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<mods:title id="2793F9FB4E6A784426AC3C0BCB9022A5">Revision of the New World and south-east Asian Vatellini (Coleoptera: Dytiscidae: Hydroporinae) and phylogenetic analysis of the tribe</mods:title>
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<taxonomicName id="699958FAC171214C6F1CF8DC81F5336B" ID-CoL="628H2" authorityName="Sharp" authorityYear="1880" box="[332,453,1811,1835]" class="Insecta" family="Dytiscidae" kingdom="Animalia" order="Coleoptera" pageId="13" pageNumber="510" phylum="Arthropoda" rank="tribe" tribe="Vatellini">VATELLINI</taxonomicName>
SHARP, 1882
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<taxonomicName id="699958FAC171214C6EF2F8F381C93313" ID-CoL="628H2" authority="Sharp, 1882b: 258" authorityName="Sharp" authorityPageNumber="258" authorityYear="1882" box="[162,505,1851,1874]" class="Insecta" family="Dytiscidae" kingdom="Animalia" order="Coleoptera" pageId="13" pageNumber="510" phylum="Arthropoda" rank="tribe" tribe="Vatellini">
Vatellini
<treatmentCitation id="2F380568C171214C6F46F8F381C93313" author="Sharp D" box="[278,505,1851,1874]" page="258" pageId="13" pageNumber="428" year="1882">
<bibRefCitation id="CA085E88C171214C6F46F8F381C93313" author="Sharp D" box="[278,505,1851,1874]" pageId="13" pageNumber="428" pagination="179 - 1003" refId="ref53527" refString="Sharp D. 1882 b. On aquatic carnivorous Coleoptera or Dytiscidae. Scientific Transactions of the Royal Dublin Society 2: 179 - 1003." type="journal article" year="1882">Sharp, 1882b: 258</bibRefCitation>
</treatmentCitation>
</taxonomicName>
(as group of Dytisci fragmentati);
<treatmentCitation id="2F380568C171214C6F32F895826B332D" author="Regimbart M" box="[354,603,1882,1904]" page="11" pageId="13" pageNumber="428" year="1895">
<bibRefCitation id="CA085E88C171214C6F32F895826B332D" author="Regimbart M" box="[354,603,1882,1904]" pageId="13" pageNumber="428" pagination="1 - 244" refId="ref53190" refString="Regimbart M. 1895. Revision des Dytiscidae et Gyrinidae d'Afrique, Madagascar et iles voisines. Memoires de la Societe Entomologique de Belgique 4: 1 - 244." type="journal article" year="1895">Régimbart, 1895: 11</bibRefCitation>
</treatmentCitation>
(new status);
<treatmentCitation id="2F380568C171214C6D03FA8D84583115" author="Zimmermann A" box="[851,1128,1346,1368]" page="124" pageId="13" pageNumber="428" year="1919">
<bibRefCitation id="CA085E88C171214C6D03FA8D84583115" author="Zimmermann A" box="[851,1128,1346,1368]" pageId="13" pageNumber="428" pagination="68 - 249" refId="ref53901" refString="Zimmermann A. 1919. Die Schwimmkafer des Deutschen Entomologischen Museums zur Berlin-Dahlem. Archiv fur Naturgeschichte 83: 68 - 249." type="journal article" year="1919">Zimmermann, 1919: 124</bibRefCitation>
</treatmentCitation>
,
<treatmentCitation id="2F380568C171214C6A22FA8D84FF3115" author="Zimmermann A" box="[1138,1231,1346,1367]" page="29" pageId="13" pageNumber="428" year="1920">
<bibRefCitation id="CA085E88C171214C6A22FA8D84FF3115" author="Zimmermann A" box="[1138,1231,1346,1367]" pageId="13" pageNumber="428" pagination="1 - 326" refId="ref53924" refString="Zimmermann A. 1920. Dytiscidae, Haliplidae, Hygrobiidae, Amphizoidae. In: Schenkling S, ed. Coleopterorum Catalogus. Berlin: Dr W. Junk, 1 - 326." type="book chapter" year="1920">1920: 29</bibRefCitation>
</treatmentCitation>
(as tribe of Hydroporinae);
<treatmentCitation id="2F380568C171214C6DEEFAAE84543134" author="Leng CW" box="[958,1124,1376,1398]" page="76" pageId="13" pageNumber="428" year="1920">
<bibRefCitation id="CA085E88C171214C6DEEFAAE84543134" author="Leng CW" box="[958,1124,1376,1398]" pageId="13" pageNumber="428" refId="ref52844" refString="Leng CW. 1920. Catalogue of the Coleoptera of America north of Mexico. Mt. Vernon, NY: J. D. Sherman." type="book" year="1920">Leng, 1920: 76</bibRefCitation>
</treatmentCitation>
;
<treatmentCitation id="2F380568C171214C6A20FAAF850A3134" author="Guignot F" box="[1136,1338,1376,1398]" page="59" pageId="13" pageNumber="428" year="1959">
<bibRefCitation id="CA085E88C171214C6A20FAAF850A3134" author="Guignot F" box="[1136,1338,1376,1398]" pageId="13" pageNumber="428" pagination="1 - 316" refId="ref52557" refString="Guignot F. 1959. Revision des Hydrocanthares d'Afrique (Coleoptera Dytiscoidea), Premiere partie. Annales du Musee Royal du Congo Belge Tervuren (Belgique) (ser. 8) Sciences Zoologiques 70: 1 - 316." type="journal article" year="1959">Guignot, 1959: 59</bibRefCitation>
</treatmentCitation>
;
<treatmentCitation id="2F380568C171214C6B15FAAF84CC31D6" author="Nilsson AN &amp; Roughley RE &amp; Brancucci M" page="312" pageId="13" pageNumber="428" year="1989">
<bibRefCitation id="CA085E88C171214C6B15FAAF84CC31D6" author="Nilsson AN &amp; Roughley RE &amp; Brancucci M" pageId="13" pageNumber="428" pagination="287 - 316" refId="ref53032" refString="Nilsson AN, Roughley RE, Brancucci M. 1989. A review of the genus- and family-group names of the family Dytiscidae Leach (Coleoptera). Entomologica Scandinavica 20: 287 - 316." type="journal article" year="1989">Nilsson, Roughley &amp; Brancucci, 1989: 312</bibRefCitation>
</treatmentCitation>
;
<treatmentCitation id="2F380568C171214C6B43FAB0838831F1" author="Tremouilles ER" page="24" pageId="13" pageNumber="428" year="1995">
<bibRefCitation id="CA085E88C171214C6B43FAB0838831F1" author="Tremouilles ER" pageId="13" pageNumber="428" pagination="1 - 82" refId="ref53705" refString="Tremouilles ER. 1995. Insecta, Coleoptera, Dytiscidae. Fasciculo 1. Dytiscidae: Methlinae-Hydroporinae. Fauna de Agua Dulce de la Republica Argentina 37: 1 - 82." type="journal article" year="1995">Trémouilles, 1995: 24</bibRefCitation>
</treatmentCitation>
;
<treatmentCitation id="2F380568C171214C6D99FA51849431F1" author="Nilsson AN" box="[969,1188,1438,1460]" page="233" pageId="13" pageNumber="428" year="2001">
<bibRefCitation id="CA085E88C171214C6D99FA51849431F1" author="Nilsson AN" box="[969,1188,1438,1460]" pageId="13" pageNumber="428" pagination="1 - 395" refId="ref53015" refString="Nilsson AN. 2001. Dytiscidae. World Catalogue of Insects 3: 1 - 395." type="journal article" year="2001">Nilsson, 2001: 233</bibRefCitation>
</treatmentCitation>
;
<treatmentCitation id="2F380568C171214C6AE4FA5183F43190" author="Roughley RE &amp; Larson DJ" page="169" pageId="13" pageNumber="428" year="2001">
<bibRefCitation id="CA085E88C171214C6AE4FA5183F43190" author="Roughley RE &amp; Larson DJ" pageId="13" pageNumber="428" pagination="156 - 186" refId="ref53375" refString="Roughley RE, Larson DJ. 2001. Dytiscidae Leach, 1815. In: Arnett RH, Thomas MC, eds. American beetles, Archostemata, Myxophaga, Adephaga, Polyphaga: Staphyliniformia. Boca Raton, FL: CRC Press, 156 - 186." type="book chapter" year="2001">Roughley &amp; Larson, 2001: 169</bibRefCitation>
</treatmentCitation>
.
</treatmentCitationGroup>
</paragraph>
<paragraph id="AE262379C171214C6D6AFA1484E631B2" blockId="13.[826,1442,1346,1521]" box="[826,1238,1499,1521]" pageId="13" pageNumber="428">
Vatellinae,
<bibRefCitation id="CA085E88C171214C6DECFA1484E231B2" author="Omer-Cooper J" box="[956,1234,1499,1521]" pageId="13" pageNumber="428" pagination="249 - 260" refId="ref53085" refString="Omer-Cooper J. 1958. Dytiscidae (Coleoptera) from Nyasaland and Southern Rhodesia. IV. Vatellinae, Methlinae and Hydroporinae, Hyphydrini. Journal of the Entomological Society of South Africa 21: 249 - 260." type="journal article" year="1958">Omer-Cooper, 1958: 249</bibRefCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="E68370F2C171214F6D6AF9C583833332" lastPageId="14" lastPageNumber="429" pageId="13" pageNumber="428" type="diagnosis">
<paragraph id="AE262379C171214F6D6AF9C580D2327C" blockId="13.[826,1442,1545,1904]" lastBlockId="14.[142,758,1361,1598]" lastPageId="14" lastPageNumber="429" pageId="13" pageNumber="428">
<emphasis id="9CEDFF6BC171214C6D6AF9C5839A325D" box="[826,938,1546,1567]" italics="true" pageId="13" pageNumber="428">Diagnosis</emphasis>
: This tribe is defined as those Hydroporinae with the following combination of characters: (1) prosternal process not reaching metasternum (mesocoxae contiguous) (
<figureCitation id="36A23FFCC171214C6D81F9AA84643239" box="[977,1108,1637,1659]" captionStart="Figures 1822" captionStartId="6.[142,232,1481,1500]" captionTargetBox="[301,1262,194,1448]" captionTargetId="graphics-532@6.[518,1086,814,1080]" captionTargetPageId="6" captionText="Figures 1822. Hydroporinae species, morphology. 18, Hydroporus notabilis, left prothorax, left oblique aspect. 1921, Vatellus grandis; 19, left prothorax, left oblique aspect; 20, left mesosternum, mesocoxa, metasternum and metacoxa, left oblique aspect; 21, mesosternum, mesolegs, metasternum and metalegs. 22, Derovatellus lentus, mesosternum, mesolegs, metasternum and metalegs. CxI, procoxa; CxII, mesocoxa; FeI, profemur; FeII, mesofemur; Msem, mesepimeron; Mses, mesepisternum; Msst, mesosternum; Mtes, metepisternum; Mtst, metasternum; Prel, pronotal epipleuron; Prpl, propleuron; Prpo, prosternal pore; Prpr, prosternal process; Prst, prosternum; TrI, protrochanter; TrII, mesotrochanter." figureDoi="http://doi.org/10.5281/zenodo.5434984" httpUri="https://zenodo.org/record/5434984/files/figure.png" pageId="13" pageNumber="428">Figs 21, 22</figureCitation>
), (2) abdominal sternum VI with an invaginated, heavily sclerotized gland (speleum) (
<figureCitation id="36A23FFCC171214C6DEEF96D840C32FA" box="[958,1084,1698,1720]" captionStart="Figures 2837" captionStartId="9.[162,252,1795,1814]" captionTargetBox="[367,1234,487,1763]" captionTargetId="graphics-255@9.[381,1017,543,1681]" captionTargetPageId="9" captionText="Figures 2837. Vatellini species, morphology. 2830, Derovatellus lentus, speleum; 28, apical half of speleum, dorsal aspect with gland reservoirs removed; 29, dorsal aspect, dorsal surface of sternum VI, and gland reservoirs present; 30, left lateral aspect. 3137, Derovatellus species, spelea and dorsal surfaces of sterna VVI; 31, D. fasciatus; 32, D. decellei; 33, D. wewalkai; 34, D. dagombae; 35, D. nyanzae; 36, D. lugubris; 37, D. bisignatus." figureDoi="http://doi.org/10.5281/zenodo.5434988" httpUri="https://zenodo.org/record/5434988/files/figure.png" pageId="13" pageNumber="428">Figs 2830</figureCitation>
) and (3) female with apically expanded and broadly truncated process at apex of spermatheca (e.g.
<figureCitation id="36A23FFCC171214C6A42F92F845632B4" box="[1042,1126,1760,1782]" captionStart="Figures 5761" captionStartId="12.[142,232,1402,1421]" captionTargetBox="[298,1262,196,1365]" captionTargetId="graphics-275@12.[298,1263,196,1369]" captionTargetPageId="12" captionText="Figures 5761. Derovatellus bruchi. 5759, male genitalia; 57, median lobe, right lateral aspect; 58, median lobe, ventral aspect; 59, right lateral lobe, lateral aspect; 6061, female genitalia; 60, ventral aspect; 61, spermatheca and associated structures, dorsal aspect. BC, bursa copulatrix; FC, fertilization sac sclerite; FD, fertilization duct; GC, gonocoxa; GS, gonocoxosternite; ID, intermediate duct; RA, rami; RE, receptacle; SD, spermathecal duct; SP, spermatheca; TP, truncate spermathecal process." figureDoi="http://doi.org/10.5281/zenodo.5434994" httpUri="https://zenodo.org/record/5434994/files/figure.png" pageId="13" pageNumber="428">Figs 60</figureCitation>
,
<figureCitation id="36A23FFCC171214C6A27F92F849332B4" box="[1143,1187,1760,1782]" captionStart="Figures 182188" captionStartId="56.[142,232,1526,1545]" captionTargetBox="[302,1260,197,1491]" captionTargetId="graphics-1130@56.[314,1239,698,1492]" captionTargetPageId="56" captionText="Figures 182188. Vatellus haagi. 182185, male genitalia; 182, median lobe, right lateral aspect; 183, median lobe, ventral aspect; 184, right lateral lobe, lateral aspect; 185, apex of median lobe, ventral aspect; 186188, female genitalia; 186, ventral aspect; 187, bursa copulatrix, left lateral aspect; 188, spermatheca and associated structures, dorsal aspect; BC, bursa copulatrix; FC, fertilization sac sclerite; FD, fertilization duct; GC, gonocoxa; GS, gonocoxosternite; ID, intermediate duct; RA, rami; RE, receptacle; SD, spermathecal duct; SP, spermatheca; TP, truncate spermathecal process." figureDoi="http://doi.org/10.5281/zenodo.5435048" httpUri="https://zenodo.org/record/5435048/files/figure.png" pageId="13" pageNumber="428">186</figureCitation>
). The extinct species,
<taxonomicName id="699958FAC171214C6D6AF93184673351" box="[826,1111,1790,1811]" class="Insecta" family="Dytiscidae" genus="Calicovatellus" kingdom="Animalia" order="Coleoptera" pageId="13" pageNumber="428" phylum="Arthropoda" rank="species" species="petrodytes">
<emphasis id="9CEDFF6BC171214C6D6AF93184673351" box="[826,1111,1790,1811]" italics="true" pageId="13" pageNumber="428">Calicovatellus petrodytes</emphasis>
</taxonomicName>
, was proposed as the sisterspecies to the remaining members of the tribe as the metepisternum reaches the mesocoxal cavities (
<bibRefCitation id="CA085E88C171214C6B0BF8F383C93332" author="Miller KB &amp; Lubkin SH" pageId="13" pageNumber="428" pagination="890 - 894" refId="ref52906" refString="Miller KB, Lubkin SH. 2001. Calicovatellus petrodytes, a new genus and species of primitive vatelline diving beetle (Coleoptera: Dytsicidae: Hydroporinae: Vatellini) from the Miocene Barstow Formation, southern California, USA. Journal of Paleontology 75: 890 - 894." type="journal article" year="2001">Miller &amp; Lubkin, 2001</bibRefCitation>
). A speleum and a triangular spermathecal process have not been observed in
<taxonomicName id="699958FAC172214F6CDBFA9E80FC31C7" authorityName="Miller &amp; Lubkin" authorityYear="2001" class="Insecta" family="Dytiscidae" genus="Calicovatellus" kingdom="Animalia" order="Coleoptera" pageId="14" pageNumber="429" phylum="Arthropoda" rank="genus">
<emphasis id="9CEDFF6BC172214F6CDBFA9E80FC31C7" italics="true" pageId="14" pageNumber="429">Calicovatellus</emphasis>
</taxonomicName>
, but the prosternal process does not reach the metasternum and the general body shape is characteristic of other members of the tribe. Extant species all possess a metepisternum with its medial apex covered by a lobe of the mesepimeron (the mesepimeron and the metasternum meet along the mesocoxal cavity).
</paragraph>
<caption id="FAE673F1C172214F6EDEFB08813630BA" ID-DOI="http://doi.org/10.5281/zenodo.5434998" ID-Zenodo-Dep="5434998" httpUri="https://zenodo.org/record/5434998/files/figure.png" pageId="14" pageNumber="429" startId="14.[142,232,1223,1242]" targetBox="[314,1250,197,1188]" targetPageId="14">
<paragraph id="AE262379C172214F6EDEFB08813630BA" blockId="14.[142,1422,1223,1272]" pageId="14" pageNumber="429">
<emphasis id="9CEDFF6BC172214F6EDEFB0881043098" bold="true" box="[142,308,1223,1242]" pageId="14" pageNumber="429">Figures 6667.</emphasis>
<taxonomicName id="699958FAC172214F6F6FFB08821C3098" authorityName="Wehncke" authorityYear="1883" box="[319,556,1223,1242]" class="Insecta" family="Dytiscidae" genus="Derovatellus" kingdom="Animalia" order="Coleoptera" pageId="14" pageNumber="429" phylum="Arthropoda" rank="species" species="orientalis">
<emphasis id="9CEDFF6BC172214F6F6FFB08821C3098" box="[319,556,1223,1242]" italics="true" pageId="14" pageNumber="429">Derovatellus orientalis</emphasis>
</taxonomicName>
. 66, speleum and abdominal sterna V, VI, dorsal aspect; 67, female genitalia, ventral aspect.
</paragraph>
</caption>
<paragraph id="AE262379C172214F6EDEF9A983833332" blockId="14.[142,758,1637,1904]" lastBlockId="14.[806,1423,1361,1904]" pageId="14" pageNumber="429">
<emphasis id="9CEDFF6BC172214F6EDEF9A981503238" box="[142,352,1637,1659]" italics="true" pageId="14" pageNumber="429">Taxonomic history</emphasis>
: This taxon was first erected as a group in
<bibRefCitation id="CA085E88C172214F6EACF94B818232D8" author="Sharp D" box="[252,434,1668,1690]" pageId="14" pageNumber="429" pagination="179 - 1003" refId="ref53527" refString="Sharp D. 1882 b. On aquatic carnivorous Coleoptera or Dytiscidae. Scientific Transactions of the Royal Dublin Society 2: 179 - 1003." type="journal article" year="1882">Sharps (1882b)</bibRefCitation>
Dytisci fragmentati based on the separation of the metepisternum from the mesocoxal cavities (at least externally). The tribe was placed in the Hydroporinae by subsequent authors (
<bibRefCitation id="CA085E88C172214F6EC5F93181493351" author="Zimmermann A" box="[149,377,1790,1812]" pageId="14" pageNumber="429" pagination="1 - 326" refId="ref53924" refString="Zimmermann A. 1920. Dytiscidae, Haliplidae, Hygrobiidae, Amphizoidae. In: Schenkling S, ed. Coleopterorum Catalogus. Berlin: Dr W. Junk, 1 - 326." type="book chapter" year="1920">Zimmermann, 1920</bibRefCitation>
;
<bibRefCitation id="CA085E88C172214F6FD5F93182B03351" author="Balfour-Browne F" box="[389,640,1790,1812]" pageId="14" pageNumber="429" refId="ref51752" refString="Balfour-Browne F. 1940. British water beetles, Vol. 1. London: Ray Society." type="book" year="1940">Balfour-Browne, 1940</bibRefCitation>
;
<bibRefCitation id="CA085E88C172214F6CDCF93180F83371" author="Crowson RA" pageId="14" pageNumber="429" refId="ref52246" refString="Crowson RA. 1955. The natural classification of the families of Coleoptera. London: N. Lloyd." type="book" year="1955">Crowson, 1955</bibRefCitation>
).
<bibRefCitation id="CA085E88C172214F6EB0F8D281FC3371" author="Omer-Cooper J" box="[224,460,1821,1843]" pageId="14" pageNumber="429" pagination="249 - 260" refId="ref53085" refString="Omer-Cooper J. 1958. Dytiscidae (Coleoptera) from Nyasaland and Southern Rhodesia. IV. Vatellinae, Methlinae and Hydroporinae, Hyphydrini. Journal of the Entomological Society of South Africa 21: 249 - 260." type="journal article" year="1958">Omer-Cooper (1958)</bibRefCitation>
recognized the group at the rank of subfamily, but this has not been generally followed. The phylogenetic position of the group nested within the Hydroporinae was supported by
<bibRefCitation id="CA085E88C172214F6D76FABF838D31C7" author="Wolfe GW" box="[806,957,1391,1414]" pageId="14" pageNumber="429" pagination="132 - 155" refId="ref53771" refString="Wolfe GW. 1985. A phylogenetic analysis of plesiotypic hydroporine lineages with an emphasis on Laccornis des Gozis (Coleoptera: Dytiscidae). Proceedings of the Academy of Natural Sciences of Philadelphia 137: 132 - 155." type="journal article" year="1985">Wolfes (1985</bibRefCitation>
,
<bibRefCitation id="CA085E88C172214F6D98FABF843031C4" author="Wolfe GW" box="[968,1024,1392,1414]" pageId="14" pageNumber="429" pagination="327 - 344" refId="ref53811" refString="Wolfe GW. 1988. A phylogenetic investigation of Hydrovatus, Methlini and other plesiotypic hydroporines (Coleoptera: Dytiscidae). Psyche 95: 327 - 344." type="journal article" year="1988">1988</bibRefCitation>
) analyses, but relationships of this tribe to others within the Hydroporinae remains equivocal.
<bibRefCitation id="CA085E88C172214F6DF2FA62841D3181" author="Wolfe GW" box="[930,1069,1453,1475]" pageId="14" pageNumber="429" pagination="132 - 155" refId="ref53771" refString="Wolfe GW. 1985. A phylogenetic analysis of plesiotypic hydroporine lineages with an emphasis on Laccornis des Gozis (Coleoptera: Dytiscidae). Proceedings of the Academy of Natural Sciences of Philadelphia 137: 132 - 155." type="journal article" year="1985">Wolfe (1985</bibRefCitation>
,
<bibRefCitation id="CA085E88C172214F6A6CFA6284443181" author="Wolfe GW" box="[1084,1140,1453,1475]" pageId="14" pageNumber="429" pagination="327 - 344" refId="ref53811" refString="Wolfe GW. 1988. A phylogenetic investigation of Hydrovatus, Methlini and other plesiotypic hydroporines (Coleoptera: Dytiscidae). Psyche 95: 327 - 344." type="journal article" year="1988">1988</bibRefCitation>
) found
<taxonomicName id="699958FAC172214F6A81FA61855D3181" baseAuthorityName="Spangler" baseAuthorityYear="1963" box="[1233,1389,1454,1475]" class="Insecta" family="Dytiscidae" genus="Vatellus" kingdom="Animalia" order="Coleoptera" pageId="14" pageNumber="429" phylum="Arthropoda" rank="species" species="mexicanus">
<emphasis id="9CEDFF6BC172214F6A81FA61855D3181" box="[1233,1389,1454,1475]" italics="true" pageId="14" pageNumber="429">M. mexicanus</emphasis>
</taxonomicName>
to be sister to a species of
<taxonomicName id="699958FAC172214F6A13FA03848231A3" authorityName="Seidlitz" authorityYear="1887" box="[1091,1202,1484,1505]" class="Insecta" family="Dytiscidae" genus="Oreodytes" kingdom="Animalia" order="Coleoptera" pageId="14" pageNumber="429" phylum="Arthropoda" rank="genus">
<emphasis id="9CEDFF6BC172214F6A13FA03848231A3" box="[1091,1202,1484,1505]" italics="true" pageId="14" pageNumber="429">Oreodytes</emphasis>
</taxonomicName>
, but regarded this relationship as doubtful. The group was resolved with members of Hydroporini in a morphological analysis (Miller, 2001). Most recently,
<bibRefCitation id="CA085E88C172214F6AF1F9E7835E321E" author="Bistrom O &amp; Nilsson AN" pageId="14" pageNumber="429" pagination="125 - 156" refId="ref52062" refString="Bistrom O, Nilsson AN. 2003. Taxonomic revision and cladistic analysis of the genus Peschetius Guignot (Coleoptera: Dytiscidae). Aquatic Insects 25: 125 - 156." type="journal article" year="2003">Biström &amp; Nilsson (2003)</bibRefCitation>
proposed a close relationship between
<taxonomicName id="699958FAC172214F6B65F98883543238" authorityName="Sharp. The" authorityYear="1882" class="Insecta" family="Dytiscidae" genus="Derovatellus" kingdom="Animalia" order="Coleoptera" pageId="14" pageNumber="429" phylum="Arthropoda" rank="genus">
<emphasis id="9CEDFF6BC172214F6B65F98883543238" italics="true" pageId="14" pageNumber="429">Derovatellus</emphasis>
</taxonomicName>
,
<taxonomicName id="699958FAC172214F6D26F9AA84623239" authority="Guignot" authorityName="Guignot" authorityYear="1942" box="[886,1106,1637,1659]" class="Insecta" family="Dytiscidae" genus="Peschetius" kingdom="Animalia" order="Coleoptera" pageId="14" pageNumber="429" phylum="Arthropoda" rank="genus">
<emphasis id="9CEDFF6BC172214F6D26F9AA83DB3238" box="[886,1003,1637,1658]" italics="true" pageId="14" pageNumber="429">Peschetius</emphasis>
Guignot
</taxonomicName>
and
<taxonomicName id="699958FAC172214F6AC4F9A9835032D8" authority="McLeay. Prior" authorityName="McLeay. Prior" class="Insecta" family="Dytiscidae" genus="Necterosoma" kingdom="Animalia" order="Coleoptera" pageId="14" pageNumber="429" phylum="Arthropoda" rank="genus">
<emphasis id="9CEDFF6BC172214F6AC4F9A985143239" box="[1172,1316,1638,1659]" italics="true" pageId="14" pageNumber="429">Necterosoma</emphasis>
McLeay. Prior
</taxonomicName>
to this revision there were 52 species (one species with a single subspecies) recognized in five genera (one genus with two subgenera). With this revision there are 57 species in the tribe in three genera. Changes include three genus-group synonymies, eight new species, one elevation of a subspecies to species rank, and four new species-group synonymies.
</paragraph>
</subSubSection>
<subSubSection id="E68370F2C173214E6C09FF1D80CD3565" pageId="15" pageNumber="430" type="key">
<paragraph id="AE262379C173214E6C09FF1D83DB34AB" blockId="15.[178,1426,210,943]" box="[601,1003,210,234]" pageId="15" pageNumber="430">
KEY TO THE GENERA OF
<taxonomicName id="699958FAC173214E6D26FF1983DB34AB" ID-CoL="628H2" authorityName="Sharp" authorityYear="1880" box="[886,1003,214,233]" class="Insecta" family="Dytiscidae" kingdom="Animalia" order="Coleoptera" pageId="15" pageNumber="510" phylum="Arthropoda" rank="tribe" tribe="Vatellini">VATELLINI</taxonomicName>
</paragraph>
<paragraph id="AE262379C173214E6EE2FEDD80CD3565" blockId="15.[178,1426,210,943]" box="[178,253,274,295]" pageId="15" pageNumber="430">
<emphasis id="9CEDFF6BC173214E6EE2FEDD80CD3565" box="[178,253,274,295]" italics="true" pageId="15" pageNumber="430">Adults</emphasis>
</paragraph>
</subSubSection>
<subSubSection id="E68370F2C173214E6EE2FEFE85A237ED" pageId="15" pageNumber="430" type="description">
<paragraph id="AE262379C173214E6EE2FEFE85A23506" blockId="15.[178,1426,210,943]" box="[178,1426,305,325]" pageId="15" pageNumber="430">
1. Metepisternum extending to mesocoxal cavity externally...............
<taxonomicName id="699958FAC173214E6DB9FEFE85033506" authority="Miller &amp; Lubkin" authorityName="Miller &amp; Lubkin" authorityYear="2001" box="[1001,1331,305,324]" class="Insecta" family="Dytiscidae" genus="Calicovatellus" kingdom="Animalia" order="Coleoptera" pageId="15" pageNumber="430" phylum="Arthropoda" rank="genus">
<emphasis id="9CEDFF6BC173214E6DB9FEFE844D3506" box="[1001,1149,305,324]" italics="true" pageId="15" pageNumber="430">Calicovatellus</emphasis>
Miller &amp; Lubkin
</taxonomicName>
(extinct)
</paragraph>
<paragraph id="AE262379C173214E6EE2FE8085A2353D" blockId="15.[178,1426,210,943]" pageId="15" pageNumber="430">
1¢. Metepisternum apparently not extending to mesocoxal cavity externally, separated from it by a lobe of the mesepimeron (
<figureCitation id="36A23FFCC173214E6F20FEA38188353D" box="[368,440,364,383]" captionStart="Figures 1822" captionStartId="6.[142,232,1481,1500]" captionTargetBox="[301,1262,194,1448]" captionTargetId="graphics-532@6.[518,1086,814,1080]" captionTargetPageId="6" captionText="Figures 1822. Hydroporinae species, morphology. 18, Hydroporus notabilis, left prothorax, left oblique aspect. 1921, Vatellus grandis; 19, left prothorax, left oblique aspect; 20, left mesosternum, mesocoxa, metasternum and metacoxa, left oblique aspect; 21, mesosternum, mesolegs, metasternum and metalegs. 22, Derovatellus lentus, mesosternum, mesolegs, metasternum and metalegs. CxI, procoxa; CxII, mesocoxa; FeI, profemur; FeII, mesofemur; Msem, mesepimeron; Mses, mesepisternum; Msst, mesosternum; Mtes, metepisternum; Mtst, metasternum; Prel, pronotal epipleuron; Prpl, propleuron; Prpo, prosternal pore; Prpr, prosternal process; Prst, prosternum; TrI, protrochanter; TrII, mesotrochanter." figureDoi="http://doi.org/10.5281/zenodo.5434984" httpUri="https://zenodo.org/record/5434984/files/figure.png" pageId="15" pageNumber="430">Fig. 20</figureCitation>
)............................................................................ 2
</paragraph>
<paragraph id="AE262379C173214E6EE2FE4685A2366D" blockId="15.[178,1426,210,943]" pageId="15" pageNumber="430">
2. Pronotum not cordate, variously rounded, widest at or posterior to middle (e.g.
<figureCitation id="36A23FFCC173214E6A78FE46844535DE" box="[1064,1141,393,412]" captionStart="Figures 5156" captionStartId="11.[162,252,1278,1297]" captionTargetBox="[357,1221,194,1245]" captionTargetId="graphics-347@11.[372,1230,194,1245]" captionTargetPageId="11" captionText="Figures 5156. Derovatellus bruchi. 51, dorsal habitus; 52, medial portion of metacoxae; 53, left metatrochanter and metafemur, anterior aspect; 5455, tarsomeres, dorsal aspect; 54, male; 55, female, A, protarsus; B, mesotarsus; 56, speleum and abdominal sterna V, VI, dorsal aspect." figureDoi="http://doi.org/10.5281/zenodo.5434992" httpUri="https://zenodo.org/record/5434992/files/figure.png" pageId="15" pageNumber="430">Figs 51</figureCitation>
,
<figureCitation id="36A23FFCC173214E6AD2FE4684AD35DE" box="[1154,1181,393,412]" captionStart="Figures 6872" captionStartId="16.[142,232,1314,1333]" captionTargetBox="[407,1155,196,1281]" captionTargetId="graphics-304@16.[412,1155,196,1281]" captionTargetPageId="16" captionText="Figures 6872. Derovatellus spangleri. 68, dorsal habitus; 69, speleum and abdominal sterna V, VI, dorsal aspect 7072, male genitalia; 70, median lobe, right lateral aspect; 71, median lobe, ventral aspect; 72, right lateral lobe, lateral aspect." figureDoi="http://doi.org/10.5281/zenodo.5435000" httpUri="https://zenodo.org/record/5435000/files/figure.png" pageId="15" pageNumber="430">68</figureCitation>
); metacoxal lines moderately approximated throughout length, not or only slightly divergent anteriorly (e.g.
<figureCitation id="36A23FFCC173214E6A38FE68848635F8" box="[1128,1206,423,442]" captionStart="Figures 5156" captionStartId="11.[162,252,1278,1297]" captionTargetBox="[357,1221,194,1245]" captionTargetId="graphics-347@11.[372,1230,194,1245]" captionTargetPageId="11" captionText="Figures 5156. Derovatellus bruchi. 51, dorsal habitus; 52, medial portion of metacoxae; 53, left metatrochanter and metafemur, anterior aspect; 5455, tarsomeres, dorsal aspect; 54, male; 55, female, A, protarsus; B, mesotarsus; 56, speleum and abdominal sterna V, VI, dorsal aspect." figureDoi="http://doi.org/10.5281/zenodo.5434992" httpUri="https://zenodo.org/record/5434992/files/figure.png" pageId="15" pageNumber="430">Figs 52</figureCitation>
,
<figureCitation id="36A23FFCC173214E6A91FE6884EC35F8" box="[1217,1244,423,442]" captionStart="Figures 96101" captionStartId="26.[142,232,1301,1320]" captionTargetBox="[349,1215,195,1268]" captionTargetId="graphics-277@26.[356,1190,195,1268]" captionTargetPageId="26" captionText="Figures 96101. Derovatellus lentus. 96, dorsal habitus; 97, medial portion of metacoxae; 98, left metatrochanter and metafemur, anterior aspect; 99100, tarsomeres, dorsal aspect; 99, male; 100, female, A, protarsus; B, mesotarsus; 101, speleum and abdominal sterna V, VI, dorsal aspect." figureDoi="http://doi.org/10.5281/zenodo.5435016" httpUri="https://zenodo.org/record/5435016/files/figure.png" pageId="15" pageNumber="430">97</figureCitation>
); metatrochanter with ventral (posterior) margin evenly curved, not emarginate and without prominent basal, circular lobe (e.g.
<figureCitation id="36A23FFCC173214E6E85FE2E811335B6" box="[213,291,481,500]" captionStart="Figures 5156" captionStartId="11.[162,252,1278,1297]" captionTargetBox="[357,1221,194,1245]" captionTargetId="graphics-347@11.[372,1230,194,1245]" captionTargetPageId="11" captionText="Figures 5156. Derovatellus bruchi. 51, dorsal habitus; 52, medial portion of metacoxae; 53, left metatrochanter and metafemur, anterior aspect; 5455, tarsomeres, dorsal aspect; 54, male; 55, female, A, protarsus; B, mesotarsus; 56, speleum and abdominal sterna V, VI, dorsal aspect." figureDoi="http://doi.org/10.5281/zenodo.5434992" httpUri="https://zenodo.org/record/5434992/files/figure.png" pageId="15" pageNumber="430">Figs 53</figureCitation>
,
<figureCitation id="36A23FFCC173214E6F7DFE2E817835B6" box="[301,328,481,500]" captionStart="Figures 96101" captionStartId="26.[142,232,1301,1320]" captionTargetBox="[349,1215,195,1268]" captionTargetId="graphics-277@26.[356,1190,195,1268]" captionTargetPageId="26" captionText="Figures 96101. Derovatellus lentus. 96, dorsal habitus; 97, medial portion of metacoxae; 98, left metatrochanter and metafemur, anterior aspect; 99100, tarsomeres, dorsal aspect; 99, male; 100, female, A, protarsus; B, mesotarsus; 101, speleum and abdominal sterna V, VI, dorsal aspect." figureDoi="http://doi.org/10.5281/zenodo.5435016" httpUri="https://zenodo.org/record/5435016/files/figure.png" pageId="15" pageNumber="430">98</figureCitation>
); size smaller, TL = 3.05.0 mm; male lateral lobes not basally extended, not fused ventrally (e.g.
<figureCitation id="36A23FFCC173214E6B10FE2E85BE35B6" box="[1344,1422,481,500]" captionStart="Figures 5761" captionStartId="12.[142,232,1402,1421]" captionTargetBox="[298,1262,196,1365]" captionTargetId="graphics-275@12.[298,1263,196,1369]" captionTargetPageId="12" captionText="Figures 5761. Derovatellus bruchi. 5759, male genitalia; 57, median lobe, right lateral aspect; 58, median lobe, ventral aspect; 59, right lateral lobe, lateral aspect; 6061, female genitalia; 60, ventral aspect; 61, spermatheca and associated structures, dorsal aspect. BC, bursa copulatrix; FC, fertilization sac sclerite; FD, fertilization duct; GC, gonocoxa; GS, gonocoxosternite; ID, intermediate duct; RA, rami; RE, receptacle; SD, spermathecal duct; SP, spermatheca; TP, truncate spermathecal process." figureDoi="http://doi.org/10.5281/zenodo.5434994" httpUri="https://zenodo.org/record/5434994/files/figure.png" pageId="15" pageNumber="430">Figs 59</figureCitation>
,
<figureCitation id="36A23FFCC173214E6E85FE3080CC3650" box="[213,252,511,530]" captionStart="Figures 102105" captionStartId="27.[162,252,1318,1337]" captionTargetBox="[321,1280,200,1284]" captionTargetId="graphics-259@27.[321,1283,198,1285]" captionTargetPageId="27" captionText="Figures 102105. Derovatellus lentus. 102104, male genitalia; 102, median lobe, ventral aspect; 103, median lobe, right lateral aspect; 104, right lateral lobe, lateral aspect; 105, female genitalia, ventral aspect." figureDoi="http://doi.org/10.5281/zenodo.5435018" httpUri="https://zenodo.org/record/5435018/files/figure.png" pageId="15" pageNumber="430">104</figureCitation>
); female spermatheca elongate, tubular, medially angulate (e.g.
<figureCitation id="36A23FFCC173214E6DF7FE3083C53650" box="[935,1013,511,530]" captionStart="Figures 5761" captionStartId="12.[142,232,1402,1421]" captionTargetBox="[298,1262,196,1365]" captionTargetId="graphics-275@12.[298,1263,196,1369]" captionTargetPageId="12" captionText="Figures 5761. Derovatellus bruchi. 5759, male genitalia; 57, median lobe, right lateral aspect; 58, median lobe, ventral aspect; 59, right lateral lobe, lateral aspect; 6061, female genitalia; 60, ventral aspect; 61, spermatheca and associated structures, dorsal aspect. BC, bursa copulatrix; FC, fertilization sac sclerite; FD, fertilization duct; GC, gonocoxa; GS, gonocoxosternite; ID, intermediate duct; RA, rami; RE, receptacle; SD, spermathecal duct; SP, spermatheca; TP, truncate spermathecal process." figureDoi="http://doi.org/10.5281/zenodo.5434994" httpUri="https://zenodo.org/record/5434994/files/figure.png" pageId="15" pageNumber="430">Figs 60</figureCitation>
,
<figureCitation id="36A23FFCC173214E6A51FE3084183650" box="[1025,1064,511,530]" captionStart="Figures 102105" captionStartId="27.[162,252,1318,1337]" captionTargetBox="[321,1280,200,1284]" captionTargetId="graphics-259@27.[321,1283,198,1285]" captionTargetPageId="27" captionText="Figures 102105. Derovatellus lentus. 102104, male genitalia; 102, median lobe, ventral aspect; 103, median lobe, right lateral aspect; 104, right lateral lobe, lateral aspect; 105, female genitalia, ventral aspect." figureDoi="http://doi.org/10.5281/zenodo.5435018" httpUri="https://zenodo.org/record/5435018/files/figure.png" pageId="15" pageNumber="430">105</figureCitation>
); apical margin of ventral apex of orifice of speleum not lobed.........................................................
<taxonomicName id="699958FAC173214E6A97FDD385A2366D" authority="Sharp" authorityName="Sharp. The" authorityYear="1882" box="[1223,1426,540,559]" class="Insecta" family="Dytiscidae" genus="Derovatellus" kingdom="Animalia" order="Coleoptera" pageId="15" pageNumber="430" phylum="Arthropoda" rank="genus">
<emphasis id="9CEDFF6BC173214E6A97FDD3857A366D" box="[1223,1354,540,559]" italics="true" pageId="15" pageNumber="430">Derovatellus</emphasis>
Sharp
</taxonomicName>
</paragraph>
<paragraph id="AE262379C173214E6EE2FDF685A236BE" blockId="15.[178,1426,210,943]" pageId="15" pageNumber="430">
2¢. Pronotum variously cordate, widest anterior to middle (e.g.
<figureCitation id="36A23FFCC173214E6D1FFDF683B7360E" box="[847,903,569,588]" captionStart="Figure 1" captionStartId="1.[162,240,1777,1796]" captionText="Figure 1. Vatellus perforatus, dorsal habitus." pageId="15" pageNumber="430">Fig. 1</figureCitation>
); metacoxal lines generally closely approximated posteriorly, strongly divergent anteriorly (e.g.
<figureCitation id="36A23FFCC173214E6C92FD9883273628" box="[706,791,599,618]" captionStart="Figures 174181" captionStartId="55.[162,252,1397,1416]" captionTargetBox="[322,1282,197,1364]" captionTargetId="graphics-225@55.[336,1260,197,1365]" captionTargetPageId="55" captionText="Figures 174181. Vatellus haagi. 174, dorsal habitus; 175, elytral sculpture in area indicated on habitus by dotted square; 176, medial portion of metacoxae; 177, metatrochanter and metafemur, anterior aspect; 178179, tarsomeres, dorsal aspect; 178, male; 179, female, A, protarsus; B, mesotarsus; 180, sternum VI, ventral aspect; 181, speleum abdominal sterna V, VI, dorsal aspect." figureDoi="http://doi.org/10.5281/zenodo.5435046" httpUri="https://zenodo.org/record/5435046/files/figure.png" pageId="15" pageNumber="430">Fig. 176</figureCitation>
); ventral (posterior) margin of metatrochanter with prominent medial emargination (e.g.
<figureCitation id="36A23FFCC173214E6C7DFDBB828E36C5" box="[557,702,628,647]" captionStart="Figures 267273" captionStartId="76.[142,232,1732,1751]" captionTargetBox="[301,1263,195,1698]" captionTargetId="graphics-80@76.[301,1263,195,1699]" captionTargetPageId="76" captionText="Figures 267273. Vatellus grandis. 267268, metatrochanter and metafemur, anterior aspect; 267, in flexion; 268, in extension; 269271, male genitalia; 269, median lobe, right lateral aspect; 270, median lobe, ventral aspect; 271, right lateral lobe, lateral aspect; 272273, female genitalia; 272, ventral aspect; 273, spermatheca and associated structures, dorsal aspect." figureDoi="http://doi.org/10.5281/zenodo.5435074" httpUri="https://zenodo.org/record/5435074/files/figure.png" pageId="15" pageNumber="430">Figs 267, 268</figureCitation>
); metatrochanter with prominent basal, circular lobe that extends medially over surface of metacoxa with leg in anterior position (
<figureCitation id="36A23FFCC173214E6DD2FD5E842236E6" box="[898,1042,657,676]" captionStart="Figures 267273" captionStartId="76.[142,232,1732,1751]" captionTargetBox="[301,1263,195,1698]" captionTargetId="graphics-80@76.[301,1263,195,1699]" captionTargetPageId="76" captionText="Figures 267273. Vatellus grandis. 267268, metatrochanter and metafemur, anterior aspect; 267, in flexion; 268, in extension; 269271, male genitalia; 269, median lobe, right lateral aspect; 270, median lobe, ventral aspect; 271, right lateral lobe, lateral aspect; 272273, female genitalia; 272, ventral aspect; 273, spermatheca and associated structures, dorsal aspect." figureDoi="http://doi.org/10.5281/zenodo.5435074" httpUri="https://zenodo.org/record/5435074/files/figure.png" pageId="15" pageNumber="430">Figs 267, 268</figureCitation>
); size larger, TL = 4.57.5 mm; male lateral lobes in basal portion strongly extended and fused along ventral margin (e.g.
<figureCitation id="36A23FFCC173214E6A06FD60849B3680" box="[1110,1195,687,706]" captionStart="Figures 182188" captionStartId="56.[142,232,1526,1545]" captionTargetBox="[302,1260,197,1491]" captionTargetId="graphics-1130@56.[314,1239,698,1492]" captionTargetPageId="56" captionText="Figures 182188. Vatellus haagi. 182185, male genitalia; 182, median lobe, right lateral aspect; 183, median lobe, ventral aspect; 184, right lateral lobe, lateral aspect; 185, apex of median lobe, ventral aspect; 186188, female genitalia; 186, ventral aspect; 187, bursa copulatrix, left lateral aspect; 188, spermatheca and associated structures, dorsal aspect; BC, bursa copulatrix; FC, fertilization sac sclerite; FD, fertilization duct; GC, gonocoxa; GS, gonocoxosternite; ID, intermediate duct; RA, rami; RE, receptacle; SD, spermathecal duct; SP, spermatheca; TP, truncate spermathecal process." figureDoi="http://doi.org/10.5281/zenodo.5435048" httpUri="https://zenodo.org/record/5435048/files/figure.png" pageId="15" pageNumber="430">Fig. 184</figureCitation>
); female spermatheca globular, subspherical (e.g.
<figureCitation id="36A23FFCC173214E6C52FD038267369D" box="[514,599,716,735]" captionStart="Figures 182188" captionStartId="56.[142,232,1526,1545]" captionTargetBox="[302,1260,197,1491]" captionTargetId="graphics-1130@56.[314,1239,698,1492]" captionTargetPageId="56" captionText="Figures 182188. Vatellus haagi. 182185, male genitalia; 182, median lobe, right lateral aspect; 183, median lobe, ventral aspect; 184, right lateral lobe, lateral aspect; 185, apex of median lobe, ventral aspect; 186188, female genitalia; 186, ventral aspect; 187, bursa copulatrix, left lateral aspect; 188, spermatheca and associated structures, dorsal aspect; BC, bursa copulatrix; FC, fertilization sac sclerite; FD, fertilization duct; GC, gonocoxa; GS, gonocoxosternite; ID, intermediate duct; RA, rami; RE, receptacle; SD, spermathecal duct; SP, spermatheca; TP, truncate spermathecal process." figureDoi="http://doi.org/10.5281/zenodo.5435048" httpUri="https://zenodo.org/record/5435048/files/figure.png" pageId="15" pageNumber="430">Fig. 186</figureCitation>
); apical margin of ventral apex of orifice of speleum distinctly lobed (e.g.
<figureCitation id="36A23FFCC173214E6E85FD26811F36BE" box="[213,303,745,764]" captionStart="Figures 174181" captionStartId="55.[162,252,1397,1416]" captionTargetBox="[322,1282,197,1364]" captionTargetId="graphics-225@55.[336,1260,197,1365]" captionTargetPageId="55" captionText="Figures 174181. Vatellus haagi. 174, dorsal habitus; 175, elytral sculpture in area indicated on habitus by dotted square; 176, medial portion of metacoxae; 177, metatrochanter and metafemur, anterior aspect; 178179, tarsomeres, dorsal aspect; 178, male; 179, female, A, protarsus; B, mesotarsus; 180, sternum VI, ventral aspect; 181, speleum abdominal sterna V, VI, dorsal aspect." figureDoi="http://doi.org/10.5281/zenodo.5435046" httpUri="https://zenodo.org/record/5435046/files/figure.png" pageId="15" pageNumber="430">Figs 180</figureCitation>
,
<figureCitation id="36A23FFCC173214E6F6BFD26815236BE" box="[315,354,745,764]" captionStart="Figures 216223" captionStartId="65.[162,252,1327,1346]" captionTargetBox="[322,1282,195,1294]" captionTargetId="graphics-265@65.[339,1265,195,1293]" captionTargetPageId="65" captionText="Figures 216223. Vatellus tarsatus. 216, dorsal habitus; 217, elytral sculpture in area indicated on habitus by dotted square; 218, medial portion of metacoxae; 219, metatrochanter and metafemur, anterior aspect; 220221, tarsomeres, dorsal aspect; 220, male; 221, female, A, protarsus; B, mesotarsus; 222, sternum VI, ventral aspect; 223, speleum abdominal sterna V, VI, dorsal aspect." figureDoi="http://doi.org/10.5281/zenodo.5435058" httpUri="https://zenodo.org/record/5435058/files/figure.png" pageId="15" pageNumber="430">222</figureCitation>
).........................................................................
<taxonomicName id="699958FAC173214E6B51FD2685A236BE" authority="Aube" authorityName="Aube" authorityYear="1837" box="[1281,1426,745,764]" class="Insecta" family="Dytiscidae" genus="Vatellus" kingdom="Animalia" order="Coleoptera" pageId="15" pageNumber="430" phylum="Arthropoda" rank="genus">
<emphasis id="9CEDFF6BC173214E6B51FD26856536BE" box="[1281,1365,745,764]" italics="true" pageId="15" pageNumber="430">Vatellus</emphasis>
Aubé
</taxonomicName>
</paragraph>
<paragraph id="AE262379C173214E6EE2FCE9839E3778" blockId="15.[178,1426,210,943]" box="[178,942,805,827]" pageId="15" pageNumber="430">
<emphasis id="9CEDFF6BC173214E6EE2FCE9839E3778" box="[178,942,805,827]" italics="true" pageId="15" pageNumber="430">
Larvae (
<taxonomicName id="699958FAC173214E6F42FCEA82163778" box="[274,550,805,826]" class="Insecta" family="Dytiscidae" genus="Calicovatellus" kingdom="Animalia" order="Coleoptera" pageId="15" pageNumber="430" phylum="Arthropoda" rank="species" species="unknown">Calicovatellus unknown</taxonomicName>
) (adapted from
<bibRefCitation id="CA085E88C173214E6CB1FCEA839E3778" author="Spangler PJ" box="[737,942,805,826]" pageId="15" pageNumber="430" pagination="11 - 18" refId="ref53642" refString="Spangler PJ. 1966 b. A new species of Derovatellus from Guatemala and a description of its larva (Coleoptera: Dytiscidae). Coleopterists Bulletin 20: 11 - 18." type="journal article" year="1966">Spangler (1966b))</bibRefCitation>
</emphasis>
</paragraph>
<paragraph id="AE262379C173214E6EE2FC8B85A23736" blockId="15.[178,1426,210,943]" pageId="15" pageNumber="430">
1. Antennomeres II and III subequal in length and longer than other antennomeres; antennomere IV smallest, slightly less than half length of antennomere III..............................................
<taxonomicName id="699958FAC173214E6A97FCAE85A23736" authority="Sharp" authorityName="Sharp. The" authorityYear="1882" box="[1223,1426,865,884]" class="Insecta" family="Dytiscidae" genus="Derovatellus" kingdom="Animalia" order="Coleoptera" pageId="15" pageNumber="430" phylum="Arthropoda" rank="genus">
<emphasis id="9CEDFF6BC173214E6A97FCAE857A3736" box="[1223,1354,865,884]" italics="true" pageId="15" pageNumber="430">Derovatellus</emphasis>
Sharp
</taxonomicName>
</paragraph>
<paragraph id="AE262379C173214E6EE2FCB085A237ED" blockId="15.[178,1426,210,943]" pageId="15" pageNumber="430">
1¢. Antennomeres I and II subequal in length and longer than other antennomeres; antennomere IV smallest, about oneseventh length of antennomere III........................................................
<taxonomicName id="699958FAC173214E6B51FC5385A237ED" authority="Aube" authorityName="Aube" authorityYear="1837" box="[1281,1426,924,943]" class="Insecta" family="Dytiscidae" genus="Vatellus" kingdom="Animalia" order="Coleoptera" pageId="15" pageNumber="430" phylum="Arthropoda" rank="genus">
<emphasis id="9CEDFF6BC173214E6B51FC53856537ED" box="[1281,1365,924,943]" italics="true" pageId="15" pageNumber="430">Vatellus</emphasis>
Aubé
</taxonomicName>
</paragraph>
</subSubSection>
</treatment>
</document>