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<mods:title id="8C3E3842574F2962D338593AACBC21E7">Redescriptions of Hypogastruridae and Onychiuridae (Collembola) described by David L. Wray</mods:title>
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<paragraph id="104936862F4BFFD497BEFC4ADCF5378F" blockId="8.[151,1209,980,1039]" box="[151,1209,980,1006]" pageId="8" pageNumber="309">
<heading id="4B0181EA2F4BFFD497BEFC4ADCF5378F" bold="true" box="[151,1209,980,1006]" fontSize="11" level="1" pageId="8" pageNumber="309" reason="1">
<emphasis id="2282EA942F4BFFD497BEFC4ADCF5378F" bold="true" box="[151,1209,980,1006]" pageId="8" pageNumber="309">
<taxonomicName id="D7F64D052F4BFFD497BEFC4ADA61378F" authority="Wray, 1952" authorityName="Wray" authorityYear="1952" box="[151,557,980,1006]" class="Entognatha" family="Hypogastruridae" genus="Hypogastrura" kingdom="Animalia" order="Collembola" pageId="8" pageNumber="309" phylum="Arthropoda" rank="species" species="gami">
<emphasis id="2282EA942F4BFFD497BEFC4AD9CE378F" bold="true" box="[151,386,980,1006]" italics="true" pageId="8" pageNumber="309">Hypogastrura gami</emphasis>
(
<bibRefCitation id="74674B772F4BFFD496B8FC4ADA68378F" author="Wray" box="[401,548,980,1006]" pageId="8" pageNumber="309" refString="Wray, D. L. (1952) Some new North American Collembola. Bulletin of the Brooklyn Entomological Society, 47, 95 - 106." type="journal article" year="1952">Wray, 1952</bibRefCitation>
)
</taxonomicName>
,
<taxonomicNameLabel id="39B157EF2F4BFFD49513FC4ADAA9378F" box="[570,741,980,1006]" pageId="8" pageNumber="309">new synonym</taxonomicNameLabel>
of
<taxonomicName id="D7F64D052F4BFFD49422FC4ADCF5378F" authority="Folsom, 1916" authorityName="Folsom" authorityYear="1916" box="[779,1209,980,1006]" class="Entognatha" family="Hypogastruridae" genus="Hypogastrura" kingdom="Animalia" order="Collembola" pageId="8" pageNumber="309" phylum="Arthropoda" rank="species" species="humi">
<emphasis id="2282EA942F4BFFD49422FC4ADBB5378F" bold="true" box="[779,1017,980,1006]" italics="true" pageId="8" pageNumber="309">Hypogastrura humi</emphasis>
(
<bibRefCitation id="74674B772F4BFFD49320FC4ADCFD378F" author="Folsom" box="[1033,1201,980,1006]" pageId="8" pageNumber="309" refString="Folsom, J. W. (1916) North American collembolous insects of the subfamilies Achorutinae, Neanurinae, and Podurinae. Proceedings of the United States National Museum, 50 (No. 2134), 477 - 525. http: // dx. doi. org / 10.5479 / si. 00963801.50 - 2134.477" type="journal article" year="1916">Folsom, 1916</bibRefCitation>
)
</taxonomicName>
</emphasis>
</heading>
</paragraph>
<paragraph id="104936862F4BFFD497BEFC68D895306E" blockId="8.[151,1209,980,1039]" box="[151,217,1014,1039]" pageId="8" pageNumber="309">
<figureCitation id="88CD2A032F4BFFD497BEFC68D895306E" box="[151,217,1014,1039]" captionStart="FIGURE 5" captionStartId="9.[151,250,1390,1412]" captionTargetBox="[190,1398,530,1363]" captionTargetId="figure@9.[180,1406,519,1368]" captionTargetPageId="9" captionText="FIGURE 5. Hypogastrura gami (= H. humi). A) Chaetotaxy of head and thorax, dorsal view. B) Chaetotaxy of abdomen, dorsal view. C) Postantennal organ and anterior ocelli. D) Third and fourth antennal segments, dorsal view. E) Fore-tibiotarsus. F) Hind tibiotarsus. G) Dens and mucro, lateral view." httpUri="https://zenodo.org/record/233965/files/figure.png" pageId="8" pageNumber="309">Fig. 5</figureCitation>
</paragraph>
</subSubSection>
<subSubSection id="58EC650D2F4BFFD497BEFBA0D96330BC" pageId="8" pageNumber="309" type="reference_group">
<paragraph id="104936862F4BFFD497BEFBA0D9963035" blockId="8.[151,923,1086,1139]" box="[151,474,1086,1109]" pageId="8" pageNumber="309">
<treatmentCitationGroup id="30E611A82F4BFFD497BEFBA0D9963035" box="[151,474,1086,1109]" pageId="8" pageNumber="309">
<taxonomicName id="D7F64D052F4BFFD497BEFBA0D99A3035" ID-CoL="98GY" authority="Wray 1952: 98" authorityName="Wray" authorityPageNumber="98" authorityYear="1952" box="[151,470,1086,1109]" class="Collembola" family="Hypogastruridae" genus="Achorutes" higherTaxonomySource="CoL" kingdom="Animalia" order="Poduromorpha" pageId="8" pageNumber="309" phylum="Arthropoda" rank="species" species="gami">
<emphasis id="2282EA942F4BFFD497BEFBA0D97B3034" box="[151,311,1086,1109]" italics="true" pageId="8" pageNumber="309">Achorutes gami</emphasis>
<treatmentCitation id="915710972F4BFFD49614FBA1D99A3035" author="Wray" box="[317,470,1086,1108]" page="98" pageId="8" pageNumber="309" year="1952">
<bibRefCitation id="74674B772F4BFFD49614FBA1D9FC3035" author="Wray" box="[317,432,1086,1108]" pageId="8" pageNumber="309" refString="Wray, D. L. (1952) Some new North American Collembola. Bulletin of the Brooklyn Entomological Society, 47, 95 - 106." type="journal article" year="1952">Wray 1952</bibRefCitation>
: 98
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</taxonomicName>
.
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</paragraph>
<paragraph id="104936862F4BFFD497BEFBC0DBD73012" blockId="8.[151,923,1086,1139]" box="[151,923,1117,1139]" pageId="8" pageNumber="309">
<treatmentCitationGroup id="30E611A82F4BFFD497BEFBC0DBD73012" box="[151,923,1117,1139]" pageId="8" pageNumber="309">
<taxonomicName id="D7F64D052F4BFFD497BEFBC0DA6D3012" authority="Salmon 1964: 214" authorityName="Salmon" authorityPageNumber="214" authorityYear="1964" box="[151,545,1117,1139]" class="Entognatha" family="Hypogastruridae" genus="Hypogastrura" kingdom="Animalia" order="Collembola" pageId="8" pageNumber="309" phylum="Arthropoda" rank="species" species="gami">
<emphasis id="2282EA942F4BFFD497BEFBC0D9123012" box="[151,350,1118,1139]" italics="true" pageId="8" pageNumber="309">Hypogastrura gami</emphasis>
<treatmentCitation id="915710972F4BFFD4964DFBC3DA6D3012" author="Salmon" box="[356,545,1117,1139]" page="214" pageId="8" pageNumber="309" year="1964">
<bibRefCitation id="74674B772F4BFFD4964DFBC3D9A23012" author="Salmon" box="[356,494,1117,1139]" pageId="8" pageNumber="309" refString="Salmon, J. T. (1964) An index to the Collembola, Vol. 2. Bulletin No. 7, Royal Society of New Zealand, Wellington, 500 pp." type="book" year="1964">Salmon 1964</bibRefCitation>
: 214
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</taxonomicName>
;
<treatmentCitation id="915710972F4BFFD49502FBC3DBDA3012" author="Christiansen" box="[555,918,1117,1139]" page="116" pageId="8" pageNumber="309" year="1980">
<bibRefCitation id="74674B772F4BFFD49502FBC3DB283012" author="Christiansen" box="[555,868,1117,1139]" pageId="8" pageNumber="309" refString="Christiansen, K. A. &amp; Bellinger, P. F. (1980) The Collembola of North America north of the Rio Grande. Grinnell College, Grinnell, Iowa, 1467 pp." type="book" year="1980">Christiansen &amp; Bellinger 1980</bibRefCitation>
: 116
</treatmentCitation>
.
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</paragraph>
<paragraph id="104936862F4BFFD497BEFB01D96330BC" blockId="8.[151,1437,1183,2037]" pageId="8" pageNumber="309">
<emphasis id="2282EA942F4BFFD497BEFB01DA5630D9" bold="true" box="[151,538,1183,1208]" pageId="8" pageNumber="309">
Specimens of
<taxonomicName id="D7F64D052F4BFFD49615FB3ED9D430D9" box="[316,408,1184,1208]" class="Entognatha" family="Hypogastruridae" genus="Hypogastrura" kingdom="Animalia" order="Collembola" pageId="8" pageNumber="309" phylum="Arthropoda" rank="species" species="gami">
<emphasis id="2282EA942F4BFFD49615FB3ED9D430D9" bold="true" box="[316,408,1184,1208]" italics="true" pageId="8" pageNumber="309">A. gami</emphasis>
</taxonomicName>
examined.
</emphasis>
Fifteen juveniles,
<collectingCountry id="68E176162F4BFFD495C4FB3EDB6430D9" box="[749,808,1184,1208]" name="United States of America" pageId="8" pageNumber="309">USA</collectingCountry>
, Illinois, Magnolia,
<date id="644810462F4BFFD49324FB3EDC9D30D9" box="[1037,1233,1184,1208]" pageId="8" pageNumber="309" value="1944-05-23" valueMax="1944-05-24" valueMin="1944-05-23">2324 May 1944</date>
, ground cover, H. H. Ross, coll.
</paragraph>
</subSubSection>
<subSubSection id="58EC650D2F4BFFD497EEFB79DCEC32B4" pageId="8" pageNumber="309" type="description">
<paragraph id="104936862F4BFFD497EEFB79DA7331EE" blockId="8.[151,1437,1183,2037]" pageId="8" pageNumber="309">
<emphasis id="2282EA942F4BFFD497EEFB79D9383161" bold="true" box="[199,372,1255,1280]" pageId="8" pageNumber="309">Redescription.</emphasis>
Body length 0.580.61 mm [up to 0.75 mm]. [Color light blue splotched and specked over a yellow background.] Head without setae a0,c2 and sd5. Pronotum without setae (
<figureCitation id="88CD2A032F4BFFD49309FA92DC2D3144" box="[1056,1121,1292,1317]" captionStart="FIGURE 5" captionStartId="9.[151,250,1390,1412]" captionTargetBox="[190,1398,530,1363]" captionTargetId="figure@9.[180,1406,519,1368]" captionTargetPageId="9" captionText="FIGURE 5. Hypogastrura gami (= H. humi). A) Chaetotaxy of head and thorax, dorsal view. B) Chaetotaxy of abdomen, dorsal view. C) Postantennal organ and anterior ocelli. D) Third and fourth antennal segments, dorsal view. E) Fore-tibiotarsus. F) Hind tibiotarsus. G) Dens and mucro, lateral view." httpUri="https://zenodo.org/record/233965/files/figure.png" pageId="8" pageNumber="309">Fig. 5</figureCitation>
A). Thoracic and abdominal sensilliform setae at least twice as long as the longest body setae.(
<figureCitation id="88CD2A032F4BFFD494A6FAB1DB913129" box="[911,989,1327,1352]" captionStart="FIGURE 5" captionStartId="9.[151,250,1390,1412]" captionTargetBox="[190,1398,530,1363]" captionTargetId="figure@9.[180,1406,519,1368]" captionTargetPageId="9" captionText="FIGURE 5. Hypogastrura gami (= H. humi). A) Chaetotaxy of head and thorax, dorsal view. B) Chaetotaxy of abdomen, dorsal view. C) Postantennal organ and anterior ocelli. D) Third and fourth antennal segments, dorsal view. E) Fore-tibiotarsus. F) Hind tibiotarsus. G) Dens and mucro, lateral view." httpUri="https://zenodo.org/record/233965/files/figure.png" pageId="8" pageNumber="309">Figs. 5</figureCitation>
A, B). Setae p3 and p4 behind other psetae on mesonotum and metanotum. Seta m2 absent. M-row setae and seta p2 absent on abdominal terga IIV except m1 and p2 present on Abd. IV.
</paragraph>
<paragraph id="104936862F4BFFD497EEFA02DCEC32B4" blockId="8.[151,1437,1183,2037]" pageId="8" pageNumber="309">
Antennal segment IV with simple apical bulb, with one dorsal and two lateral sensilla, minute rod-like organite, and distinct microsensillum behind lateral sensilla (
<figureCitation id="88CD2A032F4BFFD49414FA21DB3331B9" box="[829,895,1471,1496]" captionStart="FIGURE 5" captionStartId="9.[151,250,1390,1412]" captionTargetBox="[190,1398,530,1363]" captionTargetId="figure@9.[180,1406,519,1368]" captionTargetPageId="9" captionText="FIGURE 5. Hypogastrura gami (= H. humi). A) Chaetotaxy of head and thorax, dorsal view. B) Chaetotaxy of abdomen, dorsal view. C) Postantennal organ and anterior ocelli. D) Third and fourth antennal segments, dorsal view. E) Fore-tibiotarsus. F) Hind tibiotarsus. G) Dens and mucro, lateral view." httpUri="https://zenodo.org/record/233965/files/figure.png" pageId="8" pageNumber="309">Fig. 5</figureCitation>
D); all dorsal setae sensilliform except two short typical setae mid-dorsally and apically. Small sensilla of Ant. III sense organ straight, rod-like with rounded apex, flanked by longer straight sensilla; microsensillum present (
<figureCitation id="88CD2A032F4BFFD49417F999DBCD3241" box="[830,897,1543,1568]" captionStart="FIGURE 5" captionStartId="9.[151,250,1390,1412]" captionTargetBox="[190,1398,530,1363]" captionTargetId="figure@9.[180,1406,519,1368]" captionTargetPageId="9" captionText="FIGURE 5. Hypogastrura gami (= H. humi). A) Chaetotaxy of head and thorax, dorsal view. B) Chaetotaxy of abdomen, dorsal view. C) Postantennal organ and anterior ocelli. D) Third and fourth antennal segments, dorsal view. E) Fore-tibiotarsus. F) Hind tibiotarsus. G) Dens and mucro, lateral view." httpUri="https://zenodo.org/record/233965/files/figure.png" pageId="8" pageNumber="309">Fig. 5</figureCitation>
D). Postantennal organ with four lobes, slightly wider than neighboring ocelli; posterior lobes slightly larger than anterior lobes (
<figureCitation id="88CD2A032F4BFFD49303F9B2DC213224" box="[1066,1133,1580,1605]" captionStart="FIGURE 5" captionStartId="9.[151,250,1390,1412]" captionTargetBox="[190,1398,530,1363]" captionTargetId="figure@9.[180,1406,519,1368]" captionTargetPageId="9" captionText="FIGURE 5. Hypogastrura gami (= H. humi). A) Chaetotaxy of head and thorax, dorsal view. B) Chaetotaxy of abdomen, dorsal view. C) Postantennal organ and anterior ocelli. D) Third and fourth antennal segments, dorsal view. E) Fore-tibiotarsus. F) Hind tibiotarsus. G) Dens and mucro, lateral view." httpUri="https://zenodo.org/record/233965/files/figure.png" pageId="8" pageNumber="309">Fig. 5</figureCitation>
C). Tibiotarsi I, II, III with 19, 19, 18 setae, respectively; fore and middle tibiotarsi with three clavate tenent hairs (A1, A2, B2) (
<figureCitation id="88CD2A032F4BFFD4921FF9D1DD373209" box="[1334,1403,1615,1640]" captionStart="FIGURE 5" captionStartId="9.[151,250,1390,1412]" captionTargetBox="[190,1398,530,1363]" captionTargetId="figure@9.[180,1406,519,1368]" captionTargetPageId="9" captionText="FIGURE 5. Hypogastrura gami (= H. humi). A) Chaetotaxy of head and thorax, dorsal view. B) Chaetotaxy of abdomen, dorsal view. C) Postantennal organ and anterior ocelli. D) Third and fourth antennal segments, dorsal view. E) Fore-tibiotarsus. F) Hind tibiotarsus. G) Dens and mucro, lateral view." httpUri="https://zenodo.org/record/233965/files/figure.png" pageId="8" pageNumber="309">Fig. 5</figureCitation>
E), tibiotarsus III with four clavate tenent hairs (A1, A2, A7, B2) (
<figureCitation id="88CD2A032F4BFFD4944BF9EADBEA32ED" box="[866,934,1652,1677]" captionStart="FIGURE 9" captionStartId="14.[151,250,1643,1665]" captionTargetBox="[180,1408,450,1606]" captionTargetId="figure@14.[177,1409,445,1622]" captionTargetPageId="14" captionText="FIGURE 9. Hypogastrura ireneae. A) Postantennal organs (PAO) on paralectotypes. B) PAO and anterior eyes, paralectotype. C) PAO and anterior eyes, lectotype. D) Third and fourth antennal segments, dorsal view. E) Fourth antennal segment, ventral view. F) Sense organ of third antennal segment. G) Labial palpus. H) Head of maxilla, lectotype, and views of lamellae from other specimens. I) Hind foot, lateral view, lectotype. J) Middle unguis, dorsal view, lectotype. K) Middle unguis, dorsal view, paralectotype. L) Left dens and mucro, lectotype. M) Right mucro, lectotype." httpUri="https://zenodo.org/record/233969/files/figure.png" pageId="8" pageNumber="309">Fig. 9</figureCitation>
F); unguis with ventral tooth, without lateral teeth; unguiculus with rounded basal lamella and short apical filament. Dens three times the length of the mucro, with five smooth setae; mucro linear, rounded at tip, with shorter rounded lamella (
<figureCitation id="88CD2A032F4BFFD49310F922DC3032B4" box="[1081,1148,1724,1749]" captionStart="FIGURE 5" captionStartId="9.[151,250,1390,1412]" captionTargetBox="[190,1398,530,1363]" captionTargetId="figure@9.[180,1406,519,1368]" captionTargetPageId="9" captionText="FIGURE 5. Hypogastrura gami (= H. humi). A) Chaetotaxy of head and thorax, dorsal view. B) Chaetotaxy of abdomen, dorsal view. C) Postantennal organ and anterior ocelli. D) Third and fourth antennal segments, dorsal view. E) Fore-tibiotarsus. F) Hind tibiotarsus. G) Dens and mucro, lateral view." httpUri="https://zenodo.org/record/233965/files/figure.png" pageId="8" pageNumber="309">Fig. 5</figureCitation>
G).
</paragraph>
</subSubSection>
<subSubSection id="58EC650D2F4BFFD597FBF941DB1234B5" lastPageId="9" lastPageNumber="310" pageId="8" pageNumber="309" type="discussion">
<paragraph id="104936862F4BFFD597FBF941DB1234B5" blockId="8.[151,1437,1183,2037]" lastBlockId="9.[151,1436,151,464]" lastPageId="9" lastPageNumber="310" pageId="8" pageNumber="309">
<emphasis id="2282EA942F4BFFD497FBF941D90A3299" bold="true" box="[210,326,1759,1784]" pageId="8" pageNumber="309">Remarks.</emphasis>
All of the
<typeStatus id="CF4D88242F4BFFD496E7F97FD9B23298" box="[462,510,1761,1785]" pageId="8" pageNumber="309">type</typeStatus>
specimens are small juveniles. Specimen lengths are very similar and guts are without contents. The pronotum lacks setae, a character apparently not previously noted for early-instar hypogastrurids. In previous studies, hypogastrurid first instars have been described as having 1+1 setae on the pronotal disc (
<bibRefCitation id="74674B772F4BFFD49614F8D2D9AD3304" author="Thibaud" box="[317,481,1868,1893]" pageId="8" pageNumber="309" refString="Thibaud, J. - M. (1967) Contribution a l'etude du developpement postembryonnaire chez les Collemboles Hypogastruridae epiges et cavernicoles (premiere note). Annales de Speleologie, 22, 167 - 198." type="journal article" year="1967">Thibaud 1967</bibRefCitation>
,
<bibRefCitation id="74674B772F4BFFD496C6F8D2DA663304" author="Thibaud" box="[495,554,1868,1893]" pageId="8" pageNumber="309" refString="Thibaud, J. - M. (1969) Contribution a l'etude du developpement postembryonnaire chez les Collemboles Hypogastruridae epiges et cavernicoles (suite). Revue d'Ecologie et de Biologie du Sol, 6, 209 - 220." type="journal article" year="1969">1969</bibRefCitation>
,
<bibRefCitation id="74674B772F4BFFD49511F8D2DA3F3305" author="Thibaud" box="[568,627,1868,1892]" pageId="8" pageNumber="309" refString="Thibaud, J. - M. (1970) Biologie et ecologie des Collemboles Hypogastruridae edaphiques et cavernicoles. These de Doctorat d'Etat es Sciences Naturelles, Faculte des Sciences de Paris, Editions du Museum, Paris, 201 pp." type="book" year="1970">1970</bibRefCitation>
,
<bibRefCitation id="74674B772F4BFFD495A8F8D2DB543305" author="Weiner" box="[641,792,1868,1893]" pageId="8" pageNumber="309" refString="Weiner, W. M. (1989) Morphological changes during postembryonal development in Ceratophysella armata (Gisin, 1949). In: Dallai, R. (Ed.), Third International Seminar on Apterygota. University of Siena, Siena, Italy, pp. 47 - 97." type="book chapter" year="1989">Weiner 1989</bibRefCitation>
). Length of these
<taxonomicName id="D7F64D052F4BFFD494C5F8D3DC063305" box="[1004,1098,1869,1892]" class="Entognatha" family="Hypogastruridae" genus="Hypogastrura" kingdom="Animalia" order="Collembola" pageId="8" pageNumber="309" phylum="Arthropoda" rank="species" species="gami">
<emphasis id="2282EA942F4BFFD494C5F8D3DC063305" box="[1004,1098,1869,1892]" italics="true" pageId="8" pageNumber="309">H. gami</emphasis>
</taxonomicName>
juveniles is greater than that reported by
<bibRefCitation id="74674B772F4BFFD49634F8F1D9F333E9" author="Weiner" box="[285,447,1903,1928]" pageId="8" pageNumber="309" refString="Weiner, W. M. (1989) Morphological changes during postembryonal development in Ceratophysella armata (Gisin, 1949). In: Dallai, R. (Ed.), Third International Seminar on Apterygota. University of Siena, Siena, Italy, pp. 47 - 97." type="book chapter" year="1989">Weiner (1989)</bibRefCitation>
for the first and second instars (prelarvae, stages I and II) of
<taxonomicName id="D7F64D052F4BFFD4934EF8F1D8AA33CC" authority="Gisin" authorityName="Gisin" class="Entognatha" family="Hypogastruridae" genus="Ceratophysella" kingdom="Animalia" order="Collembola" pageId="8" pageNumber="309" phylum="Arthropoda" rank="species" species="monstruosa">
<emphasis id="2282EA942F4BFFD4934EF8F1DDD033E9" box="[1127,1436,1903,1928]" italics="true" pageId="8" pageNumber="309">Ceratophysella monstruosa</emphasis>
(Gisin)
</taxonomicName>
(=
<taxonomicName id="D7F64D052F4BFFD49626F80BDA2133CC" authority="Becker, 1905" authorityName="Becker" authorityYear="1905" box="[271,621,1940,1965]" class="Entognatha" family="Hypogastruridae" genus="Ceratophysella" kingdom="Animalia" order="Collembola" pageId="8" pageNumber="309" phylum="Arthropoda" rank="species" species="mosquensis">
<emphasis id="2282EA942F4BFFD49626F80BD9FD33CD" box="[271,433,1941,1964]" italics="true" pageId="8" pageNumber="309">C. mosquensis</emphasis>
<bibRefCitation id="74674B772F4BFFD49690F80ADA2133CC" author="Becker" box="[441,621,1940,1965]" pageId="8" pageNumber="309" refString="Becker, E. G. (1905) Novyje dannyje po faune Collembola Moskovskoj guberniji, v castnosti jeja juznoj okrajiny. Izvestiya Imperatorskago Obshchestva Lyubitelej Estestvoznaniya, 98, 85 - 100." type="journal article" year="1905">(Becker, 1905))</bibRefCitation>
</taxonomicName>
, but close to that of the “larva I” (third instar). In
<taxonomicName id="D7F64D052F4BFFD4938DF80BD89433B1" authority="Agren, 1904" authorityName="Agren" authorityYear="1904" class="Entognatha" family="Hypogastruridae" genus="Ceratophysella" kingdom="Animalia" order="Collembola" pageId="8" pageNumber="309" phylum="Arthropoda" rank="species" species="bengtssoni">
<emphasis id="2282EA942F4BFFD4938DF80BDD7233CC" box="[1188,1342,1940,1965]" italics="true" pageId="8" pageNumber="309">C. bengtssoni</emphasis>
(
<bibRefCitation id="74674B772F4BFFD49264F80AD89C33B1" author="Agren" pageId="8" pageNumber="309" refString="Agren, H. (1904) Lapplandische Collembola. Arkiv for Zoologi, 2, 1 - 30." type="journal article" year="1904">Ågren, 1904</bibRefCitation>
)
</taxonomicName>
instars I, II, III have 0, 3, 6 sensilla on Ant. IV, respectively (
<bibRefCitation id="74674B772F4BFFD49456F826DC5333B0" author="Thibaud" box="[895,1055,1976,2001]" pageId="8" pageNumber="309" refString="Thibaud, J. - M. (1967) Contribution a l'etude du developpement postembryonnaire chez les Collemboles Hypogastruridae epiges et cavernicoles (premiere note). Annales de Speleologie, 22, 167 - 198." type="journal article" year="1967">Thibaud 1967</bibRefCitation>
,
<bibRefCitation id="74674B772F4BFFD49303F826DC2A33B1" author="Thibaud" box="[1066,1126,1976,2000]" pageId="8" pageNumber="309" refString="Thibaud, J. - M. (1970) Biologie et ecologie des Collemboles Hypogastruridae edaphiques et cavernicoles. These de Doctorat d'Etat es Sciences Naturelles, Faculte des Sciences de Paris, Editions du Museum, Paris, 201 pp." type="book" year="1970">1970</bibRefCitation>
). The
<taxonomicName id="D7F64D052F4BFFD49383F827DD4833B1" box="[1194,1284,1977,2000]" class="Entognatha" family="Hypogastruridae" genus="Hypogastrura" kingdom="Animalia" order="Collembola" pageId="8" pageNumber="309" phylum="Arthropoda" rank="species" species="gami">
<emphasis id="2282EA942F4BFFD49383F827DD4833B1" box="[1194,1284,1977,2000]" italics="true" pageId="8" pageNumber="309">H. gami</emphasis>
</taxonomicName>
juvenile Ant. IV (
<figureCitation id="88CD2A032F4BFFD497EDF842D9493394" box="[196,261,2012,2037]" captionStart="FIGURE 5" captionStartId="9.[151,250,1390,1412]" captionTargetBox="[190,1398,530,1363]" captionTargetId="figure@9.[180,1406,519,1368]" captionTargetPageId="9" captionText="FIGURE 5. Hypogastrura gami (= H. humi). A) Chaetotaxy of head and thorax, dorsal view. B) Chaetotaxy of abdomen, dorsal view. C) Postantennal organ and anterior ocelli. D) Third and fourth antennal segments, dorsal view. E) Fore-tibiotarsus. F) Hind tibiotarsus. G) Dens and mucro, lateral view." httpUri="https://zenodo.org/record/233965/files/figure.png" pageId="8" pageNumber="309">Fig. 5</figureCitation>
D) corresponds to the second instar of
<taxonomicName id="D7F64D052F4BFFD4959FF843DB023394" box="[694,846,2012,2037]" class="Entognatha" family="Hypogastruridae" genus="Ceratophysella" kingdom="Animalia" order="Collembola" pageId="8" pageNumber="309" phylum="Arthropoda" rank="species" species="bengtssoni">
<emphasis id="2282EA942F4BFFD4959FF843DB023394" box="[694,846,2012,2037]" italics="true" pageId="8" pageNumber="309">C. bengtssoni</emphasis>
</taxonomicName>
, but all instars of that species have at least 1+1 setae on the pronotum (
<bibRefCitation id="74674B772F4AFFD59649FF09DA4D34D1" author="Thibaud" box="[352,513,151,176]" pageId="9" pageNumber="310" refString="Thibaud, J. - M. (1967) Contribution a l'etude du developpement postembryonnaire chez les Collemboles Hypogastruridae epiges et cavernicoles (premiere note). Annales de Speleologie, 22, 167 - 198." type="journal article" year="1967">Thibaud 1967</bibRefCitation>
,
<bibRefCitation id="74674B772F4AFFD59524FF06DA0534D1" author="Thibaud" box="[525,585,152,176]" pageId="9" pageNumber="310" refString="Thibaud, J. - M. (1970) Biologie et ecologie des Collemboles Hypogastruridae edaphiques et cavernicoles. These de Doctorat d'Etat es Sciences Naturelles, Faculte des Sciences de Paris, Editions du Museum, Paris, 201 pp." type="book" year="1970">1970</bibRefCitation>
). The lack of pronotal setae in these early-instar specimens may represent a significant dichotomy in hypogastrurid developmental patterns.
</paragraph>
</subSubSection>
<subSubSection id="58EC650D2F4AFFD597EEFF7FDD6735B1" pageId="9" pageNumber="310" type="reference_group">
<paragraph id="104936862F4AFFD597EEFF7FDD6735B1" blockId="9.[151,1436,151,464]" pageId="9" pageNumber="310">
<taxonomicName id="D7F64D052F4AFFD597EEFF7FD9E83499" box="[199,420,225,248]" class="Entognatha" family="Hypogastruridae" genus="Hypogastrura" kingdom="Animalia" order="Collembola" pageId="9" pageNumber="310" phylum="Arthropoda" rank="species" species="gami">
<emphasis id="2282EA942F4AFFD597EEFF7FD9E83499" box="[199,420,225,248]" italics="true" pageId="9" pageNumber="310">Hypogastrura gami</emphasis>
</taxonomicName>
is considered here to be a junior synonym of
<taxonomicName id="D7F64D052F4AFFD59498FF7FDC8A3499" authority="Folsom, 1916" authorityName="Folsom" authorityYear="1916" box="[945,1222,223,248]" class="Entognatha" family="Hypogastruridae" genus="Hypogastrura" kingdom="Animalia" order="Collembola" pageId="9" pageNumber="310" phylum="Arthropoda" rank="species" species="humi">
<emphasis id="2282EA942F4AFFD59498FF7FDC403499" box="[945,1036,223,248]" italics="true" pageId="9" pageNumber="310">H. humi</emphasis>
(
<bibRefCitation id="74674B772F4AFFD59334FF41DCF23499" author="Folsom" box="[1053,1214,223,248]" pageId="9" pageNumber="310" refString="Folsom, J. W. (1916) North American collembolous insects of the subfamilies Achorutinae, Neanurinae, and Podurinae. Proceedings of the United States National Museum, 50 (No. 2134), 477 - 525. http: // dx. doi. org / 10.5479 / si. 00963801.50 - 2134.477" type="journal article" year="1916">Folsom, 1916</bibRefCitation>
)
</taxonomicName>
. In
<bibRefCitation id="74674B772F4AFFD593DBFF41D91C357D" author="Christiansen" pageId="9" pageNumber="310" refString="Christiansen, K. A. &amp; Bellinger, P. F. (1980) The Collembola of North America north of the Rio Grande. Grinnell College, Grinnell, Iowa, 1467 pp." type="book" year="1980">Christiansen &amp; Bellinger (1980</bibRefCitation>
,
<bibRefCitation id="74674B772F4AFFD5964BFE9AD9D7357D" author="Christiansen" box="[354,411,260,284]" pageId="9" pageNumber="310" refString="Christiansen, K. A. &amp; Bellinger, P. F. (1998) The Collembola of North America north of the Rio Grande. Revised edition. Grinnell College, Grinnell, Iowa, 1520 pp." type="book" year="1998">1998</bibRefCitation>
) these specimens will key to the two-couplet group of
<taxonomicName id="D7F64D052F4AFFD59368FE9BDCED357C" box="[1089,1185,260,285]" class="Entognatha" family="Hypogastruridae" genus="Hypogastrura" kingdom="Animalia" order="Collembola" pageId="9" pageNumber="310" phylum="Arthropoda" rank="species" species="humi">
<emphasis id="2282EA942F4AFFD59368FE9BDCED357C" box="[1089,1185,260,285]" italics="true" pageId="9" pageNumber="310">H. humi</emphasis>
</taxonomicName>
/
<taxonomicName id="D7F64D052F4AFFD59380FE9BDD46357D" box="[1193,1290,261,284]" class="Entognatha" family="Hypogastruridae" genus="Hypogastrura" kingdom="Animalia" order="Collembola" pageId="9" pageNumber="310" phylum="Arthropoda" rank="species" species="gami">
<emphasis id="2282EA942F4AFFD59380FE9BDD46357D" box="[1193,1290,261,284]" italics="true" pageId="9" pageNumber="310">H. gami</emphasis>
</taxonomicName>
/
<taxonomicName id="D7F64D052F4AFFD59238FE9BDA4B3521" authority="Christiansen &amp; Bellinger, 1980" authorityName="Christiansen &amp; Bellinger" authorityYear="1980" class="Entognatha" family="Hypogastruridae" genus="Hypogastrura" kingdom="Animalia" order="Collembola" pageId="9" pageNumber="310" phylum="Arthropoda" rank="species" species="perplexa">
<emphasis id="2282EA942F4AFFD59238FE9BDDD0357C" box="[1297,1436,260,285]" italics="true" pageId="9" pageNumber="310">H. perplexa</emphasis>
<bibRefCitation id="74674B772F4AFFD597BEFEB9DA4B3521" author="Christiansen" box="[151,519,295,320]" pageId="9" pageNumber="310" refString="Christiansen, K. A. &amp; Bellinger, P. F. (1980) The Collembola of North America north of the Rio Grande. Grinnell College, Grinnell, Iowa, 1467 pp." type="book" year="1980">Christiansen &amp; Bellinger, 1980</bibRefCitation>
</taxonomicName>
. Both
<taxonomicName id="D7F64D052F4AFFD59570FEB7DAF43521" box="[601,696,295,320]" class="Entognatha" family="Hypogastruridae" genus="Hypogastrura" kingdom="Animalia" order="Collembola" pageId="9" pageNumber="310" phylum="Arthropoda" rank="species" species="humi">
<emphasis id="2282EA942F4AFFD59570FEB7DAF43521" box="[601,696,295,320]" italics="true" pageId="9" pageNumber="310">H. humi</emphasis>
</taxonomicName>
and
<taxonomicName id="D7F64D052F4AFFD595D3FEB7DB153521" box="[762,857,297,320]" class="Entognatha" family="Hypogastruridae" genus="Hypogastrura" kingdom="Animalia" order="Collembola" pageId="9" pageNumber="310" phylum="Arthropoda" rank="species" species="gami">
<emphasis id="2282EA942F4AFFD595D3FEB7DB153521" box="[762,857,297,320]" italics="true" pageId="9" pageNumber="310">H. gami</emphasis>
</taxonomicName>
have an apically truncated or rounded mucronal lamella, whereas that of
<taxonomicName id="D7F64D052F4AFFD596EDFED3DA033504" box="[452,591,332,357]" class="Entognatha" family="Hypogastruridae" genus="Hypogastrura" kingdom="Animalia" order="Collembola" pageId="9" pageNumber="310" phylum="Arthropoda" rank="species" species="perplexa">
<emphasis id="2282EA942F4AFFD596EDFED3DA033504" box="[452,591,332,357]" italics="true" pageId="9" pageNumber="310">H. perplexa</emphasis>
</taxonomicName>
tapers apically. Both
<taxonomicName id="D7F64D052F4AFFD59477FED3DBF33504" box="[862,959,332,357]" class="Entognatha" family="Hypogastruridae" genus="Hypogastrura" kingdom="Animalia" order="Collembola" pageId="9" pageNumber="310" phylum="Arthropoda" rank="species" species="humi">
<emphasis id="2282EA942F4AFFD59477FED3DBF33504" box="[862,959,332,357]" italics="true" pageId="9" pageNumber="310">H. humi</emphasis>
</taxonomicName>
and
<taxonomicName id="D7F64D052F4AFFD5932AFED3DCC23504" box="[1027,1166,332,357]" class="Entognatha" family="Hypogastruridae" genus="Hypogastrura" kingdom="Animalia" order="Collembola" pageId="9" pageNumber="310" phylum="Arthropoda" rank="species" species="perplexa">
<emphasis id="2282EA942F4AFFD5932AFED3DCC23504" box="[1027,1166,332,357]" italics="true" pageId="9" pageNumber="310">H. perplexa</emphasis>
</taxonomicName>
have North American transcontinental distributions according to
<bibRefCitation id="74674B772F4AFFD5955AFEF1DB9935E9" author="Christiansen" box="[627,981,367,392]" pageId="9" pageNumber="310" refString="Christiansen, K. A. &amp; Bellinger, P. F. (1980) The Collembola of North America north of the Rio Grande. Grinnell College, Grinnell, Iowa, 1467 pp." type="book" year="1980">Christiansen &amp; Bellinger (1980</bibRefCitation>
,
<bibRefCitation id="74674B772F4AFFD594F6FEEEDC5635E9" author="Christiansen" box="[991,1050,368,392]" pageId="9" pageNumber="310" refString="Christiansen, K. A. &amp; Bellinger, P. F. (1998) The Collembola of North America north of the Rio Grande. Revised edition. Grinnell College, Grinnell, Iowa, 1520 pp." type="book" year="1998">1998</bibRefCitation>
), but those authors have suggested that collections of
<taxonomicName id="D7F64D052F4AFFD59644FE0BD98635CC" box="[365,458,404,429]" class="Entognatha" family="Hypogastruridae" genus="Hypogastrura" kingdom="Animalia" order="Collembola" pageId="9" pageNumber="310" phylum="Arthropoda" rank="species" species="humi">
<emphasis id="2282EA942F4AFFD59644FE0BD98635CC" box="[365,458,404,429]" italics="true" pageId="9" pageNumber="310">H. humi</emphasis>
</taxonomicName>
and
<taxonomicName id="D7F64D052F4AFFD5952CFE0BDAC035CC" box="[517,652,404,429]" class="Entognatha" family="Hypogastruridae" genus="Hypogastrura" kingdom="Animalia" order="Collembola" pageId="9" pageNumber="310" phylum="Arthropoda" rank="species" species="perplexa">
<emphasis id="2282EA942F4AFFD5952CFE0BDAC035CC" box="[517,652,404,429]" italics="true" pageId="9" pageNumber="310">H. perplexa</emphasis>
</taxonomicName>
may represent a number of species. Specimens of
<taxonomicName id="D7F64D052F4AFFD593F0FE0BDD7935CD" box="[1241,1333,405,428]" class="Entognatha" family="Hypogastruridae" genus="Hypogastrura" kingdom="Animalia" order="Collembola" pageId="9" pageNumber="310" phylum="Arthropoda" rank="species" species="gami">
<emphasis id="2282EA942F4AFFD593F0FE0BDD7935CD" box="[1241,1333,405,428]" italics="true" pageId="9" pageNumber="310">H. gami</emphasis>
</taxonomicName>
reported from other North American localities need to be reevaluated since the species is based on an early instar.
</paragraph>
</subSubSection>
</treatment>
</document>