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<document ID-DOI="10.11646/zootaxa.5249.1.3" ID-ISSN="1175-5326" ID-Zenodo-Dep="7685232" ID-ZooBank="6AD83534-E480-4CA2-99AE-785E25133F76" checkinTime="1677570912606" checkinUser="plazi" docAuthor="Eiseman, Charles S., Namayandeh, Armin, Linden, John Van Der &amp; Palmer, Michael W." docDate="2023" docId="03FB87AC8918FFB6FF4AEBF595EAFEA7" docLanguage="en" docName="zootaxa.5249.1.3.pdf" docOrigin="Zootaxa 5249 (1)" docSource="http://dx.doi.org/10.11646/zootaxa.5249.1.3" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Metriocnemus van der Wulp" docType="key" docVersion="1" lastPageNumber="57" masterDocId="FFC2FFD48917FFA6FFDDEF139076FFF4" masterDocTitle="Metriocnemus erythranthei sp. nov. and Limnophyes viribus sp. nov. (Diptera: Chironomidae: Orthocladiinae): leafminers of monkeyflowers, speedwells, and other herbaceous plants, with new observations on the ecology and habitats of other leaf-mining Chironomidae" masterLastPageNumber="68" masterPageNumber="41" pageNumber="56" updateTime="1677674756016" updateUser="juliana" zenodo-license-document="CLOSED">
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<mods:title>Metriocnemus erythranthei sp. nov. and Limnophyes viribus sp. nov. (Diptera: Chironomidae: Orthocladiinae): leafminers of monkeyflowers, speedwells, and other herbaceous plants, with new observations on the ecology and habitats of other leaf-mining Chironomidae</mods:title>
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<mods:namePart>Eiseman, Charles S.</mods:namePart>
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<mods:namePart>Namayandeh, Armin</mods:namePart>
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<mods:namePart>Linden, John Van Der</mods:namePart>
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<mods:namePart>Palmer, Michael W.</mods:namePart>
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<mods:affiliation>PBEE, Oklahoma State University, Stillwater, OK 74078, U. S. A. Current address: Department of Botany and Plant Biology, Oregon State University, Corvallis, OR 97311, U. S. A. mike. palmer @ okstate. edu; https: // orcid. org / 0000 - 0003 - 1452 - 2152 Corresponding author. arminnamayandeh @ trentu. ca</mods:affiliation>
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<mods:date>2023</mods:date>
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<subSubSection box="[151,1327,1254,1281]" pageId="15" pageNumber="56" type="nomenclature">
<paragraph blockId="15.[151,1327,1254,1281]" box="[151,1327,1254,1281]" pageId="15" pageNumber="56">
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A key to the known fourth instar larval stages of North American
<taxonomicName ID-CoL="5QZY" ID-ENA="137497" authority="van der Wulp" authorityName="van der Wulp" box="[974,1327,1254,1281]" class="Insecta" family="Chironomidae" genus="Metriocnemus" kingdom="Animalia" order="Diptera" pageId="15" pageNumber="56" phylum="Arthropoda" rank="genus">
<emphasis bold="true" box="[974,1148,1254,1280]" italics="true" pageId="15" pageNumber="56">Metriocnemus</emphasis>
van der Wulp
</taxonomicName>
</emphasis>
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1. Mentum with 4 small median teeth and 5 pairs of lateral teeth (
<bibRefCitation author="Epler, J. H." box="[830,937,1317,1339]" pageId="15" pageNumber="56" refId="ref19968" refString="Epler, J. H. (2001) Identification manual for the larval Chironomidae (Diptera) of North and South Carolina. A guide to the taxonomy of the midges of the southeastern United States including Florida. North Carolina Department of Environment and Natural Resources Division of Water Quality, St. Johns River Water Management District, Palatka, Florida, iv + 530 pp." type="book" year="2001">Epler 2001</bibRefCitation>
: page 7.86, couplet 2(1))...................................................................................................
<taxonomicName authority="Coquillett, 1904" authorityName="Coquillett" authorityYear="1904" box="[1189,1436,1346,1368]" class="Insecta" family="Chironomidae" genus="Metriocnemus" kingdom="Animalia" order="Diptera" pageId="15" pageNumber="56" phylum="Arthropoda" rank="species" species="knabi">
<emphasis box="[1189,1274,1346,1368]" italics="true" pageId="15" pageNumber="56">M. knabi</emphasis>
Coquillett, 1904
</taxonomicName>
</keyLead>
</paragraph>
<paragraph blockId="15.[151,1437,1317,2043]" box="[151,1436,1375,1397]" pageId="15" pageNumber="56">
<keyLead box="[151,1436,1375,1397]" pageId="15" pageNumber="56">- Mentum with bifid or simple median tooth and 4 to 5 pairs of lateral teeth........................................ 2</keyLead>
</paragraph>
</keyStep>
<keyStep pageId="15" pageNumber="56">
<paragraph blockId="15.[151,1437,1317,2043]" box="[151,1436,1405,1427]" pageId="15" pageNumber="56">
<keyLead box="[151,1436,1405,1427]" pageId="15" pageNumber="56">
2. Mentum with simple median tooth and 5 pairs of lateral teeth (
<bibRefCitation author="Saether, O. A." box="[826,952,1405,1427]" pageId="15" pageNumber="56" pagination="393 - 430" refId="ref21055" refString="Saether, O. A. (1989) Metriocnemus van der Wulp: a new species and a revision of species described by Meigen, Zetterstedt, Staeger, Holmgren, Lundstr ˆ m and Strenzke (Diptera: Chironomidae). Insect Systematics &amp; Evolution, 19, 393 - 430. https: // doi. org / 10.1163 / 187631289 X 00528" type="journal article" year="1989">Saether 1989</bibRefCitation>
:
<figureCitation box="[961,1073,1405,1427]" captionStart="FIGURE 12" captionStartId="22.[151,250,1943,1967]" captionTargetBox="[186,1401,181,1919]" captionTargetId="figure-27@22.[186,1401,181,1919]" captionTargetPageId="22" captionText="FIGURE 12. Secondary inhabitants in leaf mines of Metriocnemus erythranthei on Veronica sp. a., larva of M. eurynotus (upper left) and two larvae of M. erythranthei (center and upper right); b., larva of Limnophyes sp. (prob. L. viribus) (lower left) in vacated mine." figureDoi="http://doi.org/10.5281/zenodo.7685266" httpUri="https://zenodo.org/record/7685266/files/figure.png" pageId="15" pageNumber="56">Figure 12G</figureCitation>
)......
<taxonomicName authority="(Holmgren, 1869)" baseAuthorityName="Holmgren" baseAuthorityYear="1869" box="[1154,1436,1405,1427]" class="Insecta" family="Chironomidae" genus="Metriocnemus" kingdom="Animalia" order="Diptera" pageId="15" pageNumber="56" phylum="Arthropoda" rank="species" species="ursinus">
<emphasis box="[1154,1257,1405,1426]" italics="true" pageId="15" pageNumber="56">M. ursinus</emphasis>
(Holmgren, 1869)
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</paragraph>
<paragraph blockId="15.[151,1437,1317,2043]" box="[151,1436,1434,1456]" pageId="15" pageNumber="56">
<keyLead box="[151,1436,1434,1456]" pageId="15" pageNumber="56">- Mentum with bifid median tooth and 4 to 5 pairs of lateral teeth................................................ 3</keyLead>
</paragraph>
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<keyStep pageId="15" pageNumber="56">
<paragraph blockId="15.[151,1437,1317,2043]" box="[151,1436,1463,1485]" pageId="15" pageNumber="56">
<keyLead box="[151,1436,1463,1485]" pageId="15" pageNumber="56">
3. Mentum with a wide bifid median tooth and 4 pairs of lateral teeth (
<figureCitation box="[878,948,1463,1485]" captionStart="FIGURE 3" captionStartId="6.[151,250,1715,1739]" captionTargetBox="[169,1436,754,1678]" captionTargetId="figure-295@6.[151,1437,741,1691]" captionTargetPageId="6" captionText="FIGURE 3. Metriocnemus erythranthei sp. nov., pupa (ac), larval (dh). a. frontal apotome; b. abdominal tergites; c. abdominal sternites; d. habitus; e. antenna; f. labrum and premandible; g. mandible; h. mentum." figureDoi="http://doi.org/10.5281/zenodo.7685240" httpUri="https://zenodo.org/record/7685240/files/figure.png" pageId="15" pageNumber="56">Fig. 3h</figureCitation>
)......................
<taxonomicName authority="Eiseman &amp; Namayandeh &amp; Linden &amp; Palmer, 2023" authorityName="Eiseman &amp; Namayandeh &amp; Linden &amp; Palmer" authorityYear="2023" box="[1214,1354,1463,1485]" class="Insecta" family="Chironomidae" genus="Metriocnemus" kingdom="Animalia" order="Diptera" pageId="15" pageNumber="56" phylum="Arthropoda" rank="species" species="erthranthei" status="sp. nov.">
<emphasis box="[1214,1354,1463,1485]" italics="true" pageId="15" pageNumber="56">M. erthranthei</emphasis>
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<taxonomicNameLabel box="[1360,1436,1464,1485]" pageId="15" pageNumber="56" rank="species">sp. nov.</taxonomicNameLabel>
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<paragraph blockId="15.[151,1437,1317,2043]" box="[151,1436,1493,1515]" pageId="15" pageNumber="56">
<keyLead box="[151,1436,1493,1515]" pageId="15" pageNumber="56">- Mentum with narrow bifid median tooth and 5 pairs of lateral teeth.............................................. 4</keyLead>
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<paragraph blockId="15.[151,1437,1317,2043]" box="[151,1436,1522,1544]" pageId="15" pageNumber="56">
<keyLead box="[151,1436,1522,1544]" pageId="15" pageNumber="56">4. Median tooth of the mentum is comparatively small, sitting much lower than lateral teeth............................ 5</keyLead>
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<paragraph blockId="15.[151,1437,1317,2043]" box="[151,1436,1551,1573]" pageId="15" pageNumber="56">
<keyLead box="[151,1436,1551,1573]" pageId="15" pageNumber="56">- Median tooth of the mentum comparatively well-developed, sitting slightly lower or higher than lateral teeth............ 6</keyLead>
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5. Basal antennal segment no longer than wide (
<bibRefCitation author="Saether, O. A." box="[657,783,1581,1603]" pageId="15" pageNumber="56" pagination="393 - 430" refId="ref21055" refString="Saether, O. A. (1989) Metriocnemus van der Wulp: a new species and a revision of species described by Meigen, Zetterstedt, Staeger, Holmgren, Lundstr ˆ m and Strenzke (Diptera: Chironomidae). Insect Systematics &amp; Evolution, 19, 393 - 430. https: // doi. org / 10.1163 / 187631289 X 00528" type="journal article" year="1989">Saether 1989</bibRefCitation>
:
<figureCitation box="[791,901,1581,1603]" captionStart="FIGURE 12" captionStartId="22.[151,250,1943,1967]" captionTargetBox="[186,1401,181,1919]" captionTargetId="figure-27@22.[186,1401,181,1919]" captionTargetPageId="22" captionText="FIGURE 12. Secondary inhabitants in leaf mines of Metriocnemus erythranthei on Veronica sp. a., larva of M. eurynotus (upper left) and two larvae of M. erythranthei (center and upper right); b., larva of Limnophyes sp. (prob. L. viribus) (lower left) in vacated mine." figureDoi="http://doi.org/10.5281/zenodo.7685266" httpUri="https://zenodo.org/record/7685266/files/figure.png" pageId="15" pageNumber="56">Figure 12B</figureCitation>
). Labral lamella and SI simple (
<bibRefCitation author="Saether, O. A." box="[1204,1330,1581,1603]" pageId="15" pageNumber="56" pagination="393 - 430" refId="ref21055" refString="Saether, O. A. (1989) Metriocnemus van der Wulp: a new species and a revision of species described by Meigen, Zetterstedt, Staeger, Holmgren, Lundstr ˆ m and Strenzke (Diptera: Chironomidae). Insect Systematics &amp; Evolution, 19, 393 - 430. https: // doi. org / 10.1163 / 187631289 X 00528" type="journal article" year="1989">Saether 1989</bibRefCitation>
:
<figureCitation box="[1338,1425,1581,1603]" captionStart="FIGURE 12" captionStartId="22.[151,250,1943,1967]" captionTargetBox="[186,1401,181,1919]" captionTargetId="figure-27@22.[186,1401,181,1919]" captionTargetPageId="22" captionText="FIGURE 12. Secondary inhabitants in leaf mines of Metriocnemus erythranthei on Veronica sp. a., larva of M. eurynotus (upper left) and two larvae of M. erythranthei (center and upper right); b., larva of Limnophyes sp. (prob. L. viribus) (lower left) in vacated mine." figureDoi="http://doi.org/10.5281/zenodo.7685266" httpUri="https://zenodo.org/record/7685266/files/figure.png" pageId="15" pageNumber="56">Fig. 12D</figureCitation>
). Median tooth of mentum sunken (
<bibRefCitation author="Epler, J. H." box="[556,664,1610,1632]" pageId="15" pageNumber="56" refId="ref19968" refString="Epler, J. H. (2001) Identification manual for the larval Chironomidae (Diptera) of North and South Carolina. A guide to the taxonomy of the midges of the southeastern United States including Florida. North Carolina Department of Environment and Natural Resources Division of Water Quality, St. Johns River Water Management District, Palatka, Florida, iv + 530 pp." type="book" year="2001">Epler 2001</bibRefCitation>
: page 7.86, couplet 3(2);
<bibRefCitation author="Orendt, C. &amp; Bendt, Th." box="[924,1139,1610,1632]" pageId="15" pageNumber="56" refId="ref20698" refString="Orendt, C. &amp; Bendt, Th. (2021) Orthocladiinae sensu lato (Orthocladiinae, Prodiamesinae, Diamesinae, Podonominae, Buchonomyiinae, Telmatogetoninae) (Diptera: Chironomidae). Keys to Central European larvae with respect to macroscopic characters. DGL-Arbeitshilfe (DGL Tools) 1 - 2021. German Limnological Society (DGL) e. V., Essen, 140 pp." type="book" year="2021">Orendt &amp; Bendt 2021</bibRefCitation>
: page 119, couplet D7;
<bibRefCitation author="Saether, O. A." pageId="15" pageNumber="56" pagination="393 - 430" refId="ref21055" refString="Saether, O. A. (1989) Metriocnemus van der Wulp: a new species and a revision of species described by Meigen, Zetterstedt, Staeger, Holmgren, Lundstr ˆ m and Strenzke (Diptera: Chironomidae). Insect Systematics &amp; Evolution, 19, 393 - 430. https: // doi. org / 10.1163 / 187631289 X 00528" type="journal article" year="1989">Saether 1989</bibRefCitation>
:
<figureCitation box="[287,376,1639,1661]" captionStart="FIGURE 12" captionStartId="22.[151,250,1943,1967]" captionTargetBox="[186,1401,181,1919]" captionTargetId="figure-27@22.[186,1401,181,1919]" captionTargetPageId="22" captionText="FIGURE 12. Secondary inhabitants in leaf mines of Metriocnemus erythranthei on Veronica sp. a., larva of M. eurynotus (upper left) and two larvae of M. erythranthei (center and upper right); b., larva of Limnophyes sp. (prob. L. viribus) (lower left) in vacated mine." figureDoi="http://doi.org/10.5281/zenodo.7685266" httpUri="https://zenodo.org/record/7685266/files/figure.png" pageId="15" pageNumber="56">Fig. 12H</figureCitation>
). Anal tubules long and slender (
<bibRefCitation author="Saether, O. A." box="[689,816,1639,1661]" pageId="15" pageNumber="56" pagination="393 - 430" refId="ref21055" refString="Saether, O. A. (1989) Metriocnemus van der Wulp: a new species and a revision of species described by Meigen, Zetterstedt, Staeger, Holmgren, Lundstr ˆ m and Strenzke (Diptera: Chironomidae). Insect Systematics &amp; Evolution, 19, 393 - 430. https: // doi. org / 10.1163 / 187631289 X 00528" type="journal article" year="1989">Saether 1989</bibRefCitation>
:
<figureCitation box="[825,903,1639,1661]" captionStart="FIGURE 12" captionStartId="22.[151,250,1943,1967]" captionTargetBox="[186,1401,181,1919]" captionTargetId="figure-27@22.[186,1401,181,1919]" captionTargetPageId="22" captionText="FIGURE 12. Secondary inhabitants in leaf mines of Metriocnemus erythranthei on Veronica sp. a., larva of M. eurynotus (upper left) and two larvae of M. erythranthei (center and upper right); b., larva of Limnophyes sp. (prob. L. viribus) (lower left) in vacated mine." figureDoi="http://doi.org/10.5281/zenodo.7685266" httpUri="https://zenodo.org/record/7685266/files/figure.png" pageId="15" pageNumber="56">Fig. 12J</figureCitation>
).....................
<taxonomicName authority="(Meigen, 1818)" baseAuthorityName="Meigen" baseAuthorityYear="1818" box="[1172,1436,1639,1661]" class="Insecta" family="Chironomidae" genus="Metriocnemus" kingdom="Animalia" order="Diptera" pageId="15" pageNumber="56" phylum="Arthropoda" rank="species" species="fuscipes">
<emphasis box="[1172,1281,1639,1661]" italics="true" pageId="15" pageNumber="56">M. fuscipes</emphasis>
(Meigen, 1818)
</taxonomicName>
</keyLead>
</paragraph>
<paragraph blockId="15.[151,1437,1317,2043]" pageId="15" pageNumber="56">
<keyLead pageId="15" pageNumber="56">
- Basal antennal segment longer than wide (
<figureCitation box="[636,708,1669,1691]" captionStart="FIGURE 7" captionStartId="12.[151,250,1698,1722]" captionTargetBox="[163,1418,197,1668]" captionTargetId="figure-27@12.[151,1436,181,1675]" captionTargetPageId="12" captionText="FIGURE 7. Metriocnemus sp. “Oregon”, larva (ac). a. habitus; b. antenna; c. labrum and premandible; d. mandible; e. mentum; f. posterior portion of the larva." figureDoi="http://doi.org/10.5281/zenodo.7685252" httpUri="https://zenodo.org/record/7685252/files/figure.png" pageId="15" pageNumber="56">Fig. 7b</figureCitation>
). Labral lamella comb-like and SI trifid (
<figureCitation box="[1107,1177,1669,1691]" captionStart="FIGURE 5" captionStartId="9.[151,250,1656,1680]" captionTargetBox="[151,1436,345,1633]" captionTargetId="figure-97@9.[151,1436,345,1633]" captionTargetPageId="9" captionText="FIGURE 5. Metriocnemus erythranthei sp. nov., pupation on Veronica sp. (ae), adults (fg). a. pupa in leaf mine; b. same; c. pupa in stem mine; d. pupal exuviae protruding from leaf mine; e. leaf mine opened to show vacated pupation site, with larval exuviae and gelatinous mass; f. female reared from Erythranthe glabrata; g. male reared from Veronica sp." figureDoi="http://doi.org/10.5281/zenodo.7685246" httpUri="https://zenodo.org/record/7685246/files/figure.png" pageId="15" pageNumber="56">Fig. 5c</figureCitation>
). Median tooth of mentum not sunken (
<figureCitation box="[344,414,1698,1720]" captionStart="FIGURE 7" captionStartId="12.[151,250,1698,1722]" captionTargetBox="[163,1418,197,1668]" captionTargetId="figure-27@12.[151,1436,181,1675]" captionTargetPageId="12" captionText="FIGURE 7. Metriocnemus sp. “Oregon”, larva (ac). a. habitus; b. antenna; c. labrum and premandible; d. mandible; e. mentum; f. posterior portion of the larva." figureDoi="http://doi.org/10.5281/zenodo.7685252" httpUri="https://zenodo.org/record/7685252/files/figure.png" pageId="15" pageNumber="56">Fig. 7e</figureCitation>
). Anal tubules short and wide (
<figureCitation box="[712,779,1698,1720]" captionStart="FIGURE 7" captionStartId="12.[151,250,1698,1722]" captionTargetBox="[163,1418,197,1668]" captionTargetId="figure-27@12.[151,1436,181,1675]" captionTargetPageId="12" captionText="FIGURE 7. Metriocnemus sp. “Oregon”, larva (ac). a. habitus; b. antenna; c. labrum and premandible; d. mandible; e. mentum; f. posterior portion of the larva." figureDoi="http://doi.org/10.5281/zenodo.7685252" httpUri="https://zenodo.org/record/7685252/files/figure.png" pageId="15" pageNumber="56">Fig. 7f</figureCitation>
).........................................
<emphasis box="[1278,1305,1699,1720]" italics="true" pageId="15" pageNumber="56">M.</emphasis>
sp. “
<collectingRegion box="[1352,1428,1698,1719]" country="United States of America" name="Oregon" pageId="15" pageNumber="56">Oregon</collectingRegion>
</keyLead>
</paragraph>
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<paragraph blockId="15.[151,1437,1317,2043]" pageId="15" pageNumber="56">
<keyLead pageId="15" pageNumber="56">
6. Antenna 4 segmented (
<bibRefCitation author="Cranston, P. S. &amp; Judd, D. D." box="[453,682,1727,1749]" pageId="15" pageNumber="56" pagination="534 - 546" refId="ref19488" refString="Cranston, P. S. &amp; Judd, D. D. (1987) Metriocnemus (Diptera: Chironomidae): an ecological survey and description of a new species. Journal of the New York Entomological Society, 95, 534 - 546." type="journal article" year="1987">Cranston &amp; Judd 1987</bibRefCitation>
:
<figureCitation box="[692,764,1727,1749]" captionStart="FIGURE 4" captionStartId="8.[151,250,1908,1932]" captionTargetBox="[175,1412,181,1884]" captionTargetId="figure-27@8.[175,1412,181,1884]" captionTargetPageId="8" captionText="FIGURE 4. Metriocnemus erythranthei sp. nov., larvae and leaf mines on Erythranthe spp. (ad), larvae and mines on Veronica sp. (eh). a. on E. glabrata; b. on E. guttata; c. on E. moschata (larva establishing new mine); d. on E. moschata; e. larva in newly established leaf mine; f. larva mining leaf; g. larvae in new leaf mines; h. larva in stem mine, with mining in the adjacent petiole." figureDoi="http://doi.org/10.5281/zenodo.7685244" httpUri="https://zenodo.org/record/7685244/files/figure.png" pageId="15" pageNumber="56">Fig. 4a</figureCitation>
). Basal antennal segment L/W&gt; 4. Median tooth of mentum stands higher than 1
<superScript attach="left" box="[352,361,1756,1768]" fontSize="5" pageId="15" pageNumber="56">st</superScript>
lateral teeth. Setae submenti aligned with the 3
<superScript attach="left" box="[817,829,1756,1768]" fontSize="5" pageId="15" pageNumber="56">rd</superScript>
lateral teeth of mentum (
<bibRefCitation author="Cranston, P. S. &amp; Judd, D. D." box="[1070,1293,1757,1779]" pageId="15" pageNumber="56" pagination="534 - 546" refId="ref19488" refString="Cranston, P. S. &amp; Judd, D. D. (1987) Metriocnemus (Diptera: Chironomidae): an ecological survey and description of a new species. Journal of the New York Entomological Society, 95, 534 - 546." type="journal article" year="1987">Cranston &amp; Judd 1987</bibRefCitation>
:
<figureCitation box="[1301,1369,1757,1779]" captionStart="FIGURE 4" captionStartId="8.[151,250,1908,1932]" captionTargetBox="[175,1412,181,1884]" captionTargetId="figure-27@8.[175,1412,181,1884]" captionTargetPageId="8" captionText="FIGURE 4. Metriocnemus erythranthei sp. nov., larvae and leaf mines on Erythranthe spp. (ad), larvae and mines on Veronica sp. (eh). a. on E. glabrata; b. on E. guttata; c. on E. moschata (larva establishing new mine); d. on E. moschata; e. larva in newly established leaf mine; f. larva mining leaf; g. larvae in new leaf mines; h. larva in stem mine, with mining in the adjacent petiole." figureDoi="http://doi.org/10.5281/zenodo.7685244" httpUri="https://zenodo.org/record/7685244/files/figure.png" pageId="15" pageNumber="56">Fig. 4c</figureCitation>
)............................................................................
<taxonomicName authority="Cranston &amp; Judd, 1987" authorityName="Cranston &amp; Judd" authorityYear="1987" box="[1098,1436,1786,1808]" class="Insecta" family="Chironomidae" genus="Metriocnemus" kingdom="Animalia" order="Diptera" pageId="15" pageNumber="56" phylum="Arthropoda" rank="species" species="yaquina">
<emphasis box="[1098,1207,1787,1808]" italics="true" pageId="15" pageNumber="56">M. yaquina</emphasis>
<bibRefCitation author="Cranston, P. S. &amp; Judd, D. D." box="[1214,1436,1786,1808]" pageId="15" pageNumber="56" pagination="534 - 546" refId="ref19488" refString="Cranston, P. S. &amp; Judd, D. D. (1987) Metriocnemus (Diptera: Chironomidae): an ecological survey and description of a new species. Journal of the New York Entomological Society, 95, 534 - 546." type="journal article" year="1987">Cranston &amp; Judd, 1987</bibRefCitation>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph blockId="15.[151,1437,1317,2043]" box="[151,1436,1815,1837]" pageId="15" pageNumber="56">
<keyLead box="[151,1436,1815,1837]" pageId="15" pageNumber="56">- Not with the above combination of characters............................................................... 7</keyLead>
</paragraph>
</keyStep>
<keyStep pageId="15" pageNumber="56">
<paragraph blockId="15.[151,1437,1317,2043]" box="[151,1436,1845,1867]" pageId="15" pageNumber="56">
<keyLead box="[151,1436,1845,1867]" pageId="15" pageNumber="56">
7. Abdominal segments with long setae, each half as long as the segment bearing it....................
<emphasis box="[1239,1259,1845,1866]" italics="true" pageId="15" pageNumber="56">M</emphasis>
. sp. A
<bibRefCitation author="Epler, J. H." box="[1325,1436,1845,1867]" pageId="15" pageNumber="56" refId="ref19968" refString="Epler, J. H. (2001) Identification manual for the larval Chironomidae (Diptera) of North and South Carolina. A guide to the taxonomy of the midges of the southeastern United States including Florida. North Carolina Department of Environment and Natural Resources Division of Water Quality, St. Johns River Water Management District, Palatka, Florida, iv + 530 pp." type="book" year="2001">Epler, 2001</bibRefCitation>
</keyLead>
</paragraph>
<paragraph blockId="15.[151,1437,1317,2043]" box="[151,1436,1874,1896]" pageId="15" pageNumber="56">
<keyLead box="[151,1436,1874,1896]" pageId="15" pageNumber="56">- Abdominal segments without long setae................................................................... 8</keyLead>
</paragraph>
</keyStep>
<keyStep pageId="15" pageNumber="56">
<paragraph blockId="15.[151,1437,1317,2043]" pageId="15" pageNumber="56">
<keyLead pageId="15" pageNumber="56">
8. Procercus as wide as long or wider than long.AR 1.71.8. Basal antennal segment L/W: 2.3 (Th. Bendt &amp; H.K.M. Moller Pillot, in litt.)................................................................................
<taxonomicName authorityName="Edwards" authorityYear="1929" box="[1261,1377,1933,1954]" class="Insecta" family="Chironomidae" genus="Metriocnemus" kingdom="Animalia" order="Diptera" pageId="15" pageNumber="56" phylum="Arthropoda" rank="species" species="tristellus">
<emphasis box="[1261,1377,1933,1954]" italics="true" pageId="15" pageNumber="56">M. tristellus</emphasis>
</taxonomicName>
agg.
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</keyLead>
</paragraph>
<paragraph blockId="15.[151,1437,1317,2043]" box="[151,1436,1962,1984]" pageId="15" pageNumber="56">
<keyLead box="[151,1436,1962,1984]" pageId="15" pageNumber="56">- Not with the above combination of characters............................................................... 9</keyLead>
</paragraph>
</keyStep>
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<paragraph blockId="15.[151,1437,1317,2043]" pageId="15" pageNumber="56">
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9. Median bifid tooth of mentum as high as the 1
<superScript attach="left" box="[661,670,1991,2003]" fontSize="5" pageId="15" pageNumber="56">st</superScript>
lateral teeth (
<bibRefCitation author="Saether, O. A." box="[798,928,1991,2013]" pageId="15" pageNumber="56" pagination="393 - 430" refId="ref21055" refString="Saether, O. A. (1989) Metriocnemus van der Wulp: a new species and a revision of species described by Meigen, Zetterstedt, Staeger, Holmgren, Lundstr ˆ m and Strenzke (Diptera: Chironomidae). Insect Systematics &amp; Evolution, 19, 393 - 430. https: // doi. org / 10.1163 / 187631289 X 00528" type="journal article" year="1989">Saether, 1989</bibRefCitation>
:
<figureCitation box="[936,1009,1991,2013]" captionStart="FIGURE 6" captionStartId="11.[151,250,1938,1962]" captionTargetBox="[151,1436,237,1915]" captionTargetId="figure-48@11.[151,1436,237,1915]" captionTargetPageId="11" captionText="FIGURE 6. Metriocnemus eurynotus associated with Impatiens sp. cotyledons. a. cotyledon with mine containing two larvae; bf. larvae in mines; g. two larvae in mine; h. three larvae in mine; i. two larvae interacting; j. older larvae feeding externally; k. pupa on cotyledon surface; l. reared adult female." figureDoi="http://doi.org/10.5281/zenodo.7685250" httpUri="https://zenodo.org/record/7685250/files/figure.png" pageId="15" pageNumber="56">Fig. 6E</figureCitation>
). Basal antennal segment L/
<geoCoordinate box="[1275,1334,1991,2013]" degrees="2.5" direction="west" orientation="longitude" pageId="15" pageNumber="56" precision="5555" value="-2.5">W 2.5</geoCoordinate>
2.6. Head length
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.................................................................
<taxonomicName authority="Saether, 1989" authorityName="Saether" authorityYear="1989" box="[1217,1436,2021,2043]" class="Insecta" family="Chironomidae" genus="Metriocnemus" kingdom="Animalia" order="Diptera" pageId="15" pageNumber="56" phylum="Arthropoda" rank="species" species="brusti">
<emphasis box="[1217,1304,2021,2042]" italics="true" pageId="15" pageNumber="56">M. brusti</emphasis>
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</taxonomicName>
</keyLead>
</paragraph>
<paragraph blockId="16.[151,1436,151,349]" pageId="16" pageNumber="57">
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- Median bifid tooth of mentum clearly lower than 1
<superScript attach="left" box="[713,722,151,163]" fontSize="5" pageId="16" pageNumber="57">st</superScript>
lateral teeth. Basal antennal segment L/
<geoCoordinate box="[1106,1162,152,173]" degrees="1.1" direction="west" orientation="longitude" pageId="16" pageNumber="57" precision="5555" value="-1.1">W 1.1</geoCoordinate>
2.4. Head length
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............................................................................................... 10
</keyLead>
</paragraph>
</keyStep>
<keyStep pageId="16" pageNumber="57">
<paragraph blockId="16.[151,1436,151,349]" pageId="16" pageNumber="57">
<keyLead pageId="16" pageNumber="57">
10. Basal antennal segment L/
<geoCoordinate box="[480,541,210,231]" degrees="1.1" direction="west" orientation="longitude" pageId="16" pageNumber="57" precision="5555" value="-1.1">W 1.1</geoCoordinate>
. AR 0.67. Mandible with 3 inner teeth (
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: page 7.162). Procercus with 4 anal setae..............................................................
<emphasis box="[973,1000,240,261]" italics="true" pageId="16" pageNumber="57">M.</emphasis>
sp. (=
<taxonomicName box="[1066,1209,239,261]" class="Insecta" family="Chironomidae" kingdom="Animalia" order="Diptera" pageId="16" pageNumber="66" phylum="Arthropoda" rank="subFamily" subFamily="Orthocladiinae">Orthocladiinae</taxonomicName>
genus E,
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)
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</keyLead>
</paragraph>
<paragraph blockId="16.[151,1436,151,349]" box="[151,1436,269,291]" pageId="16" pageNumber="57">
<keyLead box="[151,1436,269,291]" pageId="16" pageNumber="57">- Not with the above combination of characters.............................................................. 11</keyLead>
</paragraph>
</keyStep>
<keyStep pageId="16" pageNumber="57">
<paragraph blockId="16.[151,1436,151,349]" box="[151,1436,298,320]" pageId="16" pageNumber="57">
<keyLead box="[151,1436,298,320]" pageId="16" pageNumber="57">
11. AR 1.51.8. Head length
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(
<bibRefCitation author="Saether, O. A." box="[619,748,298,320]" pageId="16" pageNumber="57" pagination="393 - 430" refId="ref21055" refString="Saether, O. A. (1989) Metriocnemus van der Wulp: a new species and a revision of species described by Meigen, Zetterstedt, Staeger, Holmgren, Lundstr ˆ m and Strenzke (Diptera: Chironomidae). Insect Systematics &amp; Evolution, 19, 393 - 430. https: // doi. org / 10.1163 / 187631289 X 00528" type="journal article" year="1989">Saether, 1989</bibRefCitation>
)...............................
<taxonomicName authority="(Meigen, 1818)" baseAuthorityName="Meigen" baseAuthorityYear="1818" box="[1130,1436,298,320]" class="Insecta" family="Chironomidae" genus="Metriocnemus" kingdom="Animalia" order="Diptera" pageId="16" pageNumber="57" phylum="Arthropoda" rank="species" species="albolineatus">
<emphasis box="[1130,1281,298,320]" italics="true" pageId="16" pageNumber="57">M. albolineatus</emphasis>
(Meigen, 1818)
</taxonomicName>
</keyLead>
</paragraph>
<paragraph blockId="16.[151,1436,151,349]" box="[151,1436,327,349]" pageId="16" pageNumber="57">
<keyLead box="[151,1436,327,349]" pageId="16" pageNumber="57">
- AR 2.02.2. Head length 0.390.47 (
<bibRefCitation author="Saether, O. A." box="[580,708,327,349]" pageId="16" pageNumber="57" pagination="393 - 430" refId="ref21055" refString="Saether, O. A. (1989) Metriocnemus van der Wulp: a new species and a revision of species described by Meigen, Zetterstedt, Staeger, Holmgren, Lundstr ˆ m and Strenzke (Diptera: Chironomidae). Insect Systematics &amp; Evolution, 19, 393 - 430. https: // doi. org / 10.1163 / 187631289 X 00528" type="journal article" year="1989">Saether, 1989</bibRefCitation>
)................................
<taxonomicName authority="(Holmgren, 1883)" baseAuthorityName="Holmgren" baseAuthorityYear="1883" box="[1106,1412,327,349]" class="Insecta" family="Chironomidae" genus="Metriocnemus" kingdom="Animalia" order="Diptera" pageId="16" pageNumber="57" phylum="Arthropoda" rank="species" species="eurynotus">
<emphasis box="[1106,1233,328,349]" italics="true" pageId="16" pageNumber="57">M. eurynotus</emphasis>
(Holmgren, 1883)
</taxonomicName>
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</paragraph>
</keyStep>
</key>
</subSubSection>
</treatment>
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