162 lines
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162 lines
16 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.386.6913" ID-GBIF-Dataset="3a2df501-1763-4f11-a2ea-f9abaac99c00" ID-PMC="PMC3970064" ID-Pensoft-Pub="1313-2970-386-29" ID-PubMed="24693214" ID-ZBK="357FE9805295436EB40CFDD307D00D48" ModsDocAuthor="" ModsDocDate="2014" ModsDocID="1313-2970-386-29" ModsDocOrigin="ZooKeys 386" ModsDocTitle="The Megophthalmidia (Diptera, Mycetophilidae) of North America including eight new species" checkinTime="1451246199718" checkinUser="pensoft" docAuthor="Kerr, Peter H." docDate="2014" docId="86B61275275BD6B6961F6431E80A3F3A" docLanguage="en" docName="ZooKeys 386: 29-83" docOrigin="ZooKeys 386" docSource="http://dx.doi.org/10.3897/zookeys.386.6913" docTitle="Megophthalmidia ignea Kerr, 2014, sp. n." docType="treatment" docUuid="0A125C12-EFB9-47BF-8F71-A70C946E365C" docUuidSource="ZooBank" docVersion="4" lastPageNumber="37" masterDocId="FFE4CC07FFFAC50AFFB0FFF4FFD6FFF4" masterDocTitle="The Megophthalmidia (Diptera, Mycetophilidae) of North America including eight new species" masterLastPageNumber="83" masterPageNumber="29" pageNumber="35" updateTime="1668157894205" updateUser="ExternalLinkService">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>The Megophthalmidia (Diptera, Mycetophilidae) of North America including eight new species</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Kerr, Peter H.</mods:namePart>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:relatedItem type="host">
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<mods:titleInfo>
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<mods:title>ZooKeys</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2014</mods:date>
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<mods:detail type="volume">
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<mods:number>386</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>29</mods:start>
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<mods:end>83</mods:end>
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</mods:extent>
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</mods:part>
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</mods:relatedItem>
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<mods:location>
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<mods:url>http://dx.doi.org/10.3897/zookeys.386.6913</mods:url>
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</mods:location>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">http://dx.doi.org/10.3897/zookeys.386.6913</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-386-29</mods:identifier>
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<mods:identifier type="ZBK">357FE9805295436EB40CFDD307D00D48</mods:identifier>
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<mods:identifier type="ZooBank">357FE9805295436EB40CFDD307D00D48</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="152051505" LSID="urn:lsid:zoobank.org:act:0A125C12-EFB9-47BF-8F71-A70C946E365C" httpUri="http://treatment.plazi.org/id/86B61275275BD6B6961F6431E80A3F3A" lastPageId="8" lastPageNumber="37" pageId="6" pageNumber="35">
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<subSubSection pageId="6" pageNumber="35" type="nomenclature">
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<paragraph pageId="6" pageNumber="35">
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<taxonomicName LSID="http://zoobank.org/0A125C12-EFB9-47BF-8F71-A70C946E365C" class="Insecta" family="Mycetophilidae" genus="Megophthalmidia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Megophthalmidia ignea" order="Diptera" pageId="6" pageNumber="35" phylum="Arthropoda" rank="species" species="ignea">
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<pageBreakToken pageId="6" pageNumber="35" start="start">Megophthalmidia</pageBreakToken>
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ignea
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</taxonomicName>
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<taxonomicNameLabel pageId="6" pageNumber="35">sp. n.</taxonomicNameLabel>
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Figs 11-20
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</paragraph>
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</subSubSection>
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<subSubSection pageId="6" pageNumber="35" type="type material">
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<paragraph pageId="6" pageNumber="35">Type material.</paragraph>
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<paragraph pageId="6" pageNumber="35">
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Holotype: ♂, "USA: CA: San Bernardino Co., 4 km SE Wrightwood, Lone Pine Canyon,
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<geoCoordinate direction="north" orientation="latitude" precision="9" value="34.317165">34°19.03'N</geoCoordinate>
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,
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<geoCoordinate direction="west" orientation="longitude" precision="9" value="-117.58217">117°34.93'W</geoCoordinate>
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, elev. 5388', 21-28.v.2005, S.L. Winterton & A.R. Cline, Malaise CDFA2005-008" / "HOLOTYPE 12J949,
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<taxonomicName class="Insecta" family="Mycetophilidae" genus="Megophthalmidia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Megophthalmidia ignea" order="Diptera" pageId="6" pageNumber="35" phylum="Arthropoda" rank="species" species="ignea">Megophthalmidia ignea</taxonomicName>
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♂, Kerr, 2014" [red label]. Deposited in CSCA, mounted on gray point, missing hind left leg and mid right leg, otherwise in good condition; specimen dissected, terminalia preserved in glycerol in glass genitalia vial pinned beneath specimen. See Fig. 106 for image of type locality.
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</paragraph>
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<paragraph pageId="6" pageNumber="35">
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Paratypes (all bearing a blue paratype label): ♂, "USA: CA: Los Angeles Co., 13kmNW Wrightwood, Largo Vista Rd.,
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<geoCoordinate direction="north" orientation="latitude" precision="9" value="34.422">34°25.32'N</geoCoordinate>
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,
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<geoCoordinate direction="west" orientation="longitude" precision="9" value="-117.76767">117°46.06'W</geoCoordinate>
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; elev. 6516', 21-28.v.2005, S.L. Winterton & A.R. Cline, Malaise in dry wash, CDFA2005-001" [CSCA; specimen # 12J388 (Fig. 11)]; 3 ♂♂, "USA: CA: San Bernardino Co., SBNF: W. of Barton Flats, MT, 34.1677°N,-116.9146°W, 23-31.v.2004 M. Caterino CSCA12L335" [CSCA; specimen numbers 12K356, 13M304, and 13M319 (dissected)]; ♂, "USA: CA: San Bernardino Co. 4 km SE Wrightwood. Lone Pine Canyon, MT 34.317167° -117.582167°, elev. 5388' 23-25.v.2009 S.L. Winterton CSCA09L313" [CSCA; specimen # 09C893 (Figs 12-20)].
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</paragraph>
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</subSubSection>
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<subSubSection pageId="6" pageNumber="35" type="diagnosis">
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<paragraph pageId="6" pageNumber="35">Diagnosis.</paragraph>
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<paragraph pageId="6" pageNumber="35">
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<taxonomicName class="Insecta" family="Mycetophilidae" genus="Megophthalmidia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Megophthalmidia ignea" order="Diptera" pageId="6" pageNumber="35" phylum="Arthropoda" rank="species" species="ignea">Megophthalmidia ignea</taxonomicName>
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sp. n. may be confused with Nearctic congeners that also have a brown thorax contrasting against cream-colored tibia. Among these, it is similar to
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<taxonomicName class="Insecta" family="Mycetophilidae" genus="Megophthalmidia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Megophthalmidia browni" order="Diptera" pageId="6" pageNumber="35" phylum="Arthropoda" rank="species" species="browni">Megophthalmidia browni</taxonomicName>
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sp. n. and
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<taxonomicName class="Insecta" family="Mycetophilidae" genus="Megophthalmidia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Megophthalmidia mckibbeni" order="Diptera" pageId="6" pageNumber="35" phylum="Arthropoda" rank="species" species="mckibbeni">Megophthalmidia mckibbeni</taxonomicName>
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sp. n. but may be distinguished from these species by the shape and setation of the apical epandrial processes (Figs 12, 13); shortened and bare, as opposed to elongate in
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<taxonomicName class="Insecta" family="Mycetophilidae" genus="Megophthalmidia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Megophthalmidia browni" order="Diptera" pageId="6" pageNumber="35" phylum="Arthropoda" rank="species" species="browni">Megophthalmidia browni</taxonomicName>
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and setose in
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<taxonomicName class="Insecta" family="Mycetophilidae" genus="Megophthalmidia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Megophthalmidia mckibbeni" order="Diptera" pageId="6" pageNumber="35" phylum="Arthropoda" rank="species" species="mckibbeni">Megophthalmidia mckibbeni</taxonomicName>
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). Among congeners, however, it most resembles
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<taxonomicName class="Insecta" family="Mycetophilidae" genus="Megophthalmidia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Megophthalmidia perignea" order="Diptera" pageId="6" pageNumber="35" phylum="Arthropoda" rank="species" species="perignea">Megophthalmidia perignea</taxonomicName>
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, even in the general shape of the aedeagal complex. Most characteristically, the short aedeagal tine of
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<taxonomicName class="Insecta" family="Mycetophilidae" genus="Megophthalmidia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Megophthalmidia ignea" order="Diptera" pageId="6" pageNumber="35" phylum="Arthropoda" rank="species" species="ignea">Megophthalmidia ignea</taxonomicName>
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is very thick at its base, distinguishing itself from its sister taxon (Fig. 19). Also, in
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<taxonomicName class="Insecta" family="Mycetophilidae" genus="Megophthalmidia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Megophthalmidia ignea" order="Diptera" pageId="6" pageNumber="35" phylum="Arthropoda" rank="species" species="ignea">Megophthalmidia ignea</taxonomicName>
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, the apical epandrial processes are longer and more slender (Figs 12, 13) than in
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<taxonomicName class="Insecta" family="Mycetophilidae" genus="Megophthalmidia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Megophthalmidia perignea" order="Diptera" pageId="6" pageNumber="35" phylum="Arthropoda" rank="species" species="perignea">Megophthalmidia perignea</taxonomicName>
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(Figs 63, 64).
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="8" lastPageNumber="37" pageId="6" pageNumber="35" type="description">
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<paragraph pageId="6" pageNumber="35">Description.</paragraph>
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<paragraph pageId="6" pageNumber="35">Male. Body length: 2.6-2.9, 2.8 [n/a] mm (n=4). Wing length: 2.5-2.9, 2.7 [2.9] mm (n=5).</paragraph>
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<paragraph pageId="7" pageNumber="36">
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<pageBreakToken pageId="7" pageNumber="36" start="start">Coloration</pageBreakToken>
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(Fig. 11). Head dark brown; antennal scape dark brown, pedicel and flagellomeres brown; face dark brown, clypeus and labrum brown to dark brown; palps and labellum cream-colored to pale yellow (palpomeres 1-3 usually slightly darker than others, palpomere 2 with light patch where sensilla present). Thorax brown to dark brown throughout, except at the anterolateral margin of the dorsum and dorsal apronotal area, where it may be narrowly cream-colored or pale yellow; scutum setae golden brown to dark brown. Coxae clearly lighter in color than thorax, cream-colored to pale yellow; femora cream-colored to light brown throughout (sometimes slightly brown at dorsal apex), dark brown at apical margin; tibiae and tarsi cream-colored to pale yellow, with densely-arranged dark brown setae; hind tibial comb yellowish, preceded by 0-3 (usually 3) dark brown setae. Wing hyaline without markings, wing veins brown; haltere stem and knob white to cream-colored. Abdominal segments concolorous brown. Terminalia light brown to brown.
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</paragraph>
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<caption pageId="7" pageNumber="36">
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<paragraph pageId="7" pageNumber="36">
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Figure 11.
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<taxonomicName class="Insecta" family="Mycetophilidae" genus="Megophthalmidia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Megophthalmidia ignea" order="Diptera" pageId="7" pageNumber="36" phylum="Arthropoda" rank="species" species="ignea">Megophthalmidia ignea</taxonomicName>
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sp. n., habitus [paratype male, # 12J388; female unknown]. Scale bar = 1 mm.
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</paragraph>
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</caption>
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<paragraph pageId="8" pageNumber="37">
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<pageBreakToken pageId="8" pageNumber="37" start="start">Head</pageBreakToken>
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. Ocelli slightly raised, median ocellus in line with anterior margin of lateral ocelli, median ocellus approx. 0.3
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<normalizedToken originalValue="×–0.5×">x-0.5x</normalizedToken>
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size of lateral ocelli; lateral ocellus located approx. 2
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<normalizedToken originalValue="×">x</normalizedToken>
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diameter of ocellus from eye margin, separated from median ocellus by approx. 2.2
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<normalizedToken originalValue="×">x</normalizedToken>
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its own diameter. Eyes with microsetae, which are approximately as long as width of facet. Frons microtrichose, without setae, flattened. Antennal length 0.9-1.3, 1.1 [1.3] mm (n=5). Face clearly longer than wide, setose; clypeus and labrum microtrichose, without setae. Palpus with four palpomeres; palpomere 1 oblong, without setae; other palpomeres with brown setae; palpomere 2 bearing small pocket of sensilla; palpomere 1 length longer than or subequal in length to palpomere 2; palpomere 3 approx. same length as combined length of palpomeres 1 and 2; palpomere 4 subequal or slightly shorter in length to combined length of palpomeres 2 and 3.
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</paragraph>
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<paragraph pageId="8" pageNumber="37">
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Thorax. Dorsum with evenly-distributed, short, appressed setae, bearing longer setae only along lateral and posterior margins. Antepronotum, proepisternum, and laterotergite bearing setae; remaining lateral thoracic sclerites bare. Costal wing vein extends beyond R5, approx. three-fifths distance between R5 and M1; R1 approximately the same length as r-m or slightly longer; cubital fork below or proximad of r-m base (as in
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<taxonomicName class="Insecta" family="Mycetophilidae" genus="Megophthalmidia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Megophthalmidia occidentalis" order="Diptera" pageId="8" pageNumber="37" phylum="Arthropoda" rank="species" species="occidentalis">Megophthalmidia occidentalis</taxonomicName>
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, Fig. 52); R1, M1, M2, CuA1, and CuA2 with setae on upper surface (lacking setae on M1 + M2). Wing veins A1 and CuP absent.
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</paragraph>
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<paragraph pageId="8" pageNumber="37">
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Male genitalia (Figs 12-20). In some specimens, terminalia distinctly procumbent. Posterior margin of epandrium broadly emarginate at center (Fig. 14). Posterior processes of epandrium relatively short, approx. 2.5
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<normalizedToken originalValue="×">x</normalizedToken>
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longer than wide, separated at base by approx. 1.75
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<normalizedToken originalValue="×">x</normalizedToken>
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width of process; bare (Figs 12, 13). Gonocoxites as in Figs 15-17. Aedeagal fork bifurcated into tines; shorter tine noticeably thickened (2
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<normalizedToken originalValue="–3×">-3x</normalizedToken>
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wider than paired tine at base), both tines pointed outward apically (Fig. 19).
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</paragraph>
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<caption pageId="8" pageNumber="37">
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<paragraph pageId="8" pageNumber="37">
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Figures 12-14.
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<taxonomicName class="Insecta" family="Mycetophilidae" genus="Megophthalmidia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Megophthalmidia ignea" order="Diptera" pageId="8" pageNumber="37" phylum="Arthropoda" rank="species" species="ignea">Megophthalmidia ignea</taxonomicName>
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sp. n., male epandrium [paratype, # 09C893] 12 Lateral view 13 Posterior view 14 Dorsal view. Scale bar = 0.1 mm. Abbreviations: ael apical epandrial lobe.
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</paragraph>
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</caption>
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<caption pageId="8" pageNumber="37">
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<paragraph pageId="8" pageNumber="37">
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Figures 15-17.
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<taxonomicName class="Insecta" family="Mycetophilidae" genus="Megophthalmidia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Megophthalmidia ignea" order="Diptera" pageId="8" pageNumber="37" phylum="Arthropoda" rank="species" species="ignea">Megophthalmidia ignea</taxonomicName>
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sp. n., male hypandrium [paratype, # 09C893] 15 Lateral view 16 Dorsal view 17 Ventral view. Scale bar = 0.1 mm.
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</paragraph>
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</caption>
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<caption pageId="8" pageNumber="37">
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<paragraph pageId="8" pageNumber="37">
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Figures 18-20.
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<taxonomicName class="Insecta" family="Mycetophilidae" genus="Megophthalmidia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Megophthalmidia ignea" order="Diptera" pageId="8" pageNumber="37" phylum="Arthropoda" rank="species" species="ignea">Megophthalmidia ignea</taxonomicName>
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sp. n., male aedeagus [paratype, # 09C893] 18 Lateral view 19 Dorsal view 20 Posterior view. Scale bar = 0.1 mm.
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</paragraph>
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</caption>
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<paragraph pageId="8" pageNumber="37">Female unknown.</paragraph>
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</subSubSection>
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<subSubSection pageId="8" pageNumber="37" type="etymology">
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<paragraph pageId="8" pageNumber="37">Etymology.</paragraph>
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<paragraph pageId="8" pageNumber="37">
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The species epithet
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<normalizedToken originalValue="“ignea”">"ignea"</normalizedToken>
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is an adjective, derived for the Latin word for
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<normalizedToken originalValue="“fiery”">"fiery"</normalizedToken>
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in reference to the typical chaparral habitat of this species, whose ecology is shaped by fire.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |