treatments-xml/data/B5/44/2C/B5442C668405AB68505382A7FB660FE6.xml
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<document id="94DC893C1EBA688D3A4D79017D16E5EC" ID-DOI="http://dx.doi.org/10.3897/dez.62.4481" ID-GBIF-Dataset="73dc98e1-de5e-41a2-93a3-0bebb6f11eca" ID-Pensoft-Pub="1860-1324-1-55" ID-ZooBank="0F16CC5EDF154D6D862CCB83B0FC4B6C" ModsDocAuthor="" ModsDocDate="2015" ModsDocID="1860-1324-1-55" ModsDocOrigin="Deutsche Entomologische Zeitschrift 62 (1)" ModsDocTitle="Taxonomic notes of the Neotropical alderfly genus Ilyobius Enderlein, 1910 (Megaloptera, Sialidae), with description of a new species" checkinTime="1426609902640" checkinUser="pensoft" docAuthor="Liu, Xingyue, Hayashi, Fumio &amp; Yang, Ding" docDate="2015" docId="B5442C668405AB68505382A7FB660FE6" docLanguage="en" docName="DeutEntomolZeit 62(1): 55-63" docOrigin="Deutsche Entomologische Zeitschrift 62 (1)" docSource="http://dx.doi.org/10.3897/dez.62.4481" docTitle="Ilyobius curvata Liu, Hayashi &amp; Yang, 2015, sp. n." docType="treatment" docUuid="CB200390-6333-4696-B8EB-47BDBB51535F" docUuidSource="ZooBank" docVersion="6" lastPageNumber="55" masterDocId="FFA5DC10FFC3A048FFCD1248FF942F25" masterDocTitle="Taxonomic notes of the Neotropical alderfly genus Ilyobius Enderlein, 1910 (Megaloptera, Sialidae), with description of a new species" masterLastPageNumber="63" masterPageNumber="55" pageNumber="55" updateTime="1701315433228" updateUser="plazi">
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<mods:title id="2D0D8426B55CA0510DBC98A080070BBB">Taxonomic notes of the Neotropical alderfly genus Ilyobius Enderlein, 1910 (Megaloptera, Sialidae), with description of a new species</mods:title>
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<mods:namePart id="8B8A27A58F84AA13EEAD561B422B0358">Liu, Xingyue</mods:namePart>
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<mods:namePart id="6544EC849FE7DE53C7A5C4BD5668BA9B">Hayashi, Fumio</mods:namePart>
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<mods:namePart id="CD015D85DC3622C6B6FF21B4D9137186">Yang, Ding</mods:namePart>
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<mods:title id="EBCC2BF0772BE064CC3FAF17FF510293">Deutsche Entomologische Zeitschrift</mods:title>
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<treatment id="B5442C668405AB68505382A7FB660FE6" ID-GBIF-Taxon="127872174" LSID="urn:lsid:zoobank.org:act:CB200390-6333-4696-B8EB-47BDBB51535F" httpUri="http://treatment.plazi.org/id/B5442C668405AB68505382A7FB660FE6" lastPageNumber="55" pageId="0" pageNumber="55">
<subSubSection id="329079BCEFD4D0066EBCE30C255AA9C1" pageId="0" pageNumber="55" type="multiple">
<paragraph id="D68B6B05E3D75D0676A035B7B02A717B" pageId="0" pageNumber="55">Taxon classification Animalia Megaloptera Sialidae</paragraph>
</subSubSection>
<subSubSection id="CA956E65605F046F10B7F2CD83185953" pageId="0" pageNumber="55" type="nomenclature">
<paragraph id="B065E01A11C618525933CCBA0C793FE9" pageId="0" pageNumber="55">
<taxonomicName id="5C48E796ED52CF8DC4940A6BD8D91ACA" LSID="http://zoobank.org/CB200390-6333-4696-B8EB-47BDBB51535F" class="Insecta" family="Sialidae" genus="Ilyobius" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ilyobius curvata" order="Megaloptera" pageId="0" pageNumber="55" phylum="Arthropoda" rank="species" species="curvata">Ilyobius curvata</taxonomicName>
<taxonomicNameLabel id="89FA9A384DEE91523A58D4E8D56D1FB6" pageId="0" pageNumber="55">sp. n.</taxonomicNameLabel>
Figs 1-2, 5-11, 15
</paragraph>
</subSubSection>
<subSubSection id="B8D2C1CE37F44BECEFB3A8E0E79DF5F4" pageId="0" pageNumber="55" type="description">
<paragraph id="CC57E50F5ED6791DCF9B239AA7D16ACD" pageId="0" pageNumber="55">Description.</paragraph>
<paragraph id="96E857F0E9859D1A39A520F1A69EF385" pageId="0" pageNumber="55">Male. Forewing length 7.0-8.6 mm, hindwing length 5.6-7.8 mm.</paragraph>
<paragraph id="61E0796FD9CD49783A5B134042544364" pageId="0" pageNumber="55">Head (Figs 1, 5) smoothly orange, slightly brown on clypeus, with dense short yellowish pilosity; a pair of blackish brown markings present and expanded from entire inner margins of compound eyes, with bifurcate extension medially and trifurcate extension posteriorly; raised scars indistinct. Compound eyes brown. Antennae brown. Mouthparts blackish brown.</paragraph>
<caption id="A77DA94902D8648EC3B0EA472BB52CEB" pageId="0" pageNumber="55">
<paragraph id="43305B4AE96B53AF366DB621D6EB6C53" pageId="0" pageNumber="55">
Figures 1-4. Habitus images of
<taxonomicName id="9D62D52A62CC653C6198334C4DB05862" class="Insecta" family="Sialidae" genus="Ilyobius" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ilyobius" order="Megaloptera" pageId="0" pageNumber="55" phylum="Arthropoda" rank="genus">Ilyobius</taxonomicName>
spp. 1.
<taxonomicName id="3EAB1652CE251958E25DE14B2DDE2FC0" class="Insecta" family="Sialidae" genus="Ilyobius" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ilyobius curvata" order="Megaloptera" pageId="0" pageNumber="55" phylum="Arthropoda" rank="species" species="curvata">Ilyobius curvata</taxonomicName>
sp. n., male holotype; 2.
<taxonomicName id="601ABF0B82BD61015F43D2C9836D0FDB" class="Insecta" family="Sialidae" genus="Ilyobius" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ilyobius curvata" order="Megaloptera" pageId="0" pageNumber="55" phylum="Arthropoda" rank="species" species="curvata">Ilyobius curvata</taxonomicName>
sp. n., female paratype; 3.
<taxonomicName id="A3AAE553D8A764194F3E40C2FA6D773C" class="Insecta" family="Sialidae" genus="Ilyobius" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ilyobius flavicollis" order="Megaloptera" pageId="0" pageNumber="55" phylum="Arthropoda" rank="species" species="flavicollis">Ilyobius flavicollis</taxonomicName>
(Enderlein), female holotype and its labels; 4.
<taxonomicName id="27D2A13F13340623D9C3BC5D29184355" class="Insecta" family="Sialidae" genus="Ilyobius" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ilyobius nubila" order="Megaloptera" pageId="0" pageNumber="55" phylum="Arthropoda" rank="species" species="nubila">Ilyobius nubila</taxonomicName>
(
<normalizedToken id="B6B3D43E5E1D224687CA9F54BE8B9E54" originalValue="Navás">Navas</normalizedToken>
), female holotype and its labels. Arrow indicates the base of hindwing MA. Scale bars: 1.0 mm.
</paragraph>
</caption>
<caption id="9F7828E569A0A2FCFC7E68F5F6A4ABF2" pageId="0" pageNumber="55">
<paragraph id="594D7D6096AA116E0F0C94ACCA307063" pageId="0" pageNumber="55">
Figures 5-11.
<taxonomicName id="C0E4AD292FD11401115A70DAD9AAB6D6" class="Insecta" family="Sialidae" genus="Ilyobius" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ilyobius curvata" order="Megaloptera" pageId="0" pageNumber="55" phylum="Arthropoda" rank="species" species="curvata">Ilyobius curvata</taxonomicName>
sp. n. 5. Male head and pronotum, dorsal view; 6. Male genitalia, dorsal view; 7. Male genitalia, ventral view; 8. Male genitalia, lateral view; 9. Male genitalia, caudal view; 10. Female genitalia, lateral view; 11. Female genitalia, ventral view. e: ectoproct; edp: endophallus; gp8: gonapophyses 8; gst9 and 11: gonostylus 9 and 11; gx8, 9, and 11: gonocoxite 8, 9 and 11; S7 and 9: sternite 7 and 9; T7-9: tergite 7-9. Scale bars: 1.0 mm.
</paragraph>
</caption>
<paragraph id="A5579BCC8157514AB63868F7335578BC" pageId="0" pageNumber="55">Prothorax (Figs 1, 5) brown throughout, pronotum with anterior margin reddish brown; meso- and meta thorax blackish brown. Legs pale brown, bearing dense brownish setae; tarsal claws reddish brown. Wings smoky brown, slightly darker on costal areas and proximal portions; veins pale brown. Forewing about 2.4 times as long as wide; costal area with 13 crossveins (eight proximal ones distinct); sc-r present; Rs with two simple branches; MA with two simple branches; MP proximally fused with CuA, having simple anterior branch and bifurcate posterior branch; CuA bifurcated, CuP simple; 1A simple, 2A with two simple branches, 3A simple; three r-rs present. Hindwing slightly narrower than forewing, about 2.9 times as long as wide; costal area with seven costal crossveins (two proximal ones distinct); branching condition of longitudinal veins mostly same as that of forewing, except for MP having two simple branches; MA proximally leaving a short oblique veinlet fused with MP; M separated from R.</paragraph>
<paragraph id="F57C18DF4CFE0EDE20266E293D55F738" pageId="0" pageNumber="55">Abdomen blackish brown. Tergite 9 (Fig. 6) in dorsal view nearly 3.0 times as wide as long, anterior margin truncate, posterior margin slightly concaved. Sternite 9 (Fig. 7) lingulate, about twice as long as tergite 9, posteromedially slightly pointed. Gonocoxite 9 (Fig. 8) ovoid, slightly shorter than tergite 9, gradually widened posteriad, with rounded apex. Ectoprocts (Fig. 6) largely paired, ovoid, medially connected by a feebly sclerotized transverse zone. A short ovoid lobe present beneath anus (Fig. 9). Gonocoxites 11 (Figs 8-9) transversely arched proximally, median processes (= gonostyli 11) close to each other and strongly curved ventrad, with unguiform tips. Endophallus (Figs 7-8) present between tergite and sternite 9, internally with a narrow, transversely band-like, and densely scabrous membrane.</paragraph>
<paragraph id="1D7BE2ED3BE64AACD5DE435EE38E631E" pageId="0" pageNumber="55">Female. Body length 9.0 mm; forewing length 9.0-9.5 mm, hindwing length 8.4-8.7 mm.</paragraph>
<paragraph id="065CF4570F5E4EB1659E4381AEE9E9F8" pageId="0" pageNumber="55">Sternite 7 (Figs 10-11) broad, subtrapezoidal in lateral view and subquadrate in ventral view, with truncate posterior margin and a small tubercular projection subdistad. Fused gonocoxites 8 (Figs 10-11) narrowly elongated, and posteriorly curved dorsad in lateral view; in ventral view nearly rhombic, longitudinally depressed as a canal from a rather narrowed posterior portion to a roundly inflated anterior portion, which is inserted beneath sternite 7; gonapophyses 8 (Figs 10-11) distinctly sclerotized, strongly convex posteriad, and widened laterally. Tergite 9 laterally separating into short, narrow dorsal region and broad, subtrapezoidal ventral region. Gonocoxite 9 (Fig. 10) broadly valvate, arcuately margined ventrad, posteriorly with a small gonostylus 9 at tip. Ectoprocts (Fig. 10) short, ovoid.</paragraph>
</subSubSection>
<subSubSection id="9A195C12E688B1ABD4B22052175D15C0" pageId="0" pageNumber="55" type="type materials">
<paragraph id="5E45356E5A20B90509AA04508EF89190" pageId="0" pageNumber="55">Type materials.</paragraph>
<paragraph id="472B4F6763FD4F9A899642B79B15C9B1" pageId="0" pageNumber="55">
Holotype ♂, &quot;Columbien [= Colombia], Moritz/ruficeps Mor[itz]. i.det. [= identified] Columb[ia]. Mor[itz].&quot; (MFN). Paratypes 1♀, &quot;Columbien [= Colombia], Moritz&quot; (MFN). 1♀, &quot;Tabernilla [ca.
<geoCoordinate id="5761EFA473B4F10EC86142E5B1D50730" direction="north" orientation="latitude" precision="925" value="9.133333">9°08'N</geoCoordinate>
;
<geoCoordinate id="6F27E8B4458EB5EB14CDF0F02AD02038" direction="west" orientation="longitude" precision="925" value="-79.8">79°48'W</geoCoordinate>
], Canal Zone, Panama/May 4-07/Collected by August Busck/
<taxonomicName id="679E6479EE62134EB2F291EAC9A1CD7E" class="Insecta" family="Sialidae" genus="Protosialis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Protosialis mexicana" order="Megaloptera" pageId="0" pageNumber="55" phylum="Arthropoda" rank="species" species="mexicana">Protosialis mexicana</taxonomicName>
(Bks. [= Banks]) ♀, det. A. Contreras[-Ramos], [20]05&quot; (NMNH); 2♂, Pacora [ca.
<geoCoordinate id="8FA1105678276CFFC113246FEB7E0521" direction="north" orientation="latitude" precision="925" value="9.066667">9°04'N</geoCoordinate>
;
<geoCoordinate id="ECAE601F8A5432E9F6B648AEE4A1CC3D" direction="west" orientation="longitude" precision="925" value="-79.28333">79°17'W</geoCoordinate>
], Panama, II-19-[19]45, H.H. Stage/Plot F Sheet, 24 hrs [= hours], 45-4519/
<taxonomicName id="9517793C9F2256FAF9BA044EEF3425F9" class="Insecta" family="Sialidae" genus="Protosialis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Protosialis mexicana" order="Megaloptera" pageId="0" pageNumber="55" phylum="Arthropoda" rank="species" species="mexicana">Protosialis mexicana</taxonomicName>
(Bks. [= Banks]) ♂, A. Contreras-R[amos]., det. 2005&quot; (NMNH).
</paragraph>
</subSubSection>
<subSubSection id="6526C07CB22B532E09CB95FF1E066FCD" pageId="0" pageNumber="55" type="distribution">
<paragraph id="F61593CCE65BA8BE0F57ECA6702C1865" pageId="0" pageNumber="55">Distribution.</paragraph>
<paragraph id="32AB172FF185969C78BC7AE9FBD7E8D2" pageId="0" pageNumber="55">Colombia; Panama (Panama Province).</paragraph>
</subSubSection>
<subSubSection id="3FF238A980DBB5F95B2451AB28D53B41" pageId="0" pageNumber="55" type="etymology">
<paragraph id="9E47DDC8202BBF9A05AAD68A79B5AD73" pageId="0" pageNumber="55">Etymology.</paragraph>
<paragraph id="DFCE3A0EE2370B34B4E2EDFAA8DDC465" pageId="0" pageNumber="55">
The specific epithet
<normalizedToken id="B0C2969FD2ACD405A8DE1E6610F1AE64" originalValue="“curvata”">&quot;curvata&quot;</normalizedToken>
refers to the strongly ventrally curved median processes (gonostyli) of the male gonocoxites 11 in the new species.
</paragraph>
</subSubSection>
<subSubSection id="225DD7F40FC2D692846216686EC9FE42" pageId="0" pageNumber="55" type="remarks">
<paragraph id="11D0217BF250F19F032FE17FA68D8FB0" pageId="0" pageNumber="55">Remarks.</paragraph>
<paragraph id="77DF75550F9AAC3210307874C57F4970" pageId="0" pageNumber="55">
The new species is closely related to
<taxonomicName id="9E5D159F6AB822BCE380186DDB1A634F" class="Insecta" family="Sialidae" genus="Ilyobius" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ilyobius mexicana" order="Megaloptera" pageId="0" pageNumber="55" phylum="Arthropoda" rank="species" species="mexicana">Ilyobius mexicana</taxonomicName>
(Banks, 1901) by having similar cephalic marking patterns and general genitalic characteristics. The three paratypes of the new species from Panama were even identified to be
<taxonomicName id="00A41F47926E048E923AA7B81E27B881" class="Insecta" family="Sialidae" genus="Ilyobius" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ilyobius mexicana" order="Megaloptera" pageId="0" pageNumber="55" phylum="Arthropoda" rank="species" species="mexicana">Ilyobius mexicana</taxonomicName>
by
<bibRefCitation id="42A224AD278751ECDD38E7B442A4EAB9" author="Contreras-Ramos, A" journalOrPublisher="Annals of the Entomological Society of America" pageId="0" pageNumber="55" pagination="808 - 814" title="Notes on some Neotropical alderflies (Sialidae: Megaloptera)." url="10.1093/aesa/101.5.808" volume="101" year="2008">Contreras-Ramos (2008)</bibRefCitation>
. However,
<taxonomicName id="3D5F222936A3DBC4E1E42E215E2214C3" class="Insecta" family="Sialidae" genus="Ilyobius" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ilyobius curvata" order="Megaloptera" pageId="0" pageNumber="55" phylum="Arthropoda" rank="species" species="curvata">Ilyobius curvata</taxonomicName>
differs from
<taxonomicName id="A22502670C7BECCE387AEE226E78EB14" class="Insecta" family="Sialidae" genus="Ilyobius" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ilyobius mexicana" order="Megaloptera" pageId="0" pageNumber="55" phylum="Arthropoda" rank="species" species="mexicana">Ilyobius mexicana</taxonomicName>
by the male gonocoxites 11 with median processes close to each other and strongly curved ventrad and by the female fused gonocoxites 8 strongly narrowed posteriad. In
<taxonomicName id="F9B6798A39471CE17F63257B797331DE" class="Insecta" family="Sialidae" genus="Ilyobius" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ilyobius mexicana" order="Megaloptera" pageId="0" pageNumber="55" phylum="Arthropoda" rank="species" species="mexicana">Ilyobius mexicana</taxonomicName>
the median processes of male gonocoxites 11 are straightly directed and the female fused gonocoxites 8 is bluntly prominent posteriorly. These genitalic differences are stable based on our examination of several specimens of both species. Moreover, concerning the body-size,
<taxonomicName id="41EFD0D159CBFFCA7F096150AE739012" class="Insecta" family="Sialidae" genus="Ilyobius" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ilyobius curvata" order="Megaloptera" pageId="0" pageNumber="55" phylum="Arthropoda" rank="species" species="curvata">Ilyobius curvata</taxonomicName>
is smaller than
<taxonomicName id="D48E92056E1705A47C550D5BEA1252D1" class="Insecta" family="Sialidae" genus="Ilyobius" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ilyobius mexicana" order="Megaloptera" pageId="0" pageNumber="55" phylum="Arthropoda" rank="species" species="mexicana">Ilyobius mexicana</taxonomicName>
, with the forewing length less than 9.0 mm in males and 10.0 mm in females, while the forewing length of
<taxonomicName id="02F6F3000A664616D1A6834FC9167C69" class="Insecta" family="Sialidae" genus="Ilyobius" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ilyobius mexicana" order="Megaloptera" pageId="0" pageNumber="55" phylum="Arthropoda" rank="species" species="mexicana">Ilyobius mexicana</taxonomicName>
is more than 11.0 mm in males and 12.0 mm in females.
</paragraph>
</subSubSection>
</treatment>
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