112 lines
10 KiB
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112 lines
10 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.363.6482" ID-GBIF-Dataset="36e5551d-3881-45a2-810a-386e517c86fc" ID-PMC="PMC3867181" ID-Pensoft-Pub="1313-2970-363-1" ID-PubMed="24363601" ID-ZBK="780695A9CB2E4FECA0560BA6F456185E" ModsDocAuthor="" ModsDocDate="2013" ModsDocID="1313-2970-363-1" ModsDocOrigin="ZooKeys 363" ModsDocTitle="A revision of the shore-fly genus Hydrochasma Hendel (Diptera, Ephydridae)" checkinTime="1451246560986" checkinUser="pensoft" docAuthor="Mathis, Wayne N. & Zatwarnicki, Tadeusz" docDate="2013" docId="919571800D8995F1D3A28D0FC7AEAA77" docLanguage="en" docName="ZooKeys 363: 1-161" docOrigin="ZooKeys 363" docSource="http://dx.doi.org/10.3897/zookeys.363.6482" docTitle="Hydrochasma parallelum Mathis & Zatwarnicki, 2013, sp. n." docType="treatment" docUuid="121FBDE1-8331-4DC8-AA59-E05A77D0D64E" docUuidSource="ZooBank" docVersion="4" lastPageNumber="62" masterDocId="FFF2FFCA0333765855689824FFCDB839" masterDocTitle="A revision of the shore-fly genus Hydrochasma Hendel (Diptera, Ephydridae)" masterLastPageNumber="161" masterPageNumber="1" pageNumber="61" updateTime="1668157177207" 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>A revision of the shore-fly genus Hydrochasma Hendel (Diptera, Ephydridae)</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>Mathis, Wayne N.</mods:namePart>
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</mods:name>
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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>Zatwarnicki, Tadeusz</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>2013</mods:date>
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<mods:detail type="volume">
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<mods:number>363</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>1</mods:start>
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<mods:end>161</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.363.6482</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.363.6482</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-363-1</mods:identifier>
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<mods:identifier type="ZBK">780695A9CB2E4FECA0560BA6F456185E</mods:identifier>
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<mods:identifier type="ZooBank">780695A9CB2E4FECA0560BA6F456185E</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="152050154" LSID="urn:lsid:zoobank.org:act:121FBDE1-8331-4DC8-AA59-E05A77D0D64E" httpUri="http://treatment.plazi.org/id/919571800D8995F1D3A28D0FC7AEAA77" lastPageId="61" lastPageNumber="62" pageId="60" pageNumber="61">
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<subSubSection pageId="60" pageNumber="61" type="nomenclature">
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<paragraph pageId="60" pageNumber="61">
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20.
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<taxonomicName LSID="http://zoobank.org/121FBDE1-8331-4DC8-AA59-E05A77D0D64E" class="Insecta" family="Ephydridae" genus="Hydrochasma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hydrochasma parallelum" order="Diptera" pageId="60" pageNumber="61" phylum="Arthropoda" rank="species" species="parallelum">Hydrochasma parallelum</taxonomicName>
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<taxonomicNameLabel pageId="60" pageNumber="61">sp. n.</taxonomicNameLabel>
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Figs 105, 111-114
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="61" lastPageNumber="62" pageId="60" pageNumber="61" type="diagnosis">
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<paragraph pageId="60" pageNumber="61">Diagnosis.</paragraph>
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<paragraph lastPageId="61" lastPageNumber="62" pageId="60" pageNumber="61">
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This species is distinguished from other congeners by the following combination of characters: Small to moderately small shore flies, body length 1.65-2.30 mm.
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<pageBreakToken pageId="61" pageNumber="62" start="start">Head</pageBreakToken>
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: Antenna mostly dark gray; parafacial silvery white, concolorous with facial coloration; gena-to-eye ratio 0.17-0.18. Thorax: Wing with costal vein ratio 0.77-0.81; M vein ratio 0.47-0.51. Abdomen: Tergites with moderately distinctive, deep, gray to silvery gray wedges along lateral margin of darkened coloration; male tergite 5 gray. Male terminalia (Figs 111-114): Combined structures generally moderately elongate, in posterior view height almost 3
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<normalizedToken originalValue="×">x</normalizedToken>
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width, generally moderately setulose dorsally, setulae sparse or lacking ventrally; epandrium lacking dorsal arch above cerci, in posterior view (Fig. 111) with apical 2/3 abruptly narrowed, parallel sided, apical process not wider than extended process, apex with very narrow apicomedial cleft, in lateral view (Fig. 112) elongate, narrow with basal 3/4 straight, apical 1/4 abruptly curved anteriorly, slight expanded, apex rounded; aedeagus in lateral view (Fig. 114) very elongate, narrow, mostly parallel sided, apical 1/8 curved anteriorly, apex pointed, in ventral view (Fig. 113) very narrow, elongate, apical 1/4 slightly expanded, apex narrowly rounded; phallapodeme in lateral view (Fig. 114) narrow, elongate, rod-like, hypandrial end slight expanded with a subapical, small, digitiform process, thereafter tapered to a point toward aedeagal base, in ventral view (Fig. 113) elongate, narrow, truncate at both ends, with a subapical crossbar; gonite in lateral view (Fig. 114) as a very shallow curved, rod-like process, slightly shorter in length than phallapodeme, in ventral view (Fig. 113) shallowly sinuous, tapered at both apices; hypandrium in lateral view (Fig. 114) narrowly developed, anterior half narrowly rectangular, thereafter posteriorly tapered to a point, in ventral view (Fig. 113) moderately deeply V-shaped, with base of V rectangular, robustly developed, extended lateral arms, thin, elongate, slightly oriented laterally, anterior margin truncate.
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</paragraph>
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<caption pageId="61" pageNumber="62">
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<paragraph pageId="61" pageNumber="62">
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Figures 111-114.
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<taxonomicName class="Insecta" family="Ephydridae" genus="Hydrochasma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hydrochasma parallelum" order="Diptera" pageId="61" pageNumber="62" phylum="Arthropoda" rank="species" species="parallelum">Hydrochasma parallelum</taxonomicName>
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sp. n. (Trinidad: St. Andrew: Low Manzanilla) 111 epandrium and cerci, posterior view 112 same, lateral view 113 internal structures of male terminalia (aedeagus [shaded], phallapodeme, gonite, hypandrium), ventral view 114 same, lateral view. Scale bar = 0.1 mm.
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection pageId="61" pageNumber="62" type="type material">
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<paragraph pageId="61" pageNumber="62">Type material.</paragraph>
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<paragraph pageId="61" pageNumber="62">
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The holotype male of
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<taxonomicName class="Insecta" family="Ephydridae" genus="Hydrochasma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hydrochasma parallelum" order="Diptera" pageId="61" pageNumber="62" phylum="Arthropoda" rank="species" species="parallelum">Hydrochasma parallelum</taxonomicName>
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is labeled "TRINIDAD. St. Andr[ew].: Low[er]. Manzanilla (16km S,
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<geoCoordinate direction="north" orientation="latitude" precision="925" value="10.366667">10°22'N</geoCoordinate>
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,
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<geoCoordinate direction="west" orientation="longitude" precision="925" value="-61.016666">61°01'W</geoCoordinate>
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)[,] 20Jun1993, WNMathis/USNM ENT 00285975 [plastic bar code label]/HOLOTYPE ♂
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<taxonomicName class="Insecta" family="Ephydridae" genus="Hydrochasma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hydrochasma parallelum" order="Diptera" pageId="61" pageNumber="62" phylum="Arthropoda" rank="species" species="parallelum">Hydrochasma parallelum</taxonomicName>
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Mathis & Zatwarnicki, USNM [red]." The holotype is double mounted (minuten in a block of plastic), is in excellent condition, and is deposited in the USNM. Five paratypes (1♂, 4♀; USNM) bear the same label data as the holotype.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="61" pageNumber="62" type="type locality">
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<paragraph pageId="61" pageNumber="62">Type locality.</paragraph>
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<paragraph pageId="61" pageNumber="62">
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Trinidad and Tobago. Trinidad. St. Andrew: Lower Manzanilla (16 km S;
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<geoCoordinate direction="north" orientation="latitude" precision="925" value="10.366667">10°22'N</geoCoordinate>
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,
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<geoCoordinate direction="west" orientation="longitude" precision="925" value="-61.016666">61°01'W</geoCoordinate>
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).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="61" pageNumber="62" type="distribution">
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<paragraph pageId="61" pageNumber="62">Distribution</paragraph>
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<paragraph pageId="61" pageNumber="62">(Fig. 105). Neotropical: Trinidad and Tobago.</paragraph>
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</subSubSection>
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<subSubSection pageId="61" pageNumber="62" type="etymology">
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<paragraph pageId="61" pageNumber="62">Etymology.</paragraph>
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<paragraph pageId="61" pageNumber="62">The species epithet, parallelum, is of Latin derivation and means parallel sided, referring to the parallel sided extensions of the epandrium.</paragraph>
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</subSubSection>
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<subSubSection pageId="61" pageNumber="62" type="remarks">
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<paragraph pageId="61" pageNumber="62">Remarks.</paragraph>
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<paragraph pageId="61" pageNumber="62">
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Structures of the male terminalia of this species are similar to those of
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<taxonomicName class="Insecta" family="Ephydridae" genus="Hydrochasma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hydrochasma dolabrutum" order="Diptera" pageId="61" pageNumber="62" phylum="Arthropoda" rank="species" species="dolabrutum">Hydrochasma dolabrutum</taxonomicName>
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but are distinguished from the latter species by having a comparatively more slender extended epandrial process (best seen in posterior view). Moreover, the hypandrium in general is thinner, more slenderly developed, and the anterior margin is truncate rather than being broadly rounded as in
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<taxonomicName class="Insecta" family="Ephydridae" genus="Hydrochasma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hydrochasma dolabrutum" order="Diptera" pageId="61" pageNumber="62" phylum="Arthropoda" rank="species" species="dolabrutum">Hydrochasma dolabrutum</taxonomicName>
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.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |