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<document ID-DOI="http://dx.doi.org/10.3897/zookeys.231.3687" ID-GBIF-Dataset="9f36ba97-970f-40b6-ab7b-339c1f4cc0ef" ID-PMC="PMC3494023" ID-Pensoft-Pub="1313-2970-231-1" ID-PubMed="23204912" ModsDocAuthor="" ModsDocDate="2012" ModsDocID="1313-2970-231-1" ModsDocOrigin="ZooKeys 231" ModsDocTitle="A revision of the new world species of Polytrichophora Cresson and Facitrichophora, new genus (Diptera, Ephydridae)" checkinTime="1451248656124" checkinUser="pensoft" docAuthor="Mathis, Wayne N. &amp; Zatwarnicki, Tadeusz" docDate="2012" docId="02CFD6AD25DCA41CB001913DE25662CD" docLanguage="en" docName="ZooKeys 231: 1-116" docOrigin="ZooKeys 231" docSource="http://dx.doi.org/10.3897/zookeys.231.3687" docTitle="Polytrichophora orbitalis" docType="treatment" docVersion="3" lastPageNumber="58" masterDocId="FFE9FFC5E821FFA5FFA88C0071260670" masterDocTitle="A revision of the new world species of Polytrichophora Cresson and Facitrichophora, new genus (Diptera, Ephydridae)" masterLastPageNumber="116" masterPageNumber="1" pageNumber="54" updateTime="1668154588673" updateUser="ExternalLinkService">
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<mods:title>A revision of the new world species of Polytrichophora Cresson and Facitrichophora, new genus (Diptera, Ephydridae)</mods:title>
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Mathis, Wayne N.</mods:namePart>
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<mods:namePart>Zatwarnicki, Tadeusz</mods:namePart>
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<mods:title>ZooKeys</mods:title>
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<mods:date>2012</mods:date>
<mods:detail type="volume">
<mods:number>231</mods:number>
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<mods:url>http://dx.doi.org/10.3897/zookeys.231.3687</mods:url>
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<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.3897/zookeys.231.3687</mods:identifier>
<mods:identifier type="Pensoft-Pub">1313-2970-231-1</mods:identifier>
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<treatment ID-GBIF-Taxon="152037422" LSID="urn:lsid:plazi:treatment:02CFD6AD25DCA41CB001913DE25662CD" httpUri="http://treatment.plazi.org/id/02CFD6AD25DCA41CB001913DE25662CD" lastPageId="57" lastPageNumber="58" pageId="53" pageNumber="54">
<subSubSection pageId="53" pageNumber="54" type="nomenclature">
<paragraph pageId="53" pageNumber="54">
<taxonomicName LSID="http://species-id.net/wiki/Polytrichophora_orbitalis" authority="Loew" class="Insecta" family="Ephydridae" genus="Polytrichophora" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Polytrichophora orbitalis" order="Diptera" pageId="53" pageNumber="54" phylum="Arthropoda" rank="species" species="orbitalis">Polytrichophora orbitalis (Loew)</taxonomicName>
Figs 9498
</paragraph>
</subSubSection>
<subSubSection pageId="53" pageNumber="54" type="reference_group">
<paragraph pageId="53" pageNumber="54">
<taxonomicName class="Insecta" family="Ephydridae" genus="Discocerina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Discocerina orbitalis" order="Diptera" pageId="53" pageNumber="54" phylum="Arthropoda" rank="species" species="orbitalis">Discocerina orbitalis</taxonomicName>
<bibRefCitation author="Loew, H" journalOrPublisher="Berliner Entomologische Zeitschrift" pageId="71" pageNumber="72" pagination="307 - 359" title="Diptera Americae septentrionalis indigena. Centuria prima." volume="5" year="1861">Loew 1861</bibRefCitation>
: 354.
</paragraph>
<paragraph pageId="53" pageNumber="54">
<taxonomicName class="Insecta" family="Ephydridae" genus="Polytrichophora" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Polytrichophora orbitalis" order="Diptera" pageId="53" pageNumber="54" phylum="Arthropoda" rank="species" species="orbitalis">Polytrichophora orbitalis</taxonomicName>
.
<bibRefCitation author="Cresson, ET Jr" journalOrPublisher="Entomological News" pageId="71" pageNumber="72" pagination="159 - 164" title="Descriptions of new genera and species of the dipterous family Ephydridae. Paper VI." volume="35" year="1924">Cresson 1924</bibRefCitation>
: 161 [generic combination];
<bibRefCitation author="Cresson, ET Jr" journalOrPublisher="Transactions of the American Entomological Society" pageId="71" pageNumber="72" pagination="101 - 128" title="Synopses of North American Ephydridae (Diptera) I. The subfamily Psilopinae, with descriptions of new species." volume="68" year="1942">1942</bibRefCitation>
: 114 [review of Nearctic fauna].
<bibRefCitation pageId="53" pageNumber="54">Wirth 1965</bibRefCitation>
: 740 [Nearctic catalog].
<bibRefCitation author="Mathis, WN" journalOrPublisher="Memoirs on Entomology, International" pageId="71" pageNumber="72" title="A world catalog of the shore flies (Diptera: Ephydridae)." volume="4" year="1995">Mathis and Zatwarnicki 1995</bibRefCitation>
: 185-186 [world catalog].
<bibRefCitation author="Zatwarnicki, T" journalOrPublisher="Annales Zoologici" pageId="71" pageNumber="72" pagination="5 - 51" title="A generic classification of the tribe Discocerinini (Diptera: Ephydridae)." volume="51" year="2001">Zatwarnicki and Mathis 2001</bibRefCitation>
: 49 [figs. ♂ terminalia].
</paragraph>
</subSubSection>
<subSubSection lastPageId="54" lastPageNumber="55" pageId="53" pageNumber="54" type="diagnosis">
<paragraph pageId="53" pageNumber="54">Diagnosis.</paragraph>
<paragraph pageId="53" pageNumber="54">This species is distinguished from congeners by the following combination of characters: Small to moderately small shore flies, body length 1.40-2.10 mm.</paragraph>
<paragraph pageId="53" pageNumber="54">Head: Frons largely dull to faintly subshiny, brown with moderate investment of gray to yellowish gray microtomentum, anterior margin with some orange coloration; fronto-orbits narrow, gray to whitish gray. Antenna mostly yellow; basal flagellomere tannish yellow apicodorsally; arista with 5 dorsal rays. Face at narrowest point about equal to combined length of pedicel and basal flagellomere; face more densely microtomentose than frons, microtomentum with faintly shiny, mostly gray to whitish gray; parafacial and gena becoming slightly more whitish to silvery white than face; parafacial becoming wider ventrally with moderate ventral dilation; gena moderately high, height less than combined length of pedicel and basal flagellomere; gena-to-eye ratio 0.11-0.13.</paragraph>
<paragraph lastPageId="54" lastPageNumber="55" pageId="53" pageNumber="54">
Thorax: Mesonotum mostly dull to faintly subshiny, moderately densely microtomentose, mostly tan to brown, becoming gray laterally and anteriorly; pleural area mostly gray. Anterior margin of wing lacking spine-like setae; costal vein ratio
<pageBreakToken pageId="54" pageNumber="55" start="start">0.81</pageBreakToken>
-0.95; M vein ratio 0.45-0.47. Legs, including most of coxae, yellow; forefemur lacking a row of 9-10 short, stout setulae along apical half of anteroventral surface; forefemur with a row of 4-5, of moderately well-developed, evenly spaced posteroventral setae on apical half, each seta less than width of femur; tibiae mostly gray, only apices yellowish; basal tarsomeres yellow, apical 1-2 becoming slightly darker, mostly tannish yellow.
</paragraph>
<paragraph pageId="54" pageNumber="55">Abdomen: Tergites dull to subshiny, gray to blackish brown; tergite 5 of male pointed apically, lacking row of 6-10, distinctly larger setae along extreme posterior margin with posterodorsal orientation. Male terminalia (Figs 94-97): Epandrium in posterior view (Fig. 94) generally elliptical, more or less uniformly setulose, dorsal margin rounded, both ventral extensions pointed, narrowly connected dorsally, in lateral view (Fig. 95) with ventral apex acutely pointed, cercus large, conspicuous; aedeagus tubular, tapered toward apex in lateral view to acute, partially recurved point, in ventral view (Fig. 96) narrowly elongate with lateral margins sinuous; phallapodeme in lateral view (Fig. 97) roughly triangular with extended keel truncate apically, in ventral view (Fig. 96) clavate with basal margin bluntly rounded; gonite in lateral view (Fig. 97) narrowly elongate, sinuous, in ventral view (Fig. 96) conspicuously arched, narrow, parallel sided; hypandrium in lateral view (Fig. 97) elongate, with lateral, irregular extension, in ventral view (Fig. 96) more or less broadly triangular, pointed anteriorly, posterior margin as 2 lateral projections, lateral one pointed, medial one wider and truncate apically.</paragraph>
</subSubSection>
<subSubSection pageId="54" pageNumber="55" type="type material">
<paragraph pageId="54" pageNumber="55">Type material.</paragraph>
<paragraph pageId="54" pageNumber="55">The lectotype female (not a male as Loew stated in the original description), designated herein, is labeled &quot;[United States. District of Columbia] Loew Coll./orbitalis [handwritten]/Type 11147 [red, number handwritten]/Polytrichophora orbitalis (Lw.) det WWirth '[19]61 [species name handwritten, black submarginal border]/LECTOTYPE Discocerina orbitalis Loew ♀ By W. N.Mathis 1990 [species name and designator handwritten, black submarginal border].&quot; The lectotype is double mounted (pin in a rectangular cork base), is in fair condition (pinned through base of abdomen, small amounts of verdigris, especially beneath the specimen), and is deposited in the MCZ (11147).</paragraph>
</subSubSection>
<subSubSection pageId="54" pageNumber="55" type="type locality">
<paragraph pageId="54" pageNumber="55">Type locality.</paragraph>
<paragraph pageId="54" pageNumber="55">
United States. District of Columbia: Washington (
<geoCoordinate direction="north" orientation="latitude" precision="92" value="38.83">38°49.8'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="92" value="-77.01">77°00.6'W</geoCoordinate>
).
</paragraph>
</subSubSection>
<subSubSection lastPageId="57" lastPageNumber="58" pageId="54" pageNumber="55" type="other specimens examined">
<paragraph pageId="54" pageNumber="55">Other specimens examined.</paragraph>
<paragraph pageId="54" pageNumber="55">
Nearctic. CANADA. QUEBEC. Lac Meech (
<geoCoordinate direction="north" orientation="latitude" precision="92" value="45.543335">45°32.6'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="92" value="-73.903336">73°54.2'W</geoCoordinate>
), 6 Jun 1960, W. W. Wirth (1♂; USNM).
</paragraph>
<paragraph pageId="54" pageNumber="55">
UNITED STATES. CONNECTICUT. Canaan: Falls Village (
<geoCoordinate direction="north" orientation="latitude" precision="92" value="41.956665">41°57.4'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="92" value="-73.363335">73°21.8'W</geoCoordinate>
), 29 Aug 1962, A. Stone (1♀; USNM). Fairfield: Putnam Park (
<geoCoordinate direction="north" orientation="latitude" precision="925" value="41.033333">41°02'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="92" value="-73.611664">73°36.7'W</geoCoordinate>
), 22 Jul 1939, A. L. Melander (1♂; USNM). Windham: Eastford (
<geoCoordinate direction="north" orientation="latitude" precision="92" value="41.893333">41°53.6'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="92" value="-72.096664">72°05.8'W</geoCoordinate>
), 25 Aug 1954, A. H. Sturtevant (1♂, 3♀; USNM).
</paragraph>
<paragraph pageId="54" pageNumber="55">
DISTRICT OF COLUMBIA. Theodore Roosevelt Island (
<geoCoordinate direction="north" orientation="latitude" precision="92" value="38.895">38°53.7'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="92" value="-77.06167">77°03.7'W</geoCoordinate>
), 14 May 1977, W. N. Mathis (1♂; USNM); Washington (
<geoCoordinate direction="north" orientation="latitude" precision="92" value="38.83">38°49.8'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="92" value="-77.01">77°00.6'W</geoCoordinate>
), D. L. Coquillett (1♂, 1♀; USNM).
</paragraph>
<paragraph pageId="54" pageNumber="55">
MAINE. Waldo: Belfast (
<geoCoordinate direction="north" orientation="latitude" precision="92" value="44.426666">44°25.6'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="92" value="-69.00667">69°0.4'W</geoCoordinate>
), 16-20 Sep 1946, C. W. Sabrosky (1♀; USNM).
</paragraph>
<paragraph lastPageId="55" lastPageNumber="56" pageId="54" pageNumber="55">
MARYLAND. Anne Arundel: Edgewater (6 km S;
<geoCoordinate direction="north" orientation="latitude" precision="925" value="38.883335">38°53'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="925" value="-76.55">76°33'W</geoCoordinate>
; Smithsonian Environmental Research Center), 4 Aug 1994, W. N. Mathis (4♂, 1♀; USNM).
<pageBreakToken pageId="55" pageNumber="56" start="start">Carroll</pageBreakToken>
: Eldersburg (
<geoCoordinate direction="north" orientation="latitude" precision="92" value="39.40333">39°24.2'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="925" value="-76.95">76°57'W</geoCoordinate>
), 2 Jun 1985, J. E. Lowry, W. E. Steiner (1♀; USNM). Frederick: Point of Rocks (7.6 km W, 1.6 km N;
<geoCoordinate direction="north" orientation="latitude" precision="92" value="39.27667">39°16.6'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="92" value="-77.53167">77°31.9'W</geoCoordinate>
), 11 Jul 1982, G. F. and J. F. Hevel (1♂; USNM). Garrett: Broadford Lake (
<geoCoordinate direction="north" orientation="latitude" precision="92" value="39.411667">39°24.7'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="92" value="-79.37334">79°22.4'W</geoCoordinate>
; 750 m), 20 Jun 2007, D. and W. N. Mathis (1♂, 1♀; USNM); Cranesville Swamp (
<geoCoordinate direction="north" orientation="latitude" precision="92" value="39.531666">39°31.9'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="92" value="-79.485">79°29.1'W</geoCoordinate>
; 775 m), 24 Aug 2006, D. and W. N. Mathis (1♂; USNM); Savage River (
<geoCoordinate direction="north" orientation="latitude" precision="92" value="39.501667">39°30.1'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="92" value="-79.115">79°06.9'W</geoCoordinate>
; 400 m), 23 Aug 2006, D. and W. N. Mathis (8♂, 1♀; USNM); Savage River Reservoir (near Floyd;
<geoCoordinate direction="north" orientation="latitude" precision="92" value="39.511665">39°30.7'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="92" value="-79.155">79°09.3'W</geoCoordinate>
; 420 m), 23 Aug 2006, D. and W. N. Mathis (2♂; USNM). Montgomery: Cabin John (
<geoCoordinate direction="north" orientation="latitude" precision="92" value="38.975">38°58.5'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="92" value="-77.15833">77°09.5'W</geoCoordinate>
), 25 Jul 1972, G. C. Steyskal (1♂; USNM); Clarksburg, Little Bennett Regional Park (
<geoCoordinate direction="north" orientation="latitude" precision="925" value="39.266666">39°16'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="92" value="-77.28">77°16.8'W</geoCoordinate>
), 21 Sep 1990, M. J. and R. Molineaux, W. E. Steiner (2♂; USNM); Glen Echo (
<geoCoordinate direction="north" orientation="latitude" precision="92" value="38.968334">38°58.1'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="92" value="-77.14">77°08.4'W</geoCoordinate>
), 22 Aug 1922, W. L. McAtee (1♂; USNM); McKee-Beshers (
<geoCoordinate direction="north" orientation="latitude" precision="925" value="39.083332">39°05'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="92" value="-77.405">77°24.3'W</geoCoordinate>
), 7 Mar 2005, D. and W. N. Mathis (1♂, 1♀; USNM); Wheaton (
<geoCoordinate direction="north" orientation="latitude" precision="92" value="39.038334">39°02.3'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="92" value="-77.055">77°03.3'W</geoCoordinate>
), 26 Jul 1979, A. Freidberg (1♂; USNM). Prince George'S: Bladensburg (
<geoCoordinate direction="north" orientation="latitude" precision="92" value="38.94">38°56.4'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="925" value="-76.933334">76°56'W</geoCoordinate>
), 23 Sep 1915, R. C. Shannon (1♂; ANSP); Patuxent Wildlife Research Center (
<geoCoordinate direction="north" orientation="latitude" precision="925" value="39.05">39°03'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="92" value="-76.80334">76°48.2'W</geoCoordinate>
), 9 Jun 1967, W. W. Wirth (4♂, 3♀; USNM).
</paragraph>
<paragraph pageId="55" pageNumber="56">
MASSACHUSETTS. Barnstable: Waquoit (
<geoCoordinate direction="north" orientation="latitude" precision="92" value="41.59">41°35.4'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="92" value="-70.52167">70°31.3'W</geoCoordinate>
), 16 Jul 1939, A. H. Sturtevant (1♂; USNM); Woods Hole (
<geoCoordinate direction="north" orientation="latitude" precision="92" value="42.535">42°32.1'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="92" value="-70.66">70°39.6'W</geoCoordinate>
), 4 Sep 1950, A. H. Sturtevant (1♂; USNM).
</paragraph>
<paragraph pageId="55" pageNumber="56">
MICHIGAN. Midland: Midland (
<geoCoordinate direction="north" orientation="latitude" precision="92" value="43.615">43°36.9'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="92" value="-84.246666">84°14.8'W</geoCoordinate>
), 28 Aug 1943, R. R. Dreisbach (1♂; USNM). Wayne: Detroit (
<geoCoordinate direction="north" orientation="latitude" precision="925" value="42.35">42°21'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="92" value="-83.041664">83°02.5'W</geoCoordinate>
), 2
<normalizedToken originalValue="May">May-</normalizedToken>
1 Jul 1938, 1944, G. C. Steyskal (4♀; ANSP, USNM).
</paragraph>
<paragraph pageId="55" pageNumber="56">
NEW HAMPSHIRE. Grafton: Franconia Notch (
<geoCoordinate direction="north" orientation="latitude" precision="92" value="44.141666">44°08.5'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="92" value="-71.68833">71°41.3'W</geoCoordinate>
), 8 Jul 1931, J. M. Aldrich (1♂; USNM).
</paragraph>
<paragraph pageId="55" pageNumber="56">
NEW YORK. Cattaraugus: Allegany State Park, Salamanca (
<geoCoordinate direction="north" orientation="latitude" precision="92" value="42.106667">42°06.4'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="92" value="-78.763336">78°45.8'W</geoCoordinate>
), 28 May-3 Jun 1963, W. W. Wirth (1♂; USNM). Richmond: South Beach, Staten Island (
<geoCoordinate direction="north" orientation="latitude" precision="92" value="40.59">40°35.4'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="92" value="-74.09167">74°05.5'W</geoCoordinate>
), 7 Oct 1916, A. H. Sturtevant (1♀; USNM). Rockland: Nyack (W;
<geoCoordinate direction="north" orientation="latitude" precision="92" value="41.09">41°05.4'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="92" value="-73.918335">73°55.1'W</geoCoordinate>
), 11 Jun 1939, A. L. Melander (1♀; ANSP, USNM). Suffolk: Cold Spring Harbor, Long Island (
<geoCoordinate direction="north" orientation="latitude" precision="92" value="40.871666">40°52.3'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="92" value="-73.456665">73°27.4'W</geoCoordinate>
), Aug, A. L. Melander (1♂, 1♀; ANSP, USNM). Sullivan: Beaverkill (
<geoCoordinate direction="north" orientation="latitude" precision="92" value="41.981667">41°58.9'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="92" value="-74.835">74°50.1'W</geoCoordinate>
), 10 Aug 1909, E. T. Cresson, Jr. (1♀; ANSP). Wyoming: Letchworth State Park (
<geoCoordinate direction="north" orientation="latitude" precision="92" value="42.641666">42°38.5'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="92" value="-77.98167">77°58.9'W</geoCoordinate>
), 13 Jun 1963, W. W. Wirth (3♂, 1♀; USNM).
</paragraph>
<paragraph pageId="55" pageNumber="56">
OHIO. Ashtabula: Pymatuning Lake State Park (
<geoCoordinate direction="north" orientation="latitude" precision="92" value="41.656666">41°39.4'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="92" value="-80.46167">80°27.7'W</geoCoordinate>
), 13 Sep 1976, B. A. Steinly (2♂, 2♀; USNM). Highland: Rocky Fork State Park (
<geoCoordinate direction="north" orientation="latitude" precision="92" value="39.178333">39°10.7'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="925" value="-83.51667">83°31'W</geoCoordinate>
), 17 Jul 1974, J. Regensberg (1♂; USNM). Loraine: Beaver Creek near Amherst (
<geoCoordinate direction="north" orientation="latitude" precision="92" value="41.40333">41°24.2'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="925" value="-82.23333">82°14'W</geoCoordinate>
), 22 Aug 1977, B. A. Steinly (23♂, 25♀; USNM). Lawrence: Vesuvius Lake (
<geoCoordinate direction="north" orientation="latitude" precision="92" value="38.576668">38°34.6'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="92" value="-82.625">82°37.5'W</geoCoordinate>
), 23 Aug 1974, J. Regensberg (6♂, 2♀; USNM). Meigs: Forked Run (
<geoCoordinate direction="north" orientation="latitude" precision="92" value="39.065">39°03.9'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="92" value="-81.77167">81°46.3'W</geoCoordinate>
), 27 Aug 1974, J. Regensberg (1♂, 1♀; USNM). Mercer: Grand Lake, St. Marys near Montezuma (
<geoCoordinate direction="north" orientation="latitude" precision="92" value="40.493332">40°29.6'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="925" value="-84.55">84°33'W</geoCoordinate>
), 26 May 1977 B. A. Steinly (2♂, 2♀; USNM). Morgan: Oregonia (
<geoCoordinate direction="north" orientation="latitude" precision="925" value="39.066666">39°04'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="92" value="-84.22">84°13.2'W</geoCoordinate>
), 14 Jul 1974, J. Regensberg (2♂, 5♀; USNM).
</paragraph>
<paragraph lastPageId="56" lastPageNumber="57" pageId="55" pageNumber="56">
PENNSYLVANIA. Allegheny: Jacks Run, Allegheny, 14 Jun 1908 (1♂; ANSP). Delaware: Swarthmore (
<geoCoordinate direction="north" orientation="latitude" precision="92" value="39.901665">39°54.1'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="92" value="-75.35167">75°21.1'W</geoCoordinate>
), 19 Jun-16 Aug 1908, 1920, E.
<pageBreakToken pageId="56" pageNumber="57" start="start">T</pageBreakToken>
. Cresson, Jr. (11♂, 9♀; ANSP). Erie: Presque Isle State Park, Thompson'S Bay (
<geoCoordinate direction="north" orientation="latitude" precision="92" value="42.138332">42°08.3'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="925" value="-80.11667">80°07'W</geoCoordinate>
), 6 May 1977, B. A. Steinly (1♂, 1♀; USNM).Montgomery: Lansdale (
<geoCoordinate direction="north" orientation="latitude" precision="92" value="40.241665">40°14.5'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="92" value="-75.285">75°17.1'W</geoCoordinate>
), 12 Jul 1908 (1♀; ANSP); Narberth (3.2 km N;
<geoCoordinate direction="north" orientation="latitude" precision="92" value="40.175">40°10.5'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="92" value="-75.26">75°15.6'W</geoCoordinate>
), 9 Sep 1915, E. T. Cresson, Jr. (1♂; ANSP).
</paragraph>
<paragraph lastPageId="57" lastPageNumber="58" pageId="56" pageNumber="57">
VIRGINIA. Accomack: Assateague Island, near Refuge headquarters (
<geoCoordinate direction="north" orientation="latitude" precision="92" value="37.908333">37°54.5'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="92" value="-75.36">75°21.6'W</geoCoordinate>
), 15
<normalizedToken originalValue="Jun">Jun-</normalizedToken>
3 Oct 2005, 2007, D. and W. N. Mathis (13♂, 4♀; USNM). Arlington: Barcroft Park, 4-Mile Run (
<geoCoordinate direction="north" orientation="latitude" precision="92" value="38.84667">38°50.8'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="92" value="-77.10167">77°06.1'W</geoCoordinate>
), 9 Oct 2006, H. B. Williams (1♂; USNM). Chesterfield: Pocahontas State Park (
<geoCoordinate direction="north" orientation="latitude" precision="92" value="37.385">37°23.1'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="92" value="-77.54">77°32.4'W</geoCoordinate>
), 11 May 2002, D. and W. N. Mathis (1♂; USNM). Culpeper: Lake Pelham (
<geoCoordinate direction="north" orientation="latitude" precision="92" value="38.463333">38°27.8'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="92" value="-78.045">78°02.7'W</geoCoordinate>
), 28 Apr 2006, D. and W. N. Mathis (9♂, 3♀; USNM). Fairfax: Dead Run (mouth;
<geoCoordinate direction="north" orientation="latitude" precision="925" value="38.966667">38°58'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="92" value="-77.17333">77°10.4'W</geoCoordinate>
), 24 Apr 2006, D. and W. N. Mathis (9♂, 10♀; USNM); Great Falls (Clay Pond;
<geoCoordinate direction="north" orientation="latitude" precision="92" value="39.001667">39°00.1'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="92" value="-77.25667">77°15.4'W</geoCoordinate>
), 23
<normalizedToken originalValue="Apr">Apr-</normalizedToken>
13 Sep 2006, 2007, D. and W. N. Mathis, H. B. Williams, T. Zatwarnicki (51♂, 18♀; USNM); Great Falls (quarry;
<geoCoordinate direction="north" orientation="latitude" precision="92" value="38.985">38°59.1'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="92" value="-77.246666">77°14.8'W</geoCoordinate>
; 50 m), 23 Apr 2007, D. and W. N. Mathis (1♂, 1♀; USNM); Great Falls (swamp trail;
<geoCoordinate direction="north" orientation="latitude" precision="92" value="38.99">38°59.4'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="92" value="-77.253334">77°15.2'W</geoCoordinate>
), 12 May 2006, D. and W. N. Mathis (11♂, 2♀; USNM); Great Falls (Potomac River;
<geoCoordinate direction="north" orientation="latitude" precision="92" value="39.003334">39°0.2'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="92" value="-77.253334">77°15.2'W</geoCoordinate>
), 13 Sep 2007, D. and W. N. Mathis, H. B. Williams (1♂; USNM); Great Falls (Patowmack Canal;
<geoCoordinate direction="north" orientation="latitude" precision="92" value="39.001667">39°00.1'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="92" value="-77.253334">77°15.2'W</geoCoordinate>
), 27
<normalizedToken originalValue="Jun">Jun-</normalizedToken>
29 Aug 2006, 2007, D. and W. N. Mathis (21♂, 7♀; USNM); Great Falls (quarry;
<geoCoordinate direction="north" orientation="latitude" precision="92" value="38.985">38°59.1'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="92" value="-77.246666">77°14.8'W</geoCoordinate>
; 50 m), 13 Jun 2007, D. and W. N. Mathis (4♂; USNM); Turkey Run (
<geoCoordinate direction="north" orientation="latitude" precision="92" value="38.963333">38°57.8'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="92" value="-77.15667">77°09.4'W</geoCoordinate>
), 4 May 2006, D. and W. N. Mathis
<pageBreakToken pageId="57" pageNumber="58" start="start">(</pageBreakToken>
6♂, 2♀; USNM); Turkey Run (mouth;
<geoCoordinate direction="north" orientation="latitude" precision="92" value="38.965">38°57.9'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="92" value="-77.15667">77°09.4'W</geoCoordinate>
), 20 Apr-17 Sep 2006, 2007, D. and W. N. Mathis, H. B. Williams, T. Zatwarnicki (85♂, 15♀; USNM). Grayson: Galax (15 km S; Chestnut Creek;
<geoCoordinate direction="north" orientation="latitude" precision="92" value="36.581665">36°34.9'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="92" value="-80.89167">80°53.5'W</geoCoordinate>
), 28 Jun 1986, W. E. Steiner (1♂, 1♀; USNM). Henry: Martinsville Reservoir (
<geoCoordinate direction="north" orientation="latitude" precision="92" value="36.745">36°44.7'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="92" value="-79.87">79°52.2'W</geoCoordinate>
), 17 May 2005, D. and W. N. Mathis (1♂; USNM). Madison: Criglersville (1.6 km W;
<geoCoordinate direction="north" orientation="latitude" precision="92" value="38.47333">38°28.4'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="92" value="-78.331665">78°19.9'W</geoCoordinate>
; 185 m; Robinson River), 19
<normalizedToken originalValue="May">May-</normalizedToken>
1 Jul 2005, D. and W. N. Mathis (1♂, 2♀; USNM). Middlesex: Dragon Run (
<geoCoordinate direction="north" orientation="latitude" precision="925" value="37.633335">37°38'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="92" value="-76.695">76°41.7'W</geoCoordinate>
), 17 Sep 2004, D. and W. N. Mathis (10♂, 3♀; USNM). Patrick: Meadows of Dan (
<geoCoordinate direction="north" orientation="latitude" precision="92" value="36.736668">36°44.2'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="92" value="-80.38167">80°22.9'W</geoCoordinate>
), 18 May 2005, D. and W. N. Mathis (3♂, 5♀; USNM). Prince William: Prince William Forest Park: (
<geoCoordinate direction="north" orientation="latitude" precision="925" value="38.566666">38°34'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="925" value="-77.36667">77°22'W</geoCoordinate>
; Carter Pond), 13 Aug 1993, D. and W. N. Mathis (2♂, 1♀; USNM); Prince William Forest Park, South Quantico Creek (shoreline,
<geoCoordinate direction="north" orientation="latitude" precision="925" value="38.566666">38°34'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="925" value="-77.36667">77°22'W</geoCoordinate>
), 10 Jul-13 Aug 1993, D. and W. N. Mathis (18♂, 21♀; USNM). Roanoke: Salem (Roanoke River;
<geoCoordinate direction="north" orientation="latitude" precision="92" value="37.268333">37°16.1'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="92" value="-80.03667">80°02.2'W</geoCoordinate>
; 300 m), 23 Sep 2007, D. and W. N. Mathis (4♂, 1♀; USNM). Spotsylvania: Rappahannock River (
<geoCoordinate direction="north" orientation="latitude" precision="92" value="38.31333">38°18.8'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="92" value="-77.541664">77°32.5'W</geoCoordinate>
), 15 Apr-14 Aug 2006, 2007, D. and W. N. Mathis (11♂, 6♀; USNM). Stafford: Aquia Creek (
<geoCoordinate direction="north" orientation="latitude" precision="92" value="38.485">38°29.1'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="92" value="-77.39667">77°23.8'W</geoCoordinate>
), 6 Jun 2005, D. and W. N. Mathis (1♀; USNM); Aquia Harbour (
<geoCoordinate direction="north" orientation="latitude" precision="92" value="38.465">38°27.9'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="92" value="-77.388336">77°23.3'W</geoCoordinate>
), 15
<normalizedToken originalValue="May">May-</normalizedToken>
21 Jul 1988, 2000, D. and W. N. Mathis (29♂, 7♀; USNM); Aquia Harbour, Lions Park (
<geoCoordinate direction="north" orientation="latitude" precision="925" value="38.45">38°27'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="92" value="-77.388336">77°23.3'W</geoCoordinate>
), 10 Apr-4 Nov 2003, 2005, 2006, 2007, D. and W. N. Mathis (32♂, 7♀; USNM); Curtis Park Lake (
<geoCoordinate direction="north" orientation="latitude" precision="925" value="38.433334">38°26'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="92" value="-77.555">77°33.3'W</geoCoordinate>
), 2 Jul 2005, D. Mathis (1♀; USNM); Falmouth (
<geoCoordinate direction="north" orientation="latitude" precision="92" value="38.32">38°19.2'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="92" value="-77.46833">77°28.1'W</geoCoordinate>
; Rappahannock River; 9 m), 30 Jun 2007, D. and W. N. Mathis (3♂; USNM); Lunga Reservoir (
<geoCoordinate direction="north" orientation="latitude" precision="925" value="38.533333">38°32'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="92" value="-77.456665">77°27.4'W</geoCoordinate>
), 27 Apr 2006, D. and W. N. Mathis (1♀; USNM). Westmoreland: Westmoreland State Park (
<geoCoordinate direction="north" orientation="latitude" precision="92" value="38.161667">38°09.7'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="92" value="-76.865">76°51.9'W</geoCoordinate>
), 16 Sep 1994, D. and W. N. Mathis (3♂, 2♀; USNM). Independent Cities: Fredericksburg (Rappahannock River;
<geoCoordinate direction="north" orientation="latitude" precision="92" value="38.305">38°18.3'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="92" value="-77.458336">77°27.5'W</geoCoordinate>
), 14 Apr 2006, D. and W. N. Mathis (1♂, 5♀; USNM); Norfolk (
<geoCoordinate direction="north" orientation="latitude" precision="92" value="36.84667">36°50.8'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="92" value="-76.285">76°17.1'W</geoCoordinate>
), 14 Aug 1969, G. C. Steyskal (1♂; USNM).
</paragraph>
<paragraph pageId="57" pageNumber="58">
WEST VIRGINIA. Hardy: Baker (
<geoCoordinate direction="north" orientation="latitude" precision="92" value="39.041668">39°02.5'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="92" value="-78.74834">78°44.9'W</geoCoordinate>
; 405 m), 12 Jul 2007, D. and W. N. Mathis (2♂, 1♀; USNM); Mathias (
<geoCoordinate direction="north" orientation="latitude" precision="92" value="38.876667">38°52.6'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="925" value="-78.86667">78°52'W</geoCoordinate>
; 465 m), 13 Jul 2007, D. and W. N. Mathis (1♂, 1♀; USNM); Trout Pond (
<geoCoordinate direction="north" orientation="latitude" precision="92" value="38.956665">38°57.4'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="92" value="-78.736664">78°44.2'W</geoCoordinate>
; 595 m), 13 Jul 2007, D. and W. N. Mathis (5♂; USNM). McDowell: Roderfield (
<geoCoordinate direction="north" orientation="latitude" precision="92" value="37.445">37°26.7'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="92" value="-81.70333">81°42.2'W</geoCoordinate>
; 335 m), 25 Sep 2007, D. and W. N. Mathis (1♂, 1♀; USNM). Mercer: Ceres (Kee Reservoir;
<geoCoordinate direction="north" orientation="latitude" precision="92" value="37.306667">37°18.4'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="92" value="-81.17333">81°10.4'W</geoCoordinate>
; 757 m), 24 Sep 2007, D. and W. N. Mathis (1♂; USNM). Summers: Bluestone State Park (
<geoCoordinate direction="north" orientation="latitude" precision="92" value="37.611668">37°36.7'N</geoCoordinate>
,
<geoCoordinate direction="west" orientation="longitude" precision="92" value="-80.935">80°56.1'W</geoCoordinate>
; 440 m), 26 Sep 2007, D. and W. N. Mathis (1♂; USNM).
</paragraph>
</subSubSection>
<subSubSection pageId="57" pageNumber="58" type="distribution">
<paragraph pageId="57" pageNumber="58">Distribution</paragraph>
<paragraph pageId="57" pageNumber="58">(Fig. 98). Nearctic: Canada (Quebec), United States (Connecticut, District of Columbia, Maine, Maryland, Massachusetts, Michigan, New Hampshire, New York, Ohio, Pennsylvania, Virginia, West Virginia).</paragraph>
</subSubSection>
<subSubSection pageId="57" pageNumber="58" type="remarks">
<paragraph pageId="57" pageNumber="58">Remarks.</paragraph>
<paragraph pageId="57" pageNumber="58">This is the nominate species of the orbitalis group and is distinguished by characters of the male terminalia as follows: Area between anterior arms of the hypandrium membranous; the ventral margin of the epandrium is abruptly tapered to apex; and the hypandrium is small and weakly sclerotized (Figs 94-97).</paragraph>
<caption pageId="57" pageNumber="58">
<paragraph pageId="57" pageNumber="58">
Figures 94-97. Illustration of
<taxonomicName class="Insecta" family="Ephydridae" genus="Polytrichophora" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Polytrichophora orbitalis" order="Diptera" pageId="57" pageNumber="58" phylum="Arthropoda" rank="species" species="orbitalis">Polytrichophora orbitalis</taxonomicName>
(Loew) (male) (Ohio. Morgan: Oregonia) 94 epandrium and cerci, posterior view 95 same, lateral view 96 internal structures of male terminalia (aedeagus [shaded], phallapodeme, gonite, hypandrium), ventral view 97 same, lateral view. Scale bar = 0.1 mm.
</paragraph>
</caption>
<caption pageId="57" pageNumber="58">
<paragraph pageId="57" pageNumber="58">
Figure 98. Distribution of
<taxonomicName class="Insecta" family="Ephydridae" genus="Polytrichophora" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Polytrichophora orbitalis" order="Diptera" pageId="57" pageNumber="58" phylum="Arthropoda" rank="species" species="orbitalis">Polytrichophora orbitalis</taxonomicName>
(Loew).
</paragraph>
</caption>
</subSubSection>
</treatment>
</document>