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Paracoenia (Paracoenia) wirthi Mathis
No full text5. <i>Paracoenia (Paracoenia) wirthi</i> Mathis <p>Figs. 27–34, Map 5</p> <p> <i>Paracoenia (Paracoenia) wirthi</i> Mathis 1975: 78 [United States. California. Inyo: Tecopa Hot Springs (1.6 km N); HT ♂, CAS (12033)].— Mathis 1980: 9 –11 [revision].— Mathis and Zatwarnicki 1995: 251 [world catalog].</p> <p> <b>Diagnosis.</b> This species is distinguished from congeners, especially <i>P. bisetosa,</i> by the following combination of characters: Medium-sized shore flies, body length 3.12–3.65 mm; subshiny dorsally, bluish green to green metallic luster.</p> <p> <i>Head</i> (Figs. 27–28): Mesofrons greenish blue, shiny; fronto-orbital areas dark brown, microtomentose to subshiny. Face densely microtomentose, grayish tank, dorsum of facial hump slightly darker than face, grayer; paravertical setae shorter than their distance apart; gena-to-eye ratio 0.30; eye ratio 0.64, height-to-length ratio 0.91; eye-width-to-face-length ratio 0.44.</p> <p> <i>Thorax:</i> Mesonotum (Fig. 29) with anterior area slightly microtomentose, becoming subshiny to shiny posteriorly; acrostichal setulae in 3–4 rows anteriorly, becoming irregular, 5–6 rows posteriorly. Mesopleuron with more subdued coloration than mesonotum, mostly olivaceous gray. Wing nearly transparent to faintly brown.</p> <p> <i>Abdomen:</i> Concolorous with mesonotum; digitiform lateral process of male tergite 5 elongate, acutely pointed apically; male sternite 5 (Fig. 34) broadly U-shaped with posteriorly extended arms oriented posteriorly, acutely pointed, anterior margin somewhat truncate, posterior margin moderately deeply emarginate. Male terminalia (Figs. 30–32): Surstylus in posterior view with base robustly developed, width 3X apical width, thereafter abruptly narrowed with apical extension narrowly digitiform; medial triangular process less than half length of surstylar arm, not cleft apicomedially; gonite more or less triangular, sider basally, apical half tapered, apex digitiform, apex rounded. Female ventral receptacle as in Fig. 33 with large, mushroom-like operculum.</p> <p> <b>MAP 5.</b> Distribution map for <i>Paracoenia wirthi</i> Mathis.</p> <p> <b>Type material.</b> The holotype male is labeled “ USA. CALIF. Inyo Co 1 mi N Tecopa Hot Spg 24 June 1974 [,] Wayne N. Mathis/ HOLOTYPE <i>Paracoenia wirthi</i> Mathis [red; 12033].” Allotype and 21 paratypes (7♂, 14♀; CAS, USNM) bear the same label data as the holotype. Other paratypes as listed in Mathis (1975:78). The holotype male is double mounted (minute nadel), is in excellent condition, and is deposited in the CAS (12033).</p> <p> <b>Type locality.</b> United States. California. Inyo: Tecopa Hot Springs (1.6 km N; 35°52.7'N, 116°13.9'W); HT ♂, CAS (12033).</p> <p> <b>Other specimens examined.</b> <i>MEXICO. Baja California:</i> Guadalupe Canyon (32°09.3'N, 115°47.4'W), 19 May 1957, F. X. Williams (1♂, 3♀; CAS). <i>Distrito Federal:</i> Mixquic, Chalco Lake (9 km NW; 19°15.5'N, 98°58.6'W), 1 Aug 1965, K. R. Valley (4♂, 16♀; CAS, USNM).</p> <p> <b>Distribution</b> (Map 5). Nearctic: United States (California). Neotropical: Mexico (Baja California, Distrito Federal).</p> <p> <b>Remarks.</b> This species is similar to <i>P. bi s pi no s a</i> but is slightly smaller in body length and less setulose. The ventral margin of the male sternite five is broadly U-shaped, and the connecting bridge is wide; the male tergite five is produced into an acutely pointed process; and the surstylus is more robustly developed basally, and the distal surstylar extensions are narrowly digitiform; the gonite is narrowed toward the apex, and the apex is digitiform, apically rounded.</p>Published as part of <i>Mathis, Wayne N. & Marinoni, Luciane, 2016, Revision of Ephydrini Zetterstedt (Diptera: Ephydridae) from the Americas south of the United States, pp. 1-110 in Zootaxa 4116 (1)</i> on pages 24-27, DOI: 10.11646/zootaxa.4116.1.1, <a href="http://zenodo.org/record/257322">http://zenodo.org/record/257322</a>
Nostima negramaculata Edmiston & Mathis, 2007, sp. nov.
No full text<i>Nostima negramaculata,</i> sp. nov. <p>(Figs. 9–14, 17, 20–21)</p> <p> <b>Diagnosis</b>.This species is distinguished from other congeners by the following combination of characters: crossveins r-m and dm-cu brown surrounded with dark spots; dark spots variable: 1–4 across r1 cell, 3–4 across r2+3 cell, 4–5 in r4+5 cell, 2–3 distad to dm-cu, 2–3 in cua1; thorax with dense silvery gray microtomentum on postpronotum; tergites completely covered with dense silvery bluish gray microtomentum.</p> <p> <b>Description</b>. Adults, small shore flies, body length 1.04–1.36 mm; yellowish brown to brown with silvery gray and yellowish silver microtomentum.</p> <p> <i>Head</i>. Frons yellowish brown with silvery gray microtomentum, anterior semicircle with yellowish silver microtomentum. Occiput yellowish brown silvery gray microtomentum. Lateral vertical seta 3/4 length of medial vertical seta; paravertical seta absent. Scape brown; basal flagellomere brown; arista filamentose. Facial background yellowish brown with yellowish silver microtomentum; band of silvery gray microtomentum along eye margin from antennal bases, along parafacial, and extending to the gena. Gena and postgena covered with silvery gray microtomentum; postgena ventrally shiny, brown. Maxillary palpus dark yellowish brown; prementum brown.</p> <p> <i>Thorax</i>. (Fig. 17). Scutal length 0.36–0.47 mm; scutellar length 0.16–0.21. Mesonotum yellowish-brown with yellowish silver and silvery bluish gray microtomentum, silvery gray vittae medially and along dorsocentral line; silvery gray microtomentose vitta along dorsocentral line with silvery gray microtomentum sparse between dorsocentral setae and dense posteriorly and anteriorly of dorsocentral setae covering postpronotum and postalar region; scutellum yellowish-brown with yellowish silver microtomentum, laterally with dense silvery gray microtomentum contiguous with silvery gray dorsocentral vitta on mesonotum; anepisternum brown with bluish silvery gray microtomentum; katepisternum brown with silvery bluish gray microtomentum; anatergite brown silvery gray microtomentum. Chaetotaxy: anterior dorsocentral seta 3/4 length of posterior seta; anterior notopleural seta 3/4 length of posterior seta; lateral scutellar seta 3/4 length of apical seta, apical setae convergent and on some specimens crossed. Wing (Fig. 20–21): length 0.94–1.23 mm; width 0.48–0.63 mm; costa-vein ratio 0.38–0.42; M-vein ration 0.19–0.31; background amber, maculate with brown spots, veins brown to dark brown; crossveins r-m and dm-cu brown surrounded with dark spots; dark spots variable: 1 to 4 across r1 cell, 3 or 4 across r2+3 cell, 4 or 5 in r4+5 cell, 2 or 3 in distally to dm-cu, 2 or 3 in cua1. Halter yellowish white. Legs brown with silvery bluish gray microtomentum</p> <p> <i>Abdomen</i>. (Figs. 10–11). Background brown; tergites covered with silvery bluish gray microtomentum. <i>Male terminalia</i>. (Figs. 12–14). Epandrium-cerci-surstyli complex fused; epandrium a narrow U-shaped dorsal band; cercus crescent-shaped and bearing several long setulae, separated dorsally from epandrium by narrow V-shaped space; surstylus fused dorsally with epandrium, with long posteroventral setae on a broadly rounded ventral projection; phallapodeme triangular in lateral view, posterior projection spatulate, anterior projections broadly rounded; aedeagus heavily sclerotized with anterior oval-shaped opening, small posteroventral indentation, broad anterodorsal projection and rounded anteroventral projection; gonite and hypandrium broadly fused anteriorly, with broadly rounded posteroventral projection with small pit-shaped structure, prominent ventromedial setula, and broadly rounded ventral projection; hypandrium rounded anteriorly.</p> <p> <b>Type specimen.</b> The holotype male is labeled “ NEW ZEALAND. SL: TeWaewae Lagoon (46°12.3'S, 167°38.1'E) 19 Jan 2004, W.N. Mathis [white]/ USNM ENT 0 0 0 26912 [white with barcode mounted upside down on pin]/HOLOYPE ɗ <i>Nostima negramaculata</i> Edmiston & Mathis NZAC [red].” The holotype is double mounted with the minuten through the center of the right thorax (minuten in a small rectangular block of silicone), is in excellent condition, and is deposited in the NZAC.</p> <p> <b>Other specimens examined. NEW ZEALAND. NORTH ISLAND. AK:</b> Auckland, Mt. Albert, Mt. Albert Road (36°53.6'S, 174°43.2'E), 29 Feb 1976, T. K. Crosby (1Ψ; NZAC). <b>ND:</b> Sandy Bay (35°33.4'S, 174°28.5'E; beach), 6 Oct 2002, D. and W. N. Mathis (2ɗ, 1Ψ; USNM); Whananaki South (mangrove and beach; 35°31.1'S, 174°27.2'E), 6–8 Oct 2002, D. and W. N. Mathis (1Ψ; USNM); <b>TO:</b> Tokaanu (37°58.2'S, 175°46.2'E), 3–5 Jan 2004, W. N. Mathis (2ɗ; USNM).</p> <p> <b>SOUTH ISLAND. FD:</b> Monowai (45°46.5'S, 167°37'E; 120 m), 20 Jan 2004, W. N. Mathis (1ɗ, 3Ψ; USNM). <b>NC:</b> Arthur's Pass, Andrews stream (42°58.7'S, 171°47.9'E), 30 Nov 1977, E. Schlinger (1ɗ, 1Ψ; NZAC). <b>SL:</b> TeWaewae Lagoon (46°12.3'S, 167°38.1'E), 19 Jan 2004, W. N. Mathis (26ɗ, 19Ψ; USNM).</p> <p> <b>Distribution.</b> (Fig. 9). Australasian/Oceanian: New Zealand (AK, FD, NC, ND, SL, TO).</p> <p> <b>Etymology.</b> The species epithet is derived from a description of the black spots on the wing, especially the black spots over the crossveins.</p> <p> <b>Remarks.</b> Variation in the wing maculation patterns can be seen even on the same specimen between the left and right wings.</p>Published as part of <i>Edmiston, James F. & Mathis, Wayne N., 2007, New Zealand species of the shore-fly genus Nostima Coquillett (Diptera: Ephydridae), pp. 1-16 in Zootaxa 1661</i> on pages 9-13, DOI: <a href="http://zenodo.org/record/179956">10.5281/zenodo.179956</a>
The Mathis News
No full textWeekly newspaper from Mathis, Texas that includes local, state, and national news along with advertising
The Mathis News
No full textWeekly newspaper from Mathis, Texas that includes local, state, and national news along with advertising
Paraephydra Mathis
No full textGenus <i>Paraephydra</i> Mathis <p> <i>Paraephydra</i> Mathis 2008: 4 [type species: <i>Ephydrella freitasi</i> Oliveira 1954, original designation].</p> <p> <b>Diagnosis.</b> <i>Paraephydra</i> is distinguished from other genera of Ephydrini by the following combination of characters: Moderately small to medium-sized shore flies, body length 2.40–3.80 mm; setation normally developed, not generally appearing pilose.</p> <p> <i>Head:</i> Mesofrons shiny, with metallic luster, differentiated from microtomentose parafrons; cruciate interfrontal setae l; lateroclinate, fronto-orbital setae 2; antennal groove distinct but not deeply impressed; basal flagellomere lacking large seta inserted on lateral surface; arista as long or slightly longer than combined length of 1st 3 antennal segments, gradually tapered from base to apex, with subpectinate, dorsally branching rays on basal 2/3; postocular setae normally developed, not conspicuous; larger facial setae extended from interfoveal hump with 1–2, distinctly porrect to anaclinate.</p> <p> <i>Thorax:</i> Females with 1 prescutellar, acrostichal setae; dorsocentral setae 4 (1+3), all well developed; supraalar seta present; presutural supra-alar seta lacking; intrapostalar seta either weakly developed or lacking; disc of scutellum concolorous with posterior portion of scutum; females lacking dense patch of setae between posterior 2 dorsocentral setae. Hindtibia with apical, anteroventral seta, length equal to or larger than width of tibia at widest point.</p> <p> <i>Abdomen:</i> Female ventral receptacle with operculum flat, disc-like. Male terminalia: symmetrical; epandrium longer than wide, narrowed ventrally, fused almost imperceptibly with base of united surstyli; surstyli fused medially except at near apex; posterior surstylar process only slightly longer than lateral process; both processes apical; gonite, hypandrium, and apparently aedeagus fused to form 1 compact structure, curved anteriorly, wide basally, tapered to rounded apex.</p> <p> <b>Distribution.</b> <i>Neotropical;</i> widespread but scarce, from Puerto Rico south through Brazil to Chile. None of the congeners is known to be sympatric.</p> <p> <b>Natural history.</b> Like other ephydrines, <i>Paraephydra</i> occurs in wetlands. In southern Chile (Osorno Province), we collected specimens of <i>P. stauros</i> in a sedge meadow near the margins of small but apparently permanent ponds. Nothing is known about the immature stages or the microhabitat of the genus.</p> <p> <b>Discussion.</b> <i>Paraephydra</i> is proposed to accommodate two closely related species, <i>P. freitasi</i> (Oliveira) and <i>P. stauros</i> Mathis. See “Remarks” section under <i>P. f re i t as i</i> for further comments on the classificatory history and placement of that species.</p> <p> Sexual dimorphism is evident in the chaetotaxy of <i>Paraephydra.</i> Females, unlike males, have a prescutellar acrostichal seta that is larger than other acrostichal setulae. Based on this character, Oliveira (1954c) described <i>P. freitasi</i> in the genus <i>Ephydrella,</i> as that genus, unlike <i>Dimecoenia,</i> sensu Neotropical species, lacks these setae.</p>Published as part of <i>Mathis, Wayne N. & Marinoni, Luciane, 2016, Revision of Ephydrini Zetterstedt (Diptera: Ephydridae) from the Americas south of the United States, pp. 1-110 in Zootaxa 4116 (1)</i> on page 27, DOI: 10.11646/zootaxa.4116.1.1, <a href="http://zenodo.org/record/257322">http://zenodo.org/record/257322</a>
Paraephydra Mathis
No full textGenus <i>Paraephydra</i> Mathis <p> <i>Paraephydra</i> Mathis 2008: 4 [type species: <i>Ephydrella freitasi</i> Oliveira 1954, original designation].</p> <p> <b>Diagnosis.</b> <i>Paraephydra</i> is distinguished from other genera of Ephydrini by the following combination of characters: Moderately small to medium-sized shore flies, body length 2.40–3.80 mm; setation normally developed, not generally appearing pilose.</p> <p> <i>Head:</i> Mesofrons shiny, with metallic luster, differentiated from microtomentose parafrons; cruciate interfrontal setae l; lateroclinate, fronto-orbital setae 2; antennal groove distinct but not deeply impressed; basal flagellomere lacking large seta inserted on lateral surface; arista as long or slightly longer than combined length of 1st 3 antennal segments, gradually tapered from base to apex, with subpectinate, dorsally branching rays on basal 2/3; postocular setae normally developed, not conspicuous; larger facial setae extended from interfoveal hump with 1–2, distinctly porrect to anaclinate.</p> <p> <i>Thorax:</i> Females with 1 prescutellar, acrostichal setae; dorsocentral setae 4 (1+3), all well developed; supraalar seta present; presutural supra-alar seta lacking; intrapostalar seta either weakly developed or lacking; disc of scutellum concolorous with posterior portion of scutum; females lacking dense patch of setae between posterior 2 dorsocentral setae. Hindtibia with apical, anteroventral seta, length equal to or larger than width of tibia at widest point.</p> <p> <i>Abdomen:</i> Female ventral receptacle with operculum flat, disc-like. Male terminalia: symmetrical; epandrium longer than wide, narrowed ventrally, fused almost imperceptibly with base of united surstyli; surstyli fused medially except at near apex; posterior surstylar process only slightly longer than lateral process; both processes apical; gonite, hypandrium, and apparently aedeagus fused to form 1 compact structure, curved anteriorly, wide basally, tapered to rounded apex.</p> <p> <b>Distribution.</b> <i>Neotropical;</i> widespread but scarce, from Puerto Rico south through Brazil to Chile. None of the congeners is known to be sympatric.</p> <p> <b>Natural history.</b> Like other ephydrines, <i>Paraephydra</i> occurs in wetlands. In southern Chile (Osorno Province), we collected specimens of <i>P. stauros</i> in a sedge meadow near the margins of small but apparently permanent ponds. Nothing is known about the immature stages or the microhabitat of the genus.</p> <p> <b>Discussion.</b> <i>Paraephydra</i> is proposed to accommodate two closely related species, <i>P. freitasi</i> (Oliveira) and <i>P. stauros</i> Mathis. See “Remarks” section under <i>P. f re i t as i</i> for further comments on the classificatory history and placement of that species.</p> <p> Sexual dimorphism is evident in the chaetotaxy of <i>Paraephydra.</i> Females, unlike males, have a prescutellar acrostichal seta that is larger than other acrostichal setulae. Based on this character, Oliveira (1954c) described <i>P. freitasi</i> in the genus <i>Ephydrella,</i> as that genus, unlike <i>Dimecoenia,</i> sensu Neotropical species, lacks these setae.</p>Published as part of <i>Mathis, Wayne N. & Marinoni, Luciane, 2016, Revision of Ephydrini Zetterstedt (Diptera: Ephydridae) from the Americas south of the United States, pp. 1-110 in Zootaxa 4116 (1)</i> on page 27, DOI: 10.11646/zootaxa.4116.1.1, <a href="http://zenodo.org/record/257322">http://zenodo.org/record/257322</a>
Paraephydra stauros Mathis
No full text7. Paraephydra stauros Mathis Figs. 41–44, Map 7 Paraephydra stauros Mathis 2008: 8. Diagnosis. This species is similar to P. f re i t as i but is distinguished from it by the following combination of characters: Mesofrons metallic green; face mostly unicolorous, grayish white to silvery white; gena comparatively high, gena-to-eye ratio 0.57–0.58; forefemur two toned, bluish gray basally, dull, microtomentose, becoming paler, less microtomentose and yellowish orange apically; tarsi brown to brownish black; shape of structures of male terminalia distinctive. Moderately small to medium-sized shore flies, body length 2.40–3.60 mm (averaging 3.02 mm); generally dark dorsally, dull, olivaceous brown to shiny, metallic green becoming paler in color ventrally, mostly gray. Head: Head ratio 0.65–0.66; frontal ratio 0.49–0.50; subquadrate mesofrons narrowed slightly anteriorly, shiny with metallic green luster, anterior portion with some smaller, generally inconspicuous setae in addition to larger, cruciate, interfrontal setae; ocelli in isosceles triangle, distance between medial ocellus and either posterior ocellus longer than distance between posterior ocelli; fronto-orbits slightly shinier with faintly evident metallic green luster. Antenna mostly unicolorous, basal flagellomere slightly browner and less gray; arista long, longer than combined length of segments 1–3, with dorsal, subpectinate branching on basal 2 / 3. Facial ratio 1.05–1.70; area immediately between antennal bases brown, otherwise face mostly unicolorous, grayish white to silvery white. Eye ratio 0.91–0.93; gena-to-eye ratio 0.57–0.58; gena high, concolorous with face. Thorax: Scutum gray to olivaceous brown anteriorly, microtomentose, dull, becoming shinier, less microtomentose and more greenish to dark greenish blue in coloration; scutellum shiny with metallic dark greenish blue luster. Pleural areas grayish brown to brown dorsally, becoming paler, bluish gray to gray ventrally. Wing hyaline or slightly infumate; costal vein ratio 0.41–0.43; M vein ratio 0.76–0.79. Legs mostly concolorous; forefemora and usually hindfemora two-toned, bluish gray basally, dull, microtomentose, becoming paler, less microtomentose and yellowish orange apically; tibiae concolorous with apices of femora basally, becoming browner apically; tarsi mostly brown to brownish black. Abdomen: Dorsum of tergites microtomentose to subshiny; basal tergites subshiny medially, mostly greenish blue, lateral margins becoming duller, grayer; apical tergites subshiny medially although less so than basal ones, with more brownish coloration, lateral margins also becoming grayer and more microtomentose. Male terminalia (Figs. 41–44): epandrium in posterior view (Figs. 41) obovate but more or less truncate ventrally, lateral margins slightly sinuate, especially toward venter; base of fused surstyli with partial suture to indicate fusion with venter of epandrium; length of surstylar plate (Figs. 41–43) only slightly greater than width; apical surstylar prongs mostly parallel, deeply emarginate; phallapodeme, aedeagus and hypandrium greatly reduced and compacted; aedeagus (Fig. 44) mostly wide throughout its length; aedeagus conspicuously curved. Type material. The holotype male is labeled “ CHILE: Osorno Pr. Anticura (1 km. W) 432 m. elev.[,] 1–3 Feb. 1978 [,] WNMathis/ HOLOTYPE ♂ Paraephydra stauros Mathis USNM [red].” The holotype is double mounted (minuten in a block of plastic elastomer), is in excellent condition (abdomen has been removed, dissected; parts are in an attached microvial), and is deposited in the USNM. The allotype female bears the same locality label data as the holotype. Other paratypes are as follows: CHILE. Valdivia: Valdivia (7 Km S; 39 ° 49 'S, 73 ° 14 'W), 4 Jun 1969, P. and P. Spangler (2 ♂, 4 ♀; USNM). Type locality. Chile. Osorno: Anticura (1 km W; 40 ° 39 'S, 72 ° 10 'W; 432 m). Distribution (Map 7). Neotropical: Chile (Osorno, Valdivia). Etymology. The specific epithet, stauros, is a masculine Greek noun meaning cross and refers to the prominent pair of cruciate interfrontal setae of this species. The name is a noun in apposition to the generic name. Remarks. Although some intraspecific variation in color is evident, the color of the legs, as noted in the key and description, seems to hold. The sampling of this species, however, is based on the few specimens listed previously. MAP 7. Distribution map for Paraephydra stauros Mathis.Published as part of Mathis, Wayne N. & Marinoni, Luciane, 2016, Revision of Ephydrini Zetterstedt (Diptera: Ephydridae) from the Americas south of the United States, pp. 1-110 in Zootaxa 4116 (1) on pages 30-32, DOI: 10.11646/zootaxa.4116.1.1, http://zenodo.org/record/25732
Nostima kiwistriata Edmiston & Mathis, 2007, sp. nov.
No full textNostima kiwistriata, sp. nov. (Figs. 7 –9, 16, 19) Diagnosis. This species is distinguished from other congeners by the following combination of characters: wings hyaline, thorax with disrupted stripe of dense silvery gray microtomentum laterad of dorsocentral line; tergites 2 and 3 with dense silvery gray microtomentose spots. Description. Adults, small shore flies, body length 0.91 mm; yellowish brown to brown with silvery gray and yellowish silver microtomentum. Head. Frons yellowish brown with yellowish silver microtomentum slightly darker than anterior semicircle, ocellar circle darker, same color as frons. Occiput with broad band of silvery gray microtomentum extending ventrally from medial vertical seta and contiguous with the thoracic vitta, mediolaterally dark brown, bare along posterior eye margin. Lateral vertical setae broken. Scape brown; basal flagellomere and arista of single specimen missing. Facial background yellowish brown with silvery gray microtomentum; band of silvery gray microtomentum along eye margin from the lateral vertical seta, along parafacial, and extending to the gena. Gena covered with silvery gray microtomentum; postgena ventrally shiny, brown. Maxillary palpus yellow; prementum yellowish brown. Thorax. (Fig. 16). Scutal length 0.50 mm; scutellar length 0.22 mm. Mesonotum yellowish-brown with yellowish silver microtomentum, with darker vittae medially and along dorsocentral line; silvery gray microtomentose vitta lateral to dorsocentral line, broken at point above notopleuron, anteriorly vitta covering postpronotum; scutellum yellowish-brown with yellowish silver microtomentum slightly darker laterally as along dorsocentral line, laterally with dense silvery gray microtomentum contiguous with silvery gray lateral vitta on mesonotum; anepisternum yellowish brown with yellowish silver microtomentum; katepisternum yellowish brown with yellowish silver microtomentum; anatergite yellowish brown with yellowish silver microtomentum. Chaetotaxy: anterior dorsocentral seta 2 / 3 length of posterior seta; notopleural setae of single specimen missing; lateral scutellar seta 1 / 3 length of apical seta. Wing (Fig. 19): length 1.46 mm; width 0.53 mm; costal-vein ratio 0.82; M-vein ration 0.20; amber background with pale brown veins and crossveins. Halter yellowish white. Legs yellowish brown; metathoracic tibia with darker brown bands; tarsomere 5 dark yellowish brown. Abdomen (Figs. 7–8). Background brown; tergites 1 and 2 medially with sparse, silvery gray microtomentum; tergite 3 medially with dense silvery microtomentum and posterolaterally with small silver-colored microtomentose circular spots; tergite 4 shiny, bare with dense, silvery gray spots posterolaterally; tergite 5 shiny, bare. Male terminalia. no male specimens. Type specimen. The holotype female is labeled “ 16–17 iii 1971 Mal. Hongi's Track [38 °02.6'S, 176 ° 28.9 'E] Rotorua NZ H. Oliver. [white; handwritten; 2 round holes in label along right margin]/J. Gillespie Collection 1980 [white]/ HOLOTYPE ɗ Nostima kiwistriata Edmiston & Mathis NZAC [red].” The holotype is double mounted (left thorax glued to a paper point), is in good condition with many setae, left antenna, and right basal flagellomere and arista missing (left wing in an attached microvial), and is deposited in the NZAC. Distribution. (Fig. 9). Australasian/Oceanian: New Zealand (BP). Etymology. The species epithet is derived from the sympathetic description of something from New Zealand being a “kiwi”, and being very similar to N. striata from the Seychelles (Afrotropical Region). Remarks. Even though only one specimen is presently available, the distinctive thoracic pattern of microtomentum warrants description of a new species.Published as part of Edmiston, James F. & Mathis, Wayne N., 2007, New Zealand species of the shore-fly genus Nostima Coquillett (Diptera: Ephydridae), pp. 1-16 in Zootaxa 1661 on pages 8-9, DOI: 10.5281/zenodo.17995
New Zealand species of the shore-fly genus Nostima Coquillett (Diptera: Ephydridae)
No full textEdmiston, James F., Mathis, Wayne N. (2007): New Zealand species of the shore-fly genus Nostima Coquillett (Diptera: Ephydridae). Zootaxa 1661: 1-16, DOI: 10.5281/zenodo.17995
Neoephydra trichina Mathis & Marinoni, 2016, sp. nov.
No full text22. Neoephydra trichina sp. nov. Figs. 95–99, Map 22 Diagnosis. Specimens of N. trichina are distinguished from similar congeners of the araucaria group by the following characters: appearance generally dark; legs bicolored; face densely setose; gena high; and structures of male terminalia with distinctive conformation. Medium-sized to large shore flies, body length 3.50–5.30 mm; generally dull, grayish brown to gray with some subshiny areas dorsally. Head (Fig. 95): Head ratio 0.65–69; frontal ratio 0.50–56; mesofrons with dark, blackish blue, metallic luster, generally pilose; ocellar triangle and parafrons nearly concolorous, microtomentose, brown; parafrons more charcoal colored anteriorly; fronto-orbits with narrow strip through insertions of fronto-orbital setae slightly subshiny, with some metallic luster, concolorous with mesofrons; fronto-orbital setae 2. Antenna mostly concolorous, blackish brown. Facial ratio 0.94–0.98; mostly densely setulose particularly along oral margin and toward posteroventral portions of face; dorsum of interfoveal hump with subshiny area more or less concolorous with mesofrons, otherwise face densely microtomentose, grayish tan, gradually paler ventrally. Eye ratio 1.0; genato-eye ratio 0.47–0.52; gena high, whitish gray, olivaceous tan posteriorly. Thorax (Fig. 96): Mesonotum subshiny, mostly brown to bluish brown, darker and subshinier posteriorly, some specimens with 2 stripes anteriorly, gray to bluish gray; pleural areas paler, more gray colored ventrally; anepisternum olivaceous brown or with anterior and posterior margins brownish; other pleural areas including coxae mostly olivaceous gray. Wing length averaging 4.10 mm; mostly infuscate, brown; costal vein ratio 0.22– 0.24; M vein ratio 0.81–0.86. Legs bicolored; mid- and hindfemora bluish to greenish gray, microtomentose, only slightly darker than ventral pleural areas; tibiae and tarsi generally concolorous, mostly reddish orange with some sparse blackish coloration. Abdomen: Generally subshiny, thinly microtomentose; anterior margin of tergites 1–4 slightly fasciate, shinier, more bluish anteriorly, more microtomentose, grayer posteriorly, some specimens with faint bluish tinges of metallic luster; ventral surface of tergites frequently whitish gray. Tergite 5 of male somewhat trapezoidal, truncate apically, brassy. Male terminalia (Figs. 97–99): margins of epandrium in posterior view parallel, rounded dorsally; surstyli in posterior view roughly forming equilateral triangle with short apical gap; surstylus in lateral view robustly bifurcate, lateral prong subequal to main surstylar process, lateral prong robust, digitiform, main process tapered to apical point. MAP 22. Distribution map for Neoephydra trichina sp. nov. Type material. The holotype male is labeled “ CHILE: Osorno Pr. Laguna El Pato 1100 m. elev. 13 Feb. 1973 W Mathis/ HOLOTYPE Neoephydra trichina Mathis [red, handwritten].” The holotype is double mounted (minute nadel), is in excellent condition, and is deposited in USNM. Allotype female with same label data as the holotype. Other paratypes are as follows: ARGENTINA. Chubut: Arroyo Verde (12 km S Río Senquer; 41 ° 59 'S, 65 °06'W; 710 m), 20 Nov 1966, M. E. Irwin, E. I. Schlinger (1 ♂; USNM). CHILE. Magallanes: Estancia Otway (52 ° 48 'S, 71 °06'W), 12 Jan 1966, O. S. Flint, Jr., T. Cekalovic (1 ♂, 5 ♀; USNM); Laguna Amarga (51 °S, 72 ° 48 'W), 7 Jul 1966, M. E. Irwin, E. I. Schlinger (15 ♂, 6 ♀; USNM); Punta Arenas, Rio de las Minas (53 °09'S, 70 ° 55 'W), 18 Apr 1971, O. S. Flint, Jr., G. F. Hevel (24 ♂, 20 ♀; USNM); Seno Ultima Esperanza-Laguna Azul (50 ° 52 'S, 72 ° 42 'W), 1 Feb 1952, T. Cekalovic (1 ♂, 1 ♀; USNM); South Patagonia, B. Brown (1 ♂; USNM). Type locality. Chile. Osorno: Laguna El Pato (41 ° 10 'S, 73 ° 40 'W; 1100 m). Distribution (Map 22). Neotropical: Argentina (Chubut) and Chile (Magallanes), between 40 °– 53 °S and 65 °– 74 °W. Etymology. The specific epithet, trichina, is of Greek derivation and means hair in allusion to the hairiness of the face of this species.Published as part of Mathis, Wayne N. & Marinoni, Luciane, 2016, Revision of Ephydrini Zetterstedt (Diptera: Ephydridae) from the Americas south of the United States, pp. 1-110 in Zootaxa 4116 (1) on pages 70-72, DOI: 10.11646/zootaxa.4116.1.1, http://zenodo.org/record/25732
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