Mesophysa
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Ordo: Diptera
Familia: Acroceridae
Name
Mesophysa Macquart – Wikispecies link – Pensoft Profile
- Mesophysa Macquart, 1838: 166 – Blanchard 1840[1]: 584; Westwood 1876[2]: 517; Brunetti 1926[3]: 580; Edwards 1930[4]: 193; Neboiss 1971[5]: 214; Schlinger and Jefferies 1989[6]: 376. Type species: Mesophysa scapularis Macquart, 1838 by subsequent designation of Brunetti 1926[3]: 580 [= Panops flavipes Latreille, 1811].
Diagnosis
Body length: 8.0–10.0 mm [male], 9.0–11 mm [female]. Colouration non-metallic, usually matte greenish hue; head size slightly smaller than thorax width; shape hemispherical; postocular ridge and occiput rounded; three ocelli; posterior margin of eye emarginate; eye apilose; antennae positioned on head adjacent to ocellar tubercle; eyes not contiguous above antennal base, contiguous below antennal base; palpus present; proboscis greater than head length; flagellum shape elongate, cylindrical (flattened), truncated apically [more pronounced in male]; scapes separate; flagellum apex lacking terminal setae; subscutellum not enlarged, barely visible; tibial spines present; pulvilli present; wing infuscate, markings present; costa circumambient (weaker along anal margin); costal margin straight apically; humeral crossvein present; radial veins straight; R1 not inflated distally; pterostigma and cell r1 membranous, not ribbed; R2+3 present; R4+5 originating separately from cell r4+5; cell r4+5 bisected by 2r-m, basal cell narrow elongate, closed; 2r-m, joining M1 to R5; R4 with spur vein; medial vein compliment with M1, M2 and M3 present (M3 fused with CuA1); discal cell closed completely; medial veins reaching wing margin; cell m3 present; CuA1 joining M3, petiolate to margin; CuA2 fused to A1 before wing margin, petiolate to margin; wing microtrichia absent; anal lobe well developed; alula well developed; abdominal tergites smooth, rounded; abdomen shape rounded, cylindrical, similar width to thorax or constricted anteriorly (male), tergites raised along posterior margins.
Included species
Mesophysa flavipes (Latreille, 1811); Mesophysa ilzei Neboiss, 1971; Mesophysa tenaria Neboiss, 1971; Mesophysa ultima Neboiss, 1971.
Comments
Mesophysa is an endemic eastern Australian genus closely related to Leucopsina. They share a similar habitus with narrowing of the abdomen anteriorly (more pronounced in Leucopsina), apilose eyes, infuscate wings and flagellum shape, as well as the crossvein 2r-m joining to R5 rather than to the stem R4+5. This genus can be differentiated from Leucopsina by the lack of black and yellow markings. Mesophysa has been considered a synonym of Panops by some authors (Erichson 1840[7]; Kertész 1909[8]; Edwards 1930[4]; Hardy 1946[9]; Paramonov 1957[10]) and treated as separate genera by others (e.g. Brunetti 1926[3]; Neboiss 1971[5]). This was complicated by an incorrect synonymy of Panops with the distantly related South American genus Lasia Wiedemann, 1824 by Kertész (1909)[8] (see discussion in Neboiss 1971[5]). Neboiss (1971)[5] provides a key to species of this genus.
Taxon Treatment
- Winterton, S; 2012: Review of Australasian spider flies (Diptera, Acroceridae) with a revision of Panops Lamarck ZooKeys, 172: 7-75. doi
Other References
- ↑ Blanchard C (1840) Histoire naturelle des insectes. Orthoptères, névroptères, hémiptères, hyménoptères, lépidoptères et diptères. Vol. 3, 672 pp., 67 pls. In: Laporte FL de. Histoire naturelle des animaux articulés. Paris. [Acroceridae, p. 584]
- ↑ Westwood J (1876) Notae Dipterologicae. No. 3. – Descriptions of new genera and species of the family Acroceridae. Trans. Ent. Soc. London 1876, 507–518.
- ↑ 3.0 3.1 3.2 Brunetti E (1926) New and little-known Cyrtidae (Diptera). Ann. Mag. Nat. Hist. 18: 561-606. doi: 10.1080/00222932608633552
- ↑ 4.0 4.1 Edwards F (1930) Bombyliidae, Nemenstrinidae, Cyrtidae. Dipt. Patagonia S. Chile 5: 166-197.
- ↑ 5.0 5.1 5.2 5.3 Neboiss A (1971) Australian Panopinae (Diptera: Acroceridae). Journal of the Australian Entomological Society 10: 205-222. doi: 10.1111/j.1440-6055.1971.tb00031.x
- ↑ Schlinger E, Jefferies M (1989) Family Acroceridae. In: Evenhuis N (Ed). Catalog of Diptera of the Australasian and Oceanian regions. Bishop Museum Special Publication. Bishop Museum Press, 86: 375-37.
- ↑ Erichson W (1840) Die Henopier, Eine familie aus der Ordung der Dipteren, 135–180, pl. 1, Figs 7–10.
- ↑ 8.0 8.1 Kertész K (1909) Catalogus Dipterorum hucusque descriptorum. Vol. 4, Oncodidae, Nemestrinidae, Mydaidae, Apioceridae, Asilidae. Museum Nationale Hungaricum, Budapestini [=Budepest], 349 pp.
- ↑ Hardy G (1946) Miscellaneous notes on Australian Diptera. XII. Cyrtidae, Dolichopodidae and Phoridae. Proc. Linn. Soc. New South Wales 71: 65-71.
- ↑ Paramonov S (1957) A Review of the Australian Acroceridae (Diptera). Australian Journal of Zoology 5: 521-546. doi: 10.1071/ZO9570521
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