Oxysarcodexia wygodzinskyi Lopes & Tibana, 1987

Souza, Carina Mara De, Pape, Thomas & Thyssen, Patricia Jacqueline, 2020, Oxysarcodexia Townsend, 1917 (Diptera: Sarcophagidae) - a centennial conspectus, Zootaxa 4841 (1), pp. 1-126 : 109-110

Oxysarcodexia wygodzinskyi Lopes & Tibana, 1987

( Figs 281–283 )

Oxysarcodexia wygodzinskyi Lopes & Tibana, 1987: 336 ; Argentina, Salta, San Martin. Holotype male in MNRJ.

Diagnosis. Male. Length 8.5 mm. Postocular plate with silvery pollinosity. Ocellar bristles well developed. Thorax with pale golden pollinosity, especially on humeral region. Two well-differentiated posterior and 3 smaller anterior post-sutural dorsocentrals. Apical scutellar bristles absent. Legs blackish. Abdomen with silvery pollinosity, although with some pale golden pollinosity on anterior margin of T5. T3 with 2 pairs of lateral marginal bristles, T4 with 1 pair of median marginal and 2 pairs of lateral marginal bristles. ST5 with deep median cleft with margins almost parallel and with bristles at apex of arms. Cercus sinuous in lateral view, with pointed obliquely cut apex. Cercus with bristles ventrally in distal half. Cerci with distal third narrower than middle part in posterior view; parallel, with apices slightly convergent. Pregonite of equal width from base to apex and sudden narrowing at apex; unicolorous. Postgonite with expanded base, gradually narrowing to apex; unicolorous. Distiphallus with smooth ventroapical margin, rounded apex and straight dorsal outline. Vesica symmetrical; distal lobes well developed, rounded, sclerotized, with spines only apically along margins.

Remarks. See under O. cingarus . Female unknown.

Distribution. NEOTROPICAL. Argentina (Salta), Brazil (Mato Grosso do Sul).

Biology. The only biological information about O. wygodzinskyi is its association as a floral visitor of Triplaris gardneriana (Polygonaceae) ( Custodio et al. 2017).

Type material examined. Holotype ♂: Dep. San Martin Salta Argentina Wygodzinsky 500. 800 m. 10.1.57 / Holotype / Oxysarcodexia wygodzinskyi holotypus ♂ n. sp. Det. H. S. Lopes & R. Tibana / MNRJ 2254 [typed vertically on left side of label] [ MNRJ] .

Other material examined. [♂] Brasil, MS Porto Murtinho 22°01′09″S 57°52′04″W vii-viii-2013 T. Custódio & D. Ciriaco col. / Oxysarcodexia wygodzinskyi Lopes & Tibana, 1987 . Det. CA Mello-Patiu [ MNRJ] // [♂] SISBIOTA CNPq/FAPESP [typed vertically on left side of label] BRASIL MS Porto Murtinho Fazenda Retiro Conceição S21°41′18.8″ W057°45′53.7″ Coleta manual (rede) 11.xii.2011 Patiu & Patiu col. / Oxysarcodexia wygodzinskyi Lopes & Tibana, 1987 . Det. CA Mello-Patiu [ MNRJ] // [♂] Oxysarcodexia wygodzinskyi Lopes & Tibana, 1987 , det. C. A. Mello-Patiu / BRASIL, MS, Porto Murtinho, Fazenda Retiro Conceição S21°41′18.8″ W057°45′53.7″ Coleta manual (rede) 11.xii.2011 Patiu & Patiu col. [ MNRJ].

Figures

FIGURES 274–283. Oxysarcodexia spp., males. 274–277. Oxysarcodexia villosa Lopes (Brazil, Pará, Belém, MNRJ). 274. Habitus, lateral view (flipped horizontally to facilitate comparisons). 275. Terminalia, lateral view. 276. Terminalia, anterior view. 277. Terminalia, posterior view. 278–280. Oxysarcodexia vittata (Walker) (278: Brazil, Santa Catarina, Nova Teutonia, NHMD; 279–280: Brazil, São Paulo, Jundiaí, LIE). 278. Habitus, lateral view. 279. Terminalia, lateral view. 280. Terminalia, posterior view. 281–283. Oxysarcodexia wygodzinskyi Lopes & Tibana (Argentina, MACN). 281. Habitus, lateral view. 282. Terminalia, lateral view. 283. Terminalia, posterior view. Figs 281–283 by P.R. Mulieri (MACN).