Genea Rondani, 1850

Nunez, Enio & Couri, Márcia S., 2011, Revision Of Neotropical Genea Rondani (Diptera, Tachinidae, Tachininae, Leskiini), Papéis Avulsos de Zoologia 51 (31), pp. 481-497 : 482-483

Genea Rondani, 1850

Genea Rondani, 1850: 172 . Type species: Genea maculiventris Rondani, 1850 (= Stomoxys trifaria Wiedemann, 1824 ) (by monotypy).

Geneopsis Townsend, 1927: 212 . Type-species, major Townsend original designation).

Geneoglossa Townsend, 1935: 225 . Type-species, glossata Townsend original designation).

Leskiomima Brauer & Bergenstamm, 1891: 68 , 102 (also 1892: 372, 406; subsequently spelled Leskiomera, error). Type species: Stomoxys tenera Wiedemann, 1830 (by monotypy).

Dejeaniopalpus Townsend, 1916 d: 312 . Type species: Dejeaniopalpus texensis Townsend, 1916 (original designation).

Jaynesleskia Townsend, 1934: 395 . Type species: Leskiomima jaynesi Aldrich, 1932 (original designation).

Leskiella James, 1947: 96 . Type species: Leskiella brevirostris James, 1947 (original designation). [Nearctic].

Recognition

Yellow and golden flies of variable length, ranging from 5.5 to 12 mm.

Head: white coloured with silver or golden pruinosity near vertex; dichoptics; eyes bare; antenna yellow; scape erect and very close to each other; arista slightly plumose; vitta yellow; frontal setae row ending a little below the level of the antennal insertion; face visible in profile; long proboscis, mentum always surpassing the head height; occiput with white pruinosity, the upper half of head dark in ground colour otherwise white; beard white.

Thorax: scutum with golden pruinosity; acrostichal setae 1+1 or 2+1; intra-alars 1+3; notopleurals 2; supra-alars 3, the second one the largest; postalars 2; prosternum bare; proepisternum with one seta, bare above; 1 proepimeral seta; katepisternals setae 2:1; anepisternals 5-7; merals 5-11; katepimeron bare or with a few setulae. Wing usually long and a little bit narrower in males; vein R 1 entirely setulose on dorsal surface (except in G. jaynesi , setulose basally on dorsal surface), vein R 4+5 setulose from base (sometimes with some ventral setulae) to crossvein r-m on dorsal surface and sometimes, surpassing it; wing cell r 4+5 narrowly open near apex; vein M 1 rarely with few sparse setulae. Legs with medial surface of coxa entirely bare; fore femur with a row of anterodorsal, posterodorsal and posteroventral setae each; fore tibia with one anterodorsal row of setae; claws and pulvilli well developed in males, (except in the species where the females and males are alike, both presenting proclinate and reclinate orbital setae); hind femur with one anterodorsal row of setae; hind tibia with one anterodorsal row of setae, the median one the largest.

Abdomen: yellow and/or gold, presenting median apical brownish spots dorsally or dorsal brown stripes; small lateral brown spots on T 3 to T 5 sometimes fused with the median apical spots or with the dorsal brown stripes; median marginal setae, sometimes present on T 1+2 and always present on T 3 (except in G. gracilis ); row of marginals on T 4 and T 5.

Male terminalia: sternite 5 square shaped with “ V ” shaped median cleft covered with setulae and usually with a dark brown area around setae close to the hind margin; high arched epandrium; hipandrium not fused dorsally; distiphalus with lateral arms short; ejaculatory apodeme fan shaped.