Docosia

Kurina, Olavi & Ševčík, Jan, 2012, Notes on Docosia Winnertz (Diptera: Mycetophilidae), with description of six new species from Central Asia and the first generic record from the Afrotropical region, Zootaxa 3570, pp. 25-40 : 27

publication ID	https://doi.org/ 10.5281/zenodo.213192
DOI	https://doi.org/10.5281/zenodo.6180627
persistent identifier	https://treatment.plazi.org/id/15369321-6459-FF90-33AE-FDB6FA47F857
treatment provided by	Plazi
scientific name	Docosia
status

Treatment

Key to males of Docosia View in CoL View at ENA species in Central Asia

1. Sc setose and ending free; terminalia as figured by Laštovka & Ševčík (2006: fig. 1) and Kurina (2008b: figs. 16–21). Uzbekistan................................................................... D. gilvipes View in CoL (Haliday in Walker 1856)

- Sc bare, ending in R1................................................................................... 2

2. Laterotergite setose.....................................................................................3

- Laterotergite bare..................................................................................... 5

3. All coxae entirely blackish, only forecoxa occasionally somewhat paler to brownish................................. 4

- Coxae yellow with only bases infuscated. Ventroapical margin of gonocoxa emarginated with a bare finger-like medial process ( Fig. 7 View FIGURE 7 b). Gonostylus with two subapical spines, more basal one much smaller and with clearly delimited basal body ( Figs. 7 View FIGURE 7 a–c). Tergite 9 apically widening with slightly convex apical margin ( Fig. 7 View FIGURE 7 d). Cercus with 10 combs of retinacula ( Fig. 7 View FIGURE 7 e). Turkmenistan......................................................................... D. koyentagi sp. nov.

4. Ventroapical margin of gonocoxite wavy with a sclerotized, bare, finger-like medial process and with lateral processes bearing four subapical spines each. Gonostylus bifid: ventral lobe bent posteriorly, without apical spine; dorsal lobe bent medially with subapical tubercle on medial margin. Tergite 9 subquadrate, basal margin with shallow medial incision. Cercus with 5 combs of retinacula ( Kurina 2006: fig. 4). Kazakhstan......................................... D. sogetensis Kurina, 2006 View in CoL

- Ventroapical margin of gonocoxite deeply emarginated with a basally setose, finger-like medial process ( Fig. 3 View FIGURE 3 b). Ventroapical margin of gonocoxite with gradually shortening spines from medial process laterally ( Fig. 3 View FIGURE 3 c). Gonostylus bifid: ventral lobe medially swollen and with apical spine; dorsal lobe bent medially with three short basal spines on medial margin ( Fig. 3 View FIGURE 3 a–c). Basal margin of tergite 9 with a deep incision ( Fig. 3 View FIGURE 3 d). Cercus with 8 combs of retinacula ( Fig. 3 View FIGURE 3 e). Uzbekistan................................................................................................. D. bartaki sp. nov.

5. Ventroapical margin of gonocoxite without medial process but with a flange bearing short strong setae ( Kurina 2006: fig. 3). Kazakhstan..................................................................... D. agnesiana Kurina, 2006

- Ventroapical margin of gonocoxite with medial process (e.g. Figs. 5 View FIGURE 5 b, 6b) and with (e.g. Fig. 6 View FIGURE 6 c) or without (e.g. Fig. 5 View FIGURE 5 c) an additional internal flange................................................................................ 6

6. Ventroapical margin of gonocoxite with short, apically flattened or concave medial process bearing an aggregation of short setae ( Fig. 5 View FIGURE 5 c)........................................................................................ 7

- Ventroapical margin of gonocoxite with protruding medial process bearing modified setae or with setae located on internal flange ( Figs. 4 View FIGURE 4 c, 6c, 8c)................................................................................. 8

7. Medial process of ventroapical margin of gonocoxite apically convex ( Figs. 5 View FIGURE 5 b–c). Gonostylus with 6 subequal spines on apical half and with basal and medial extensions, the latter bearing 6 fine setae ( Figs. 5 View FIGURE 5 a–c). Tergite 9 apically widening, without basal incision ( Fig. 5 View FIGURE 5 d). Cercus with 10 combs of retinacula ( Fig. 5 View FIGURE 5 e). Uzbekistan................ D. chimganica sp. nov.

- Medial process of ventroapical margin of gonocoxite apically emarginate. Gonostylus with three spines: the apical twice as long as the subapical which is longer than the basal. Gonostylus with only basal extension bearing short setulae. Tergite 9 apically widening and with basal incision. Cercus with 11 combs of retinacula ( Kurina 2006: fig. 2). Kazakhstan, Uzbekistan...................................................................................... D. selini Kurina, 2006 View in CoL

8. Ventromedial projection on gonocoxite evenly tapering, bearing an aggregation of apically split megasetae ( Figs. 4 View FIGURE 4 c, 8c)... 9

- Ventromedial projection on gonocoxite fin-like ( Figs. 6 View FIGURE 6 b–c). Megasetae on internal flange of ventroapical margin of gonocoxite lanceolate ( Fig. 6 View FIGURE 6 c). Gonostylus crescent, apically tapering with two narrow lobes, both with apical spines, ventrally ( Figs. 6 View FIGURE 6 a–c). Tergite 9 suboval, with basal incision ( Fig. 6 View FIGURE 6 d). Cercus with 11 combs of retinacula ( Fig. 6 View FIGURE 6 e). Kazakhstan, Turkmenistan................................................................................... D. distributa sp. nov.

9. Ventromedial projection of gonocoxite wide, ventrolateral extensions narrow ( Fig. 4 View FIGURE 4 c). Gonostylus suboval, apically somewhat tapering, ventrally with a geniculate spine on clearly delimited basal body and four short spines on a common basal body ( Figs. 4 View FIGURE 4 a–c). Tergite 9 subquadrate with straight apical margin ( Fig. 4 View FIGURE 4 d). Cercus with 13 combs of retinacula ( Fig. 4 View FIGURE 4 e). Turkmenistan................................................................................... D. blagoderovi sp. nov.

- Ventromedial projection of gonocoxite narrow, ventrolateral extensions wide ( Fig. 8 View FIGURE 8 c). Gonostylus humpbacked, apically clearly tapering, bearing three spines on ventral side medially: apical two spines more prominent than basal one ( Figs. 8 View FIGURE 8 a–c). Tergite 9 apically widening with concave apical margin ( Fig. 8 View FIGURE 8 d). Cercus with 12 combs of retinacula ( Fig. 8 View FIGURE 8 e). Turkmenistan.................................................................................... D. turkmenica View in CoL sp. nov.