Cheiromyia, Dyte, 1980
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publication ID |
https://doi.org/ 10.11646/zootaxa.4444.3.3 |
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publication LSID |
lsid:zoobank.org:pub:E0D89767-E03C-4350-8DF4-1624D73E3501 |
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DOI |
https://doi.org/10.5281/zenodo.6492978 |
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persistent identifier |
https://treatment.plazi.org/id/641687CC-FFB6-CF54-D2AD-EFDAFA485121 |
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treatment provided by |
Plazi |
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scientific name |
Cheiromyia |
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Key to species of Cheiromyia View in CoL (males)
1 Postpedicel with one elongate projection on outer surface ( Brooks et al. 2010, fig. 1A); antenna entirely dark brown; face dark brown and narrow; femora infuscate ( Brazil: Amazonas)........................................ C. bicornis Brooks View in CoL
- Postpedicel with several projections on outer surface ( Figs 1–4, 6, 8 View FIGURES 1–3 View FIGURES 4–9 ); antenna with scape and pedicel pale, postpedicel entirely dark brown, or pale basally; face silvery white or opaque yellow, width various ( Figs 1–3 View FIGURES 1–3 ; Brooks et al. 2010, figs 2A–C); at least fore and hind femora mostly pale (fore femur of C. nordestina View in CoL Limeira-de-Oliveira & Cumming sp. nov. infuscate anteroventrally at mid length)............................................................................ 2
2 Postpedicel elongate subtriangular, gradually tapering to apex ( Figs 4–7 View FIGURES 4–9 ), outer surface with 5–11 projections............ 3
- Postpedicel subovoid basally with abruptly narrowed digitiform apex, outer surface with 3–5 projections ( Fig. 8 View FIGURES 4–9 ; Brooks et al. 2010, fig. 1B)........................................................................................ 5
3 Postpedicel with short, stubby projections ( Fig. 6 View FIGURES 4–9 ); fore femur with anterior surface pale yellow, lacking denser setulae anteroventrally ( Fig. 12 View FIGURES 10–14 ); cercus mainly pale on ventral (inner) surface with only posterior and lateral margin infuscate ( Fig. 20 View FIGURES 20–24 ) ( Brazil: Ceará, Maranhão, Piauí and São Paulo).............. C. nordestina View in CoL Limeira-de-Oliveira & Cumming sp. nov.
- Postpedicel with long projections ( Fig. 4 View FIGURES 4–9 ; Brooks et al. 2010, fig. 1D); fore femur with anterior surface bright yellow-orange, with denser setulae anteroventrally ( Figs 11, 13, 14 View FIGURES 10–14 ); cercus more extensively infuscate on ventral (inner) surface ( Figs 15 View FIGURES 15–19 , 2 3 View FIGURES 1–3 ).................................................................................................... 4
4 Fore femur with infuscate area anteroventrally at mid length, with associated crest of dense elongated setulae below infuscate area ( Fig. 11 View FIGURES 10–14 ); mid femur brown on anterior and posterior surfaces; postpedicel with 6–7 projections ( Fig. 4 View FIGURES 4–9 ); face relatively narrow ( Fig. 2 View FIGURES 1–3 ); apicoventral epandrial lobe short and subtriangular ( Fig. 17 View FIGURES 15–19 ); hypandrium asymmetrical ( Fig. 16 View FIGURES 15–19 ); smaller species, wing length about 4.2 mm ( Brazil: Maranhão)................... C. carolina View in CoL Limeira-de-Oliveira & Brooks sp. nov.
- Fore femur without infuscate area anteroventrally, with denser setulae running along most of anteroventral edge ( Figs 13, 14 View FIGURES 10–14 ); mid femur pale; postpedicel with 9–11 projections ( Brooks et al. 2010, fig. 1D); face broad ( Brooks et al. 2010, fig. 2A); apicoventral epandrial lobe elongate and curved ( Fig. 24 View FIGURES 20–24 ); hypandrium more or less symmetrical; larger species, wing length 4.8– 5.1 mm ( Brooks et al. 2010, fig. 7) ( Bolivia, Brazil, French Guiana).......................... C. pennaticornis (Parent)
5 Fore leg with tarsomere 2 slightly longer than tarsomere 3; cercus large and triangular with series of long, strong setae along posterior margin ( Brooks et al. 2010, fig. 6A); face narrow ( Brooks et al. 2010, fig. 2C) ( Ecuador, Brazil, Surinam, French Guiana)......................................................................... C. palmaticornis (Parent) View in CoL - Fore leg with tarsomere 2 shorter than tarsomere 3 ( Brooks et al. 2010, fig. 4A); cercus ovoid or subquadrate, with relatively short marginal setae ( Fig. 19 View FIGURES 15–19 ); face wider (as in Fig. 1 View FIGURES 1–3 )....................................................... 6
6 Wing infuscate ( Fig. 10 View FIGURES 10–14 ); postpedicel dark brown ( Fig. 8 View FIGURES 4–9 ); fore tibia not swollen; hypandrium with preapical hook-like process on each side ( Fig. 18 View FIGURES 15–19 ) (French Guiana)...................................... C. fuscipennis Pollet & Brooks View in CoL sp. nov.
- Wing hyaline ( Brooks et al. 2010, fig. 2D); postpedicel pale basally (especially on medial surface, Fig. 1 View FIGURES 1–3 ); fore tibia slightly swollen ( Brooks et al. 2010, fig. 4A); hypandrium without preapical hook-like process on each side ( Brooks et al. 2010, figs 4C, 5C)............................................................................................. 7
7 Left apicoventral epandrial lobe lacking acute apicodorsal projection ( Brooks et al. 2010, fig. 4B); face relatively narrow ( Fig. 1 View FIGURES 1–3 ) ( Colombia, Guyana, French Guiana, Brazil).............................................. C. brevitarsis Brooks View in CoL
- Left apicoventral epandrial lobe with acute apicodorsal projection ( Brooks et al. 2010, fig. 5A); face wider ( Costa Rica)............................................................................................ C. laselva Brooks View in CoL
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