Catachlorops (Rhamphidommia)

Henriques, Augusto Loureiro & Krolow, Tiago Kütter, 2009, Description of a new species of Tabanidae (Diptera) from the Amazon region: Catachlorops (Rhamphidommia) dubius sp. nov. and a key to species of the subgenus, Zootaxa 2295, pp. 64-68 : 65

Key to females of Catachlorops (Rhamphidommia)

1. First flagellomere with a small hook-like projection, never reaching the second flagellomere ( Figs. 1 C–D and 3C) 2

- First flagellomere with an elongated hook-like projection, reaching the second flagellomere ( Fig. 2 C; 4C and 5C) 3

2. Wing widely infuscate with an irregular transversal dark band and patches on br, bm and r4 cells. Frons with a small convergence above, well-developed ocellar tubercle, subtriangular frontal callus, and a short narrow extension reaching one third of the frons height and not touching the internal margins of the compound eyes ........................... .................................................................................................................................................. muscosus ( Figs. 3 A–C)

- Wing with a transversal dark band, without patches on br, bm and r4 cells. Frons parallel-sided, vestigial ocellar tubercle, frontal callus ridge-like, extending three-quarters length of frons, touching or not the lower inner margin of compound eyes ............................................................................................................... dubius sp. nov. ( Figs. 1 A–D)

3 bm and br cells light-brown similar to the costal cell ............................................................... nebulosus (Figs. 4A–C)

- bm and br cells hyaline contrasting with brown costal cell.......................................................................................... 4

4 Frontal callus ridge-like with a narrow extension reaching the upper half of the frons. Sternites with pruinose median whitish stripe ................................................................................................................................. potator (Figs. 5A–C)

- Frontal callus short, wide and sub-square with a short narrow extension, laterally the callus shows a small extension. Sternites with whitish median triangles ............................................................................................ lanei ( Figs. 2 A–C)

Figures

FIGURE 3. Catochlorops (R.) muscosus: A. habitus dorsal view; B. head frontal view; C. antenna lateral view. FIGURE 4. Catochlorops (R.) nebulosus: A. habitus dorsal view; B. head frontal view; C. antenna lateral view. FIGURE 5. Catochlorops (R.) potator: A. habitus dorsal view; B. head frontal view; C. antenna lateral view.