Key to species of Coenosopsia Malloch

(modified from Nihei & Carvalho 2004)

1 Palpus entirely yellow; all femora yellow on basal fifth (fore femur) to half (hind femur) (Mexico) .............................................................. C. mexicana Michelsen, 1991

­ Palpus not yellow or at least with brown basal half...................................................... 2

2 Palpus piceous or not entirely brown; pregonite apex with hairs (Figs.11, 12) ............ 3

­ Palpus entirely brown; pregonite apex without hairs (Fig. 13) .................................... 4

3 Hind femur brown, lighter at base; abdomen dark brown to black without maculae, sometimes lateral maculae; left surstylus narrower than right (Figs. 1–4); pregonite longer than gonostylus; aedeagus smaller than aedeagal apodeme (Fig. 11) (Brazil) .... .......................................................... C. albuquerquei Bortolanza & Carvalho, sp. nov.

­ Hind femur brown; abdomen brown with yellow tergites 1+2; right surstylus more markedly curved (Figs. 5, 6); pregonite and gonostylus equal in length; aedeagus and aedeagal apodeme equal in length (Fig. 12) (Brazil) ......................................................

.................................................................................. C. ferrari Nihei & Carvalho, 2004 4 Medial lobe of cercal plate with sub parallel margins (see Nihei & Carvalho 2004: Fig. 1 D) (Brazil) ........................................................ C. michelseni Nihei & Carvalho, 2004 ­ Medial lobe of cercal plate with margins converging from the base to a point ........... 5

5 Medial lobe of cercal plate with margins converging from the base gradually to a point (Fig. 7)........................................................................................................................... 6

­ Medial lobe of cercal plate with margins converging from the base abruptly to a point (Fig. 10)........................................................................................................................ 7

6 Cercal plate widened, with apex as wide as surstylus apex (see Michelsen 1991: Fig. 19) (Belize, Costa Rica, Panama, Ecuador) .............................. C. prima Malloch, 1924

­ Cercal plate not widened, with apex narrower than surtylus apex (see Michelsen 1991: Fig. 23) (U.S.A., Mexico) .............................................. C. floridensis Michelsen, 1991

7 Pregonite and gonostylus equal in length (Fig. 13) (Brazil, Paraguay) .......................... ...................................................................................... C. brasiliensis Michelsen, 1991

­ Pregonite longer than gonostylus (Peru, Brazil) ............. C. peruviana Michelsen, 1991