Coenosopsia Malloch

Bortolanza, Mariza, Carvalho, Claudio José Barros De & Lara, Ana Paula Conter, 2006, A new species of Coenosopsia Malloch (Diptera, Anthomyiidae) from southern Brazil and a reappraisal of the cladistic relationships of the genus, Zootaxa 1242, pp. 37-52 : 39-40

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

Figures

FIGURES 11 – 13. Male aedeagus and associated structures, lateral view. 11. C. albuquerquei sp. nov. 12. C. ferrari. 13. C. brasiliensis. (Scale bars: 0.1 mm.)

FIGURES 1 – 10. 1 – 4. C. albuquerquei sp. nov. 1. Cercal plate and right surstylus, lateral view. 2. Surstyli, dorsal view. 3. Left surstylus, lateral view. 4. Cercal plate and surstylus, dorsal view. 5 – 7. C. ferrari. 5. Cercal plate and right surstylus, lateral view. 6. Left surstylus, lateral view. 7. Cercal plate and surstylus, dorsal view. 8 – 10. C. brasiliensis. 8. Cercal plate and right surstylus, lateral view. 9. Left surstylus, lateral view. 10. Cercal plate and surstylus, dorsal view. (Scale bars: 0.1 mm.)