Goniaspis

Mlynarek, Julia J. & Wheeler, Terry A., 2009, Revision of the Neotropical genus Goniaspis Duda (Diptera: Chloropidae), Zootaxa 2033, pp. 26-40 : 28

Key to described species of Goniaspis

1. Fore coxa and all femora black; tibiae and tarsi yellow; abdomen black laterally, yellow medially ......... G. truncata

- Legs yellow, or hind tibia with a central dark band; abdomen entirely black or yellow.............................................. 2

2. Scutum black................................................................................................................................................................. 3

- Scutum yellow .............................................................................................................................................................. 6

3. Scutellum and thoracic pleurites yellow................................................................................................... G. s c u t e l l a r i s

- Scutellum and thoracic pleurites black ......................................................................................................................... 4

4. Frons, face and postpronotum yellow ................................................................................................................. G. lucia

- Frons, face and postpronotum black ............................................................................................................................. 5

5. Sides of epandrium parallel in posterior view; excavated area between cerci semicircular ( Fig. 15 )............. G. opaca

- Sides of epandrium diverging ventrally in posterior view; excavated area between cerci wider than high ( Fig. 13 ).... .................................................................................................................................................................... G. obscurata

6. Frons and gena at least partly black, frontal triangle and occiput black, contrasting with yellow scutum .................. 7

- Frons, gena and most of frontal triangle yellow, occiput usually at least partly yellow (black in G. r u b r a)............... 8

7. Frons and gena entirely black. Abdomen yellow ........................................................................................... G. equalis

- Frons and gena partly yellow. Abdomen black .......................................................................................... G. versicolor

8. Occiput entirely yellow, ocellar tubercle yellow ............................................................................................. G. lurida

- Occiput entirely or partly black, ocellar tubercle black or with a dark spot ................................................................ 9

9. Occiput yellow with 2 black lines extending posteroventrally from frontal triangle. Hind tibial spur apical .............. ................................................................................................................................................................. G. subaequalis

- Occiput entirely black. Hind tibial spur slightly subapical .............................................................................. G. rubra

Figures

FIGURES 12 – 15. Male genitalia. 12 – 13. Goniaspis obscurata. 12. lateral. 13. posterior. 14 – 15. Goniaspis opaca. 14. lateral. 15. posterior. Scale bars = 0.1 mm.