Key to the species of Priophanes from Brazil (female)

1 Forewing hyaline maculated with two dark bands............................................................ 2

- Forewing hyaline without dark bands...................................................................... 7

2 Integument with golden scale-like setae; face with invaginations laterally to the antennal insertion..................... 3

- Integument without golden scale-like setae; face without invaginations laterally to the antennal insertions............... 4

3 Clypeus large, convex, with a median projection on the anterior margin, similar to a tooth; metasoma black covered with gol- den setae........................................................................... A. sericosoma (Banks)

- Clypeus large, rounded without median projection on the anterior margin; metasoma orange-rufous without golden setae....................................................................................... A. rufigaster (Banks)

4 Integument rufous; forewing subhyaline with two faint bands; clypeus trapezoidal with an apical median tooth............................................................................................... A. pictipennis (Banks)

- Integument various; forewing various; clypeus various........................................................ 4

5 Antennal segments 1–7 orange-rufous (7th segment with brown color as well); fore tibia, including the very distal portion of the fore femur, mid and hind tarsi orange-rufous.................................................. A. rufitarsis (Fox)

- Antennal segments uniform in color; legs various........................................................... 6

6 Head, legs and metasoma black with bluish reflections, mesosoma rufous; clypeus trapezoidal with anterior margin slightly tri- lobed; forewing with three wide dark bands and two white bands................................... A. comes (Banks)

- Head, mesosoma and metasoma black with bluish reflections; clypeus trapezoidal with anterior margin slightly prolonged medially; forewing with two dark bands................................................... A. pallicornis (Banks)

7 Forewing darkened; metasoma with basal terga 1–4 rufous, apical terga black......................... A. basirufa (Fox)

- Forewing hyaline or subhyaline; metasoma uniform in color (basal terga black in A. otiosa)........................... 8

8 Metasoma black; dorsal integument covered with cuprum setae; forewing hyaline.................................. 9

- Metasoma rufous, apical terga black; dorsal integument covered with cuprum setae; forewing subhyaline, tip broadly brownish....................................................................................... A. otiosa (Banks)

9 Integument black without bluish-purple reflections; forewing slightly fuscous; clypeus trapezoidal, large, anterior margin sli- ghtly invaginate medially................................................................ A. nigerrima (Fox)

- Integument black with faint bluish-purple reflections; forewing subhyaline; clypeus various......................... 10

10 Forewing with a faint darkened band partially covering cells R, 1M, and 1Cu–2Cu, and cells 2R1, 1Rs–2Rs, and 2M, vein M has a small-faint spot; legs black; clypeus rounded............................................ A. dolorosa (Banks)

- Forewing without faint darkened bands; mid and hind femora, tibia and basitarsi rufous; clypeus truncate below............................................................................................. A. erythroptera (Banks)