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Subfamilies

Apocleinae
Asilinae
Dasypogoninae
Dioctriinae
Laphriinae
Laphystiinae
Leptogastrinae
Ommatiinae
Stenopogoninae
Stichopogoninae
Trigonomiminae

Key to the genera of the Nearctic Stichopogoninae

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 Stichopogoninae

References: Artigas, J.N. & Papavero, N. (1990): The American genera of Asilidae (Diptera): Keys for identification with an atlas of female spermathecae and other morphological details. V. Subfamily Stichopogoninae G.H. Hardy. - Boletin de la Sociedad de Biologia de Concepcion 61: 39-47; Concepcion.

1 Face strongly inflated on its lower 3/4. Epandrial halves separated (ventral view), triangular and curved . . . . . Lasiopogon Loew, 1847
Face strongly inflated on its lower 3/4  Epandrial halves separated, triangular and curved
  
-Face flat or slightly convex, as seen in profile. Epandrial halves completely fused (dorsal view), forming a single, characteristically trapezoid plate.
Face flat or slightly convex, as seen in profile  Epandrial halves completely fused, forming a single, characteristically trapezoid plate
 2

2 Vein M3 absent beyond discoidal cell (only four posterior cells present) . . . . . Townsendia Williston, 1895
Vein M3 ansent beyond discoidal cell  Vein M3 ansent beyond discoidal cell
  
-Vein M3 present from discoidal cell to wing margin (five posterior cells present).
Vein M3 present from discoidal cell to wing margin
 3

3 Postpedicel globular, shorter than pedicel and scape together, with a bristle-like style at its apex, as long as flagellum. Face either covered with hairs or lower face hairy and a patch of hairs below antennae . . . . . Lissoteles Bezzi, 1910
Postpedicel globular, shorter than pedicel and scape together, with a bristle-like style at its apex, as long as flagellum  Face either covered with hairs or lower face hairy and a patch of hairs below antennae
  
-Postpedicel elongate, longer than scape and pedicel together. Face flat, either swollen or flat on oral margin, mystax confined to lower half of face or to subcranial margin . . . . . Stichopogon Loew, 1847
Postpedicel elongate, longer than scape and pedicel together  Face flat, either swollen or flat on oral margin, mystax confined to lower half of face or to subcranial margin
  

 

 

 

Contents: © Fritz Geller-Grimm, Jorge N. Artigas, 2007
Layout & images: © Fritz Geller-Grimm, 2007