Tribe Psenini


1 Hindwing media diverging at or beyond cu-a

2

 

1 Hindwing media diverging well before cu-a

3

 

2 Hindcoxa with a downwardly directed bristle, most conspicuous in female; frontal carina low and simple; female foretarsus with a short rake

Pluto

 

2 Hindcoxa without a special bristle; frontal carina unusually raised between antennal bases and connected below with a cross carina, at least in males, female foretarsus without a rake

Psenulus

 

3 Omaulus absent or strong and curving semicircularly forward toward prothorax, never curving posteriorly; frontal carina usually incomplete

Mimesa

 

3 Omaulus strong, continued by acetabular carina to midventral line; frontal carina usually complete from midocellus to interantennal area

4

 

4 Omaulus continued to midventer by an acetabular carina

5

 

4 Omaulus not continued to midventer by an acetabular carina

Psen

 

5 Petiole polished above and without carinae or obvious groves, outwardly directed hairs along inside of laterodorsal carina inconspicuous or absent; apex of clypeus nearly always with a broad bevel broken by several vertical carinae

Pseneo

 

5 Petiole carinate or posteriorly sulcate above, with conspicuous outwardly directed hairs along inside of laterodorsal carina; apex of clypeus thin, not broadly beveled

 

Mimumesa

 

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