426 JO URNAL, BOMB A Y NA TUBAL HISTOR Y SOCIE TY, Vol. IX. 



b 8 . Costa of forewing straight. Forewing 

 short and broad, apes squared, outer 

 margin very convex. 



* Ampittia, Moore. 

 c s . Costa of forewing straight, apes acute, 

 outer margin nearly straight. 



Aeromachus, de Niceville. 

 b 6 . A tuft of hairs on underside of forewing in 



male. 



Sebastonyma, Watson. 



b 5 . Second median branch of hindwing from end 

 of cell. 



Pedestes, Watson. 

 ft 4 . First median branch of forewing not at all or 

 only slightly nearer to end of cell than to base 

 of wing, usually much nearer base of wing. 

 a 5 . Male with no secondary sexual characters 

 on upperside of forewing. Cilia at anal 

 angle of hindwing much elongated. 

 Lophoides, Watson. 

 b 5 . Male with or without secondary sexual cha- 

 racters on upperside of forewing. Cilia at 

 anal angle of hindwing normal. 

 a 6 . Terminal joint of palpi erect. 

 a 7 . Forewing apically produced in male ; 

 outer margin very oblique, almost equal 

 in length to inner margin. 

 Hyarotis, Moore. 

 b 7 . Forewing not produced apically in male ; 

 outer margin hardly oblique, consider- 

 ably shorter than inner margin. 

 Isoteinon, Felder. 

 b e . Terminal joint of palpi horizontal. 

 a 7 . Terminal joint of palpi conspicuous. 

 a 8 . Male with a short glandular streak 

 lying along the submedian nervure on 

 upperside of forewing. 

 Idmon, de Niceville. 



* A. maro, Fabricius, the type of Ampittia, has no terminal crook to the antennae ; other 

 species of the genus however have a minute terminal crook. 



