1.
.  		Hind wings obsolete. Mesosternum narrow between mesocoxae (Fig. 1b–1c)
.
2
.

1'.
.

Hind wings fully developed. Mesosternum wide between mesocoxae (Fig. 1a)
Ennearabdus Lansverge
Figures 1a-c. Ventral view of metasternum: a) Ennearabdus Lansverge; b) Eucranium Dejean; c) Anomiopsoides Blackwelder and Glyphoderus Westwood.
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
2(1).
.		 Mesocoxae separated at base (Fig. 1c). Mesotarsus longer than metatarsus
.
3
 

2'.
.

 Mesocoxae nearly contiguous at base (Fig. 1b). Mesotarsus shorter than metatarsus
Eucranium Brullé
.
Figures 1b-c. Ventral view of metasternum: b) Eucranium Dejean; c) Anomiopsoides Blackwelder and Glyphoderus Westwood.
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
3(2). .
.
.
. 		Pronotum lacking horns or large medial depression (males and females). Clypeus with 2 well-developed medial processes; processes as long or longer than length of clypeus
.
.
Anomiopsoides Blackwelder
 

3'.
.
.
. .

 Pronotum with horns and large medial depression (males), or with large medial depression (females). Clypeus with 2 medial processes; processes shorter than length of clypeus
.
Glyphoderus Westwood
KEY