Key to Dorylus subgenera Males

This key is based on Gotwald, W. H., Jr. 1982. Army ants. Pp. 157-254 in: Hermann, H. R. (ed.) Social insects. Volume 4. New York: Academic Press, 385 pp.

1

 * Forewing with “second recurrent” vein; aedeagus enlarged distally, in dorsal view its apex is knoblike; mandible as in figure …..Rhogmus
 * Forewing without “second recurrent” vein; aedeagus smoothly tapered distally, not terminating in a knoblike enlargement; mandible shaped otherwise .....2

2
return to couplet .....1


 * Hindwing with a prediscoidal cell; mandible as in figure…..Dichthadia
 * Hindwing without a prediscoidal cell; mandible otherwise .....3

3
return to couplet .....2


 * Petiole in dorsal view nearly square or round .....4
 * Petiole in dorsal view wider then long, its posterior surface concave or at least flattened .....5

4
return to couplet .....3


 * Crossvein cu-a forewing intersects with M+CuA, i.e., proximal to the intersection of Mfl (occasionally the cu-a and the Mfl intersections are opposite one another); anterior margin of labrum medially cleft; mandibles as in figure …..Typhlopone
 * Crossvein cu-a forewing intersects with CuA, i.e., distal to the intersection of Mfl; anterior margin of labrum entire; mandibles as in figure …..Alaopone

5
return to couplet .....3


 * Antennal fossa projects beyond the anterior margin of the head forming a prominent tooth; prongs of the subgenital plate are parallel or only slightly divergent at their apices…..Anomma


 * Antennal fossa forming a wide but inconspicuous protrusion; prongs of the subgenital plate are divergent, not parallel…..Dorylus s. str.