Dissochaetus, Reitter, 1884

Peck, Stewart B. & Cook, Joyce, 2014, A review of the small carrion beetles and the round fungus beetles of the West Indies (Coleoptera: Leiodidae), with descriptions of two new genera and 61 new species., Insecta Mundi 2014 (397), pp. 1-76 : 9

Key to species of male Dissochaetus of the West Indies

1. Parameres inwardly curved apically ( Fig. 12, 18, 23); apex of median lobe of aedeagus drawn out, narrow at apex ............................................................................................................................ 2

— Parameres straight or weakly sinuate, not inwardly curved apically ( Fig. 15, 20, 21); median lobe of aedeagus not drawn out apically ........................................................................................... 4

2(1). Sternite lobes of male genital segment ( Fig. 17) strongly outwardly curved. Jamaica................ .................................................................................................................. D. jamaicensis Peck

— Sternite lobes of male genital segment otherwise ........................................................................ 3

3(2). Sternite lobes of male genital segment ( Fig. 14) narrow and straight, not setose. Cuba............. ......................................................................................................................... D. cubensis Peck

— Sternite lobes of male genital segment ( Fig. 24) angled inward and bearing setae medially. St. Lucia........................................................................... D. sanctalucia Peck and Cook , n.sp.

4(1). Apices of sternite lobes of male genital segment ( Fig. 19) rounded. Puerto Rico......................... .............................................................................................................. D. portoricensis Hatch

— Apices of sternite lobes of male genital segment ( Fig. 16, 22) acute ........................................... 5

5(4). Apical one-half of median lobe of aedeagus ( Fig. 15) broadly triangular. Grenada...................... ............................................................................................................ D. grenadensis Jeannel

— Apical one-half of median lobe of aedeagus ( Fig. 21) narrowly triangular. St. Vincent............... ....................................................................................................................... D. smithi Jeannel