Key to Aenictus silvestrii group species

This worker key is based on *[[Media:Jaitrong & Yamane 2010.pdf| Jaitrong, W. & Yamane, S. 2010. The army ant Aenictus silvestrii and its related species in Southeast Asia, with a description of a new species (Hymenoptera: Formicidae: Aenictinae). Entomological Science 13:328-333. PDF]]

1

 * Antenna 8-segmented . . . . . Aenictus latifemoratus
 * Antenna 9-segmented . . . . . 2

2

 * Head almost smooth and shiny. . . . . Aenictus glabratus
 * head entirely sculptured . . . . . 3

3

 * Dorsum and sides of head, and pro-mesonotum with longitudinal rugae. . . . . . Aenictus silvestrii
 * Dorsum and sides of head with macropunctures; inter-spaces and bottoms micropunctate. Pro-mesonotum more irregularly sculptured . . . . . Aenictus jarujini