Key to Indo-Australian Simopone Species

A worker key based on: *Radchenko, A. G. 1993c. New ants of the subfamily Cerapachyinae (Hymenoptera, Formicidae) from Vietnam. Zh. Ukr. Entomol. Tov. 1:43-47 PDF

Simopone / Simopone species groups

1

• Head long (CI 65) . . . . . 2

• Head shorter (CI 75-81) . . . . . 3

2

return to couplet #1

• Eyes very large (ED 0.68 mm, OI 69) and widely separated (IOI 0.71); anterior clypeal border not biconcave, without tooth. Smaller species Simopone oculata

• Eyes smaller (ED 0.32 mm, OI 449) and widely separated (IOI 1.0); anterior clypeal border biconcave, with a tooth. Larger species Simopone bakeri

3

return to couplet #1

• Postpetiole longer than broad (IPPT 1.05), eyes less widely separated (IOI 1.14). Smaller species Simopone chapmani

• Postpetiole broader than long (IPPT 0.93), eyes widely separated (IOI 1.53). Larger species Simopone gressitti