Key to Cyphoidris

This worker key is based on: Bolton, B. 1981. A revision of six minor genera of Myrmicinae (Hymenoptera: Formicidae) in the Ethiopian zoogeographical region. Bulletin of the British Museum (Natural History) Entomology. 43:245-307. [[Media:Bolton 1981b.pdf|PDF]]

1

 * Basal half of first gastral tergite densely and strongly shagreened. (Liberia) . . . . . Cyphoidris parissa


 * Basal half of first gastral tergite unsculptured except for hair-pits . . . . . 2

2

 * Propodeal dorsum flat in profile, not continuing curve of mesonotum. Dorsal alitrunk not strongly densely reticulate-rugose everywhere . . . . . 3


 * Propodeal dorsum in profile continuing curve of mesonotum. Dorsal alitrunk strongly densely reticulate-rugose everywhere. (Rwanda) . . . . . Cyphoidris werneri

3

 * Dorsal alitrunk with abundant conspicuous standing hairs. (Ivory Coast, Zaire, Angola) . . . . . Cyphoidris spinosa


 * Dorsal alitrunk with inconspicuous short decumbent hairs. (Cameroun) . . . . . Cyphoidris exalta