Polyrhachis (Myrma) concava Ern. Andre ^HNS

Text Figure 72a and b A single worker from Akenge, taken from the stomach of a toad (Bufo funereus), and a dealated female from Stanleyville (Lang and Chapin). Forel took several workers of this species from the stomach of a pangolin (Manis temmincki). Two of these specimens are in my collection.