The ants collected by the American Museum Congo Expedition. Author Wheeler, W. M. text Bulletin of the American Museum of Natural History 1922 45 39 269 http://plazi.org:8080/dspace/handle/10199/17097 journal article 20597 Crematogaster impressiceps (Mayr) Panga and Faradje, [[worker]] (Lang and Chapin). The specimens from Panga were found inhabiting the hollow twigs of Barteria fistulosa (see Part IV), those from Faradje were associated with aphids.