La fondation et le développement des colonies chez quelques espèces de fourmis du genreCremastogaster Lund

摘要: Among the species studied (Cr. scutellaris, Cr. auberti, sordidula, skounensis, vandeli), formation of colonies from an isolated non social female seems exception owing to numerous adverse circumstances which both and young colony are liable meet with. On contrary, greatest number usually established by coming out offshoots followed adoption a swarming workers detached colony, on condition that this has been fertilized. If not so, she is either massacred or expelled left alone. other hand it necessary for queen originate same nest as workers. these do succeed in adopting female, offshoot tends inevitably perish sooner later. Slight differences must be noted among various ofCremastogaster. AmongCr. scutellaris foundation females quite frequently observed while amongCr. auberti andCr. skounensis establishment off shoots rule.