Social Organization in reactivated nests of three species ofXylocopa (Hymenoptera, Anthophoridae) in southeastern Brasil E. CamilloC. A. Garofalo OriginalPaper Pages: 92 - 105
Social organization and reproduction inOcymyrmex foreli (Formicidae: Myrmicinae) J. C. ForderA. C. Marsh OriginalPaper Pages: 106 - 115
Usurpation and nest rebuilding inPolistes riparius: Two ways to reproduce after the loss of the original nest (Hymenoptera: Vespidae) S. Makino OriginalPaper Pages: 116 - 128
Assortative mating in a mixed population of European Honeybees,Apis mellifera ligustica andApis mellifera carnica G. KoenigerN. KoenigerS. Berg OriginalPaper Pages: 129 - 138
Queen polymorphism inLeptothorax spec. A: Its genetic and ecological background (Hymenoptera: Formicidae) J. HeineA. Buschinger OriginalPaper Pages: 139 - 155
Role de la reine dans le comportement des ouvrières immatures chez la fourmiAphaenogaster subterranea (Latr.) C. Agbogba Communication Brève Pages: 156 - 160