Intercastes, intermorphs, and ergatoid queens: who is who in ant reproduction? J. Heinze Pages: 113 - 124
Colonial life versus solitary life in Cyrtophora citricola (Araneae, Araneidae) R. LeborgneT. CantarellaA. Pasquet Pages: 125 - 134
Mediators of dominance and reproductive success among queens in the cyclically polygynous Neotropical bumble bee Bombus atratus Franklin S. A. CameronM. C. Jost Pages: 135 - 149
Role of cuticular lipids in nestmate recognition of the European hornet Vespa crabro L. (Hymenoptera, Vespidae) J. RutherS. SiebenB. Schricker Pages: 169 - 179
Nesting biology of the fungus-growing ant Cyphomyrmex longiscapus Weber (Attini, Formicidae) U. G. MuellerW. T. Wcislo Pages: 181 - 189
Defensive behavior of colonies of the paper wasp, Polistes fuscatus, against vertebrate predators over the colony cycle T. M. Judd Pages: 197 - 208
Floral oils: their effect on nestmate recognition in the honey bee, Apis mellifera R. M. BowdenS. WilliamsonM. D. Breed Pages: 209 - 214
The communicative meaning of body oscillations in the social wasp, Polistes fuscatus (Hymenoptera, Vespidae) J. L. SavoyardG. J. GamboaR. L. Foster Pages: 215 - 230
A case of multiple mating in stingless bees (Meliponinae) V. L. Imperatriz-FonsecaE. T. MatosH. H. W. Velthuis Pages: 231 - 233