Effects of familiarity and nestmate number on social interactions in two communal bees, Andrena scotica and Panurgus calcaratus (Hymenoptera, Andrenidae) R. J. PaxtonP. F. KukukJ. Tengö Pages: 109 - 118
Sequential co-operative load transport in the seed-harvesting ant Messor barbarus J. L. ReyesJ. Fernández Haeger Pages: 119 - 125
Community interactions between ants and arboreal-nesting termites in New Guinea coconut plantations M. LeponceY. RoisinJ. M. Pasteels Pages: 126 - 130
Resource choice of social wasps: influence of presence, size and species of resident wasps M. Raveret RichterV. L. Tisch Pages: 131 - 136
Physical worker castes in colonies of an acacia-ant (Crematogaster nigriceps) correlated with an intra-colonial division of defensive behaviour L. Stapley Pages: 146 - 149
Colony structure and reproduction in the thelytokous parthenogenetic ant Platythyrea punctata (F. Smith) (Hymenoptera, Formicidae) K. SchilderJ. HeinzeB. Hölldobler Pages: 150 - 158
Behavioral interactions of the invasive Argentine ant with native ant species K. G. HumanD. M. Gordon Pages: 159 - 163
Intraspecific colony recognition in the termites Macrotermes subhyalinus and Macrotermes bellicosus (Isoptera, Termitidae) P. JmhaslyR. H. Leuthold Pages: 164 - 170
Worker size variation and the evolution of an ant-plant mutualism: Comparative morphometrics of workers of two closely related plant-ants, Petalomyrmex phylax and Aphomomyrmex afer (Formicinae) L. MeunierA. DaleckyD. McKey Pages: 171 - 178
Spatial distribution, size and density of nests of Myrmicaria opaciventris Emery (Formicidae, Myrmicinae) M. KenneA. Dejean Pages: 179 - 185
Behavioural differences between male and female replacement reproductives in Kalotermes flavicollis (Isoptera, Kalotermitidae) L. MaistrelloG. Sbrenna Pages: 186 - 191
Water supply during building activities in the subterranean termite Reticulitermes santonensis De Feytaud (Isoptera, Rhinotermitidae) S. GrubeD. Rudolph Pages: 192 - 193
Semi-claustral founding and worker behaviour in gynes of Messor andrei M. J. F. Brown Pages: 194 - 195