Alternative reproductive tactics in females: the case of size polymorphism in winged ant queens O. RüppellJ. Heinze Pages: 6 - 17
Male dimorphism in Perdita portalis (Hymenoptera, Andrenidae) has arisen from preexisting allometric patterns B. N. DanforthC. A. Desjardins Pages: 18 - 28
Effect of colony size on the number of gamergates in the queenless ponerine ant Rhytidoponera aurata Y. KomeneS. HigashiH. Miyata Pages: 29 - 33
An experimental study of colony-founding in pine saplings by queens of the arboreal ant, Crematogaster ashmeadi J. BaldacciW. R. Tschinkel Pages: 41 - 44
Interspecific hybridisations in natural populations of ants by example of a regional fauna (Hymenoptera, Formicidae) B. Seifert Pages: 45 - 52
Stenamma debile (Hymenoptera, Formicidae): Facultative polygyny, and an extreme 1997 sex ratio A. Buschinger Pages: 53 - 57
Colony-level and season-specific variation in cuticular hydrocarbon profiles of individual workers in the ant Formica truncorum J. NielsenJ. J. BoomsmaE. D. Morgan Pages: 58 - 65
Nest relocation and encounters between colonies of the seed-harvesting ant Messor andrei M. J. F. Brown Pages: 66 - 70
Vibrational alarm communication in the African fungus-growing termite genus Macrotermes (Isoptera, Termitidae) A. RöhrigW. H. KirchnerR. H. Leuthold Pages: 71 - 77
Silk production by adult workers of the ant Melissotarsus emeryi (Hymenoptera, Formicidae) in South African fynbos B. L. FisherH. G. Robertson Pages: 78 - 83
Social organization, reproductive behavior and ecology of Leptothorax acervorum (Hymenoptera, Formicidae) from the Sierra de Albarracin in central Spain M. FelkeA. Buschinger Pages: 84 - 91
Behavioural data on the production of males by workers in the stingless bee Melipona favosa (Apidae, Meliponinae) M. J. SommeijerT. X. ChinhF. J. A. J. Meeuwsen Pages: 92 - 93
