Field evidence that host selection by conopid parasitoids is related to host body size C. B. MüllerT. M. BlackburnP. Schmid-Hempel Research Article Pages: 227 - 233
Genetic relatedness in the antCamponotus herculeanus. A comparison of estimates from allozyme and DNA microsatellite markers P. SeppäP. Gertsch Research Article Pages: 235 - 246
Characteristics of usurped colonies in the subtropical paper wasp,Ropalidia fasciata (Hymenoptera: Vespidae) S. KatadaO. Iwahashi Research Article Pages: 247 - 253
Behaviour in usurpers and late joiners ofPolistes biglumis bimaculatus (Hymenoptera, Vespidae) R. CervoM. C. Lorenzi Research Article Pages: 255 - 266
A newly-discovered mode of colony founding among fire ants W. R. Tschinkel Research Article Pages: 267 - 276
Intraspecific variation in the comb structure ofPolistes dominulusi parameters, maturation, nest size and cell arrangement I. KarsaiZ. Pénzes Research Article Pages: 277 - 296
Depletion of reserves in ant queens during claustral colony founding D. E. WheelerN. A. Buck Research Article Pages: 297 - 302
Relationship of queen number and worker size in polygyne colonies of the fire antSolenopsis invicta M. A. D. GoodismanK. G. Ross Research Article Pages: 303 - 307
Temporal and spatial variation in reproduction in the facultatively polygynous antMyrmica tahoensis (Hymenoptera: Formicidae) J. D. Evans Research Article Pages: 309 - 317
The reproductive potential of workers in slave-making ants J. Heinze Research Article Pages: 319 - 328
Variation of colony types in the antFormica cinerea K. LindströmS. Å. BerglindP. Pamilo Short Communication Pages: 329 - 332