Reproductive success increases with degree of kinship in cooperative coalitions of female red howler monkeys (Alouatta seniculus) T. R. Pope Original Article Pages: 253 - 267
Does risk of intraspecific interactions induce shifts in prey-size preference in aquatic predators? P. A. NilssonKristian NilssonPer Nyström Original Article Pages: 268 - 275
Mating frequency, colony size, polyethism and sex ratio in fungus-growing ants (Attini) T. MurakamiSeigo HigashiDonald Windsor Original Article Pages: 276 - 284
The red and the black: habituation and the dear-enemy phenomenon in two desert Pheidole ants T. A. LangenFrédéric TripetPeter Nonacs Original Article Pages: 285 - 292
Siblicide in the cooperatively breeding laughing kookaburra (Dacelo novaeguineae) S. Legge Original Article Pages: 293 - 302
Post-mating odor in females of the solitary bee, Andrena nigroaenea (Apoidea, Andrenidae), inhibits male mating behavior F. P. SchiestlManfred Ayasse Original Article Pages: 303 - 307
Local mate competition and precise sex ratios in Telenomus fariai (Hymenoptera: Scelionidae), a parasitoid of triatomine eggs Jorge E. RabinovichMartín Torres JordáC. Bernstein Original Article Pages: 308 - 315
Sex ratio and oviposition responses to host age and the fitness consequences to mother and offspring in the parasitoid wasp Spalangia endius B. H. King Orginal Article Pages: 316 - 320
Does cannibalism in Spodoptera frugiperda (Lepidoptera: Noctuidae) reduce the risk of predation? J. W. ChapmanTrevor WilliamsDave Goulson Original Article Pages: 321 - 327
Life history costs of olfactory status signalling in mice L. M. GoslingS. C. RobertsM. J. Andrew Original Article Pages: 328 - 332