Queen condition and alate density affect pleometrosis in the antLasius pallitarsis P. Nonacs Research Articles Pages: 3 - 13
Genetic differentiation of disjunct populations of the antsFormica aquilonia andFormica lugubris in Europe P. PamiloD. ChautemsD. Cherix Research Articles Pages: 15 - 29
Extreme queen-worker dimorphism inRopalidia ignobilis, a small-colony wasp (Hymenoptera: Vespidae) J. W. Wenzel Research Articles Pages: 31 - 43
Development of the embryo nest ofVespa affinis (Hymenoptera: Vespidae) in Southern Japan S. J. Martin Research Articles Pages: 45 - 57
Trail laying behaviour during food recruitment in the antLasius niger (L.) R. BeckersJ. L. DeneubourgS. Goss Research Articles Pages: 59 - 72
The effects of colony characteristics on life span and foraging behavior of individual wasps (Polybia occidentalis, Hymenoptera: Vespidae) S. O'DonnellR. L. Jeanne Research Articles Pages: 73 - 80
Relations entre la fourmi parasiteFormicoxenus provancheri et son hôteMyrmica incompleta. Données biologiques et éthologiques (Hym. Formicidae) A. LenoirC. ErrardR. Loiselle Research Articles Pages: 81 - 97
Young queens of the harvesting antMessor semimfus avoid founding in places visited by conspecific workers T. J. Kawecki Short Communication Pages: 113 - 115