Free Access Are there pheromonal dominance signals in the bumblebee Bombus hypnorum L (Hymenoptera, Apidae)? p. 163 M. Ayasse, T. Marlovits, J. Tengö, T. Taghizadeh and W. Francke DOI: https://doi.org/10.1051/apido:19950301 PDF (1.035 MB)
Free Access Why males of leafcutter bees hold the females' antennae with their front legs during mating p. 181 D. Wittmann and B. Blochtein DOI: https://doi.org/10.1051/apido:19950302 PDF (2.073 MB)
Free Access On optimal nectar foraging by some tropical bees (Hymenoptera: Apidae) p. 197 D.W. Roubik, D. Yanega, M. Aluja S, S.L. Buchmann and D.W. Inouye DOI: https://doi.org/10.1051/apido:19950303 PDF (1011 KB)
Free Access Rest at night in some solitary bees - a comparison with the sleep-like state of honey bees p. 213 W. Kaiser DOI: https://doi.org/10.1051/apido:19950304 PDF (1.151 MB)
Free Access Virgin queens in stingless bee (Apidae, Meliponinae) colonies: a review p. 231 V.L. Imperatriz-Fonseca and R. Zucchi DOI: https://doi.org/10.1051/apido:19950305 PDF (1.002 MB)
Free Access Social parasitism in bumble bees (Hymenoptera, Apidae): observations of Psithyrus sylvestris in Bombus pratorum nests p. 245 G. Küpper and K.H. Schwammberger DOI: https://doi.org/10.1051/apido:19950306 PDF (605.6 KB)
Free Access Parasites and social insects p. 255 P. Schmid-Hempel DOI: https://doi.org/10.1051/apido:19950307 PDF (1.187 MB)