Free Access Microorganisms associated with pollen, honey, and brood provisions in the nest of a stingless bee, Melipona fasciata p. 89 M. Gilliam, D.W. Roubik and B.J. Lorenz DOI: https://doi.org/10.1051/apido:19900201 AbstractPDF (500.2 KB)
Free Access Bacteria belonging to the genus Bacillus associated with three species of solitary bees p. 99 M. Gilliam, S.L. Buchmann, B.J. Lorenz and R.J. Schmalzel DOI: https://doi.org/10.1051/apido:19900202 AbstractPDF (354.4 KB)
Free Access Age-related foraging behaviour in honey bees under artificial conditions p. 107 M.H. Pham-Delègue, M. Le Métayer, P. Douault and C. Masson DOI: https://doi.org/10.1051/apido:19900203 AbstractPDF (475.5 KB)
Free Access Honey bee (Apis mellifera L) response to simulated onion nectars containing variable sugar and potassium concentrations p. 115 J.R. Hagler DOI: https://doi.org/10.1051/apido:19900204 AbstractPDF (412.5 KB)
Free Access Esterase-6 locus, a new enzyme polymorphism in Apis mellifera p. 123 A. Biasiolo and A. Comparini DOI: https://doi.org/10.1051/apido:19900205 AbstractPDF (272.1 KB)
Free Access Effects of honey-bee alarm pheromone compounds on the behaviour of Varroa jacobsoni p. 127 B. Kraus DOI: https://doi.org/10.1051/apido:19900206 AbstractPDF (482.1 KB)
Free Access Quantification of cluster size and low ambient temperature relationships in the honey bee p. 135 D.W. Severson and E.H. Erickson Jr DOI: https://doi.org/10.1051/apido:19900207 AbstractPDF (438.5 KB)
Free Access Les relations entre le rythme d'excrétion et la teneur en eau des miellats chez les pucerons Cinara pectinatae (Nördl) et Cinara pilicornis (Hartig) (Homoptera, Lachnidae) et le rythme de récolte de ces miellats par l'abeille domestique Apis mellifica LThe relation between excretory rhythm and water content of honeydew from Cinara pectinatae Nördl and Cinara pilicornis (Hartig) and the honeydew harvesting activity of the honeybee, Apis mellifica L p. 143 A. Bloc and H. Montagner DOI: https://doi.org/10.1051/apido:19900208 AbstractPDF (493.0 KB)
Free Access On the relative importance of queens and workers to honey production p. 153 B.P. Oldroyd, R.D. Goodman and M.A. Allaway DOI: https://doi.org/10.1051/apido:19900209 AbstractPDF (413.0 KB)
Free Access Male reproductive organs of Apis dorsata p. 161 G. Koeniger, M. Mardan and F. Ruttner DOI: https://doi.org/10.1051/apido:19900210 AbstractPDF (222.5 KB)
