Free Access Effects of a Bacillus thuringiensis toxin, two Bacillus thuringiensis biopesticide formulations, and a soybean trypsin inhibitor on honey bee (Apis mellifera L.) survival and food consumption p. 465 Louise Anne Malone, Elisabeth Phyllis June Burgess. and Dragana Stefanovic DOI: https://doi.org/10.1051/apido:19990601 PDF (619.8 KB)
Free Access Virus infections in Nordic honey bee colonies with no, low or severe Varroa jacobsoni infestations p. 475 Sanna Nordström, Ingemar Fries, Aasne Aarhus, Henrik Hansen and Seppo Korpela DOI: https://doi.org/10.1051/apido:19990602 PDF (652.1 KB)
Free Access Estimation of population parameters for tolerance of the honey bee (Apis mellifera carnica) for Varroa jacobsoni OudemansSchätzung von Populationsparametern für die Toleranz der Honigbiene (Apis mellifera carnica) gegenüber Varroa jacobsoni Oudemans p. 485 Christian Boigenzahn and Alfons Willam DOI: https://doi.org/10.1051/apido:19990603 PDF (409.2 KB)
Free Access Development of Varroa jacobsoni in colonies of Apis mellifera iberica in a Mediterranean climate p. 491 Manuela R. Branco, Neil A.C. Kidd and Robert S. Pickard DOI: https://doi.org/10.1051/apido:19990604 PDF (814.1 KB)
Free Access Using DNA microsatellites for maternity testing in honeybees (Apis mellifera L.) p. 505 Peter Neumann, Robin F.A. Moritz and Dietrich Mautz DOI: https://doi.org/10.1051/apido:19990605 PDF (451.6 KB)
Free Access The pore in the hard conical Apis cerana drone capping results from a spinning process p. 513 Otto Boecking, Peter Rosenkranz and Masami Sasaki DOI: https://doi.org/10.1051/apido:19990606 PDF (1.412 MB)
Free Access Pesticide residues in bee products collected from cherry trees protected during blooming period with contact and systemic fungicides p. 521 Marek Kubik, Janusz Nowacki, Andrzej Pidek, Zofia Warakomska, Lech Michalczuk and Włodzimierz Goszczyñski DOI: https://doi.org/10.1051/apido:19990607 PDF (742.1 KB)
