Free Access Pollenkörner am Bienenkörper nach der Bestäubung verschiedener Kohlsorten (Brassica oleracea) Pollen grains adhering to bodies of honeybees after cole (Brassica oleracea) crop pollination p. 1 S. Kubišová and H. Háslbachová DOI: https://doi.org/10.1051/apido:19900101 PDF (1.005 MB)
Free Access Pattern of nectar secretion in wild cherry, Prunus puddum Roxb, and the associated foraging behaviour of Apis cerana indica F and Apis mellifera L p. 11 J.K. Gupta, M.C.M. Reddy and J. Kumar DOI: https://doi.org/10.1051/apido:19900102 PDF (344.2 KB)
Free Access Diastatic activity in some unifloral honeys p. 17 L. Persano Oddo, E. Baldi and M. Accorti DOI: https://doi.org/10.1051/apido:19900103 PDF (428.0 KB)
Free Access Eucalyptus erythrocoris: a source of nectar and pollen for honey bees in Israel p. 25 A. Lupo and D. Eisikowitch DOI: https://doi.org/10.1051/apido:19900104 PDF (607.3 KB)
Free Access Nest sites of feral honey bees in California, USA p. 35 P. Gambino, K. Hoelmer and H.V. Daly DOI: https://doi.org/10.1051/apido:19900105 PDF (550.9 KB)
Free Access Evidence of reproductive isolation confirms that Apis andreniformis (Smith, 1858) is a separate species from sympatric Apis florea (Fabricius, 1787) p. 47 S. Wongsiri, K. Limbipichai, P. Tangkanasing, M. Mardan, T. Rinderer, H.A. Sylvester, G. Koeniger and G. Otis DOI: https://doi.org/10.1051/apido:19900106 PDF (967.6 KB)
Free Access Development of Varroa jacobsoni in colonies of Apis mellifera capensis and Apis mellifera carnica p. 53 R.F.A. Moritz and D. Mautz DOI: https://doi.org/10.1051/apido:19900107 PDF (501.1 KB)
Free Access Le rôle de la reine dans la tolérance entre les ouvrières d'Apis mellifica mellificaThe queen part in the tolerance between worker bees, Apis mellifera mellifera p. 59 E. Saleh-Mghir and R. Darchen DOI: https://doi.org/10.1051/apido:19900108 PDF (538.2 KB)
Free Access Quelques facteurs déterminant le comportement de butinage d'Hypotrigona pothieri (Trigonini) dans la végétation de Côte-d'IvoireSome factors determining foraging behaviour of Hypotrigona pothieri (Hym, Apidae) in the vegetation of Ivory Coast p. 69 D. Lobreau-Callen, A. Le Thomas, B. Darchen, R. Darchen and N. D'Amico DOI: https://doi.org/10.1051/apido:19900109 PDF (834.1 KB)
