Free Access Field control and biology studies of a new pest species, Aethina tumida Murray (Coleoptera, Nitidulidae), attacking European honey bees in the Western Hemisphere p. 361 Patti J. Elzen, James R. Baxter, David Westervelt, Charlotte Randall, Keith S. Delaplane, Laurence Cutts and William T. Wilson DOI: https://doi.org/10.1051/apido:19990501 AbstractPDF (468.2 KB)
Free Access Influence of body fluid from pin-killed honey bee pupae on hygienic behavior p. 367 Kátia Peres Gramacho, Lionel Segui Gonçalves, Peter Rosenkranz and David De Jong DOI: https://doi.org/10.1051/apido:19990502 AbstractPDF (674.9 KB)
Free Access Comparison of the responses of two races of honeybees to infection with Nosema apis Zander p. 375 Louise Anne Malone and Dragana Stefanovic DOI: https://doi.org/10.1051/apido:19990503 AbstractPDF (498.9 KB)
Free Access Economic threshold for Varroa jacobsoni Oud. in the southeastern USA p. 383 Keith S. Delaplane and W. Michael Hood DOI: https://doi.org/10.1051/apido:19990504 AbstractPDF (825.7 KB)
Free Access Association of Institutes for Bee Research, 50 year anniversary 1949-1999. Report of the 46th seminar in Marburg, 23-25 March 1998 p. 397 DOI: https://doi.org/10.1051/apido:19990505 AbstractPDF (4.676 MB)
