1. Allen, M.F., Ball, B.V., White, R.F. and Antoniw, J.F., 1986. The detection of Acute Paralysis Virus inVarroa jacobsoni by the use of a simple indirect ELISA. J. Apic. Res., 25: 100?105.
2. Ball, B.V., 1985. Acute paralysis virus isolates from honey bee colonies infested withVarroa jacobsoni. J. Apic. Res., 24: 115?119.
3. Batuev, Y.M., 1979. New information about virus paralysis. Pchelovodstvo, 7: 10?11.
4. Beetsma, J., de Vries, R., Emami Yeganeh, B., Emami Tabrizi, M. and Bandpay, V., 1989. Effects ofVarroa jacobsoni Oud. on colony development, worker bee weight and longevity and brood mortality. In: R. Cavalloro (Editor), Proceedings of a Meeting of EC-Experts' Group, Udine, 28?30 November 1988. Office for Official Publications of the European Communities, Luxembourg, pp. 163?170.
5. de Jong, D. and de Jong, P.H., 1983. Longevity of Africanized bees (Hymenoptera: Apidae) infested byVarroa jacobsoni (Parasitiformes: Varroidea). J. Econ. Entomol., 76: 766?768.