1. ALBER, M. F. (1953) II calabrone, tigre dell'aria. Apocol. Ital. 20: 188-189 (cited from Bee World 34: 40, 1953).
2. DE JONG, D. (1978) Insects: Hymenoptera (ants, wasps and bees). In Honey Bee Pests, Predators, and Diseases. Chapter 9 (R. A. MORSE, ed.). Cornell Univ. Press, Comstock, pp. 138-157.
3. ISHAY, J., H. BYTINSKI-SALZ and A. SHULOV (1967) Contribution to the bionomics of the Oriental hornet (Vespa orientalis FAB.). Israel J. Ent. 2: 45-106.
4. LOUVEAUX, J. (1966) Les modalites de l'adaptation des Abeilles (Apis mellifica) au milieu naturel. Ann. Abeille 9: 323-350.
5. MATSUURA, M. (1967) Notes on the Japanese hornet as a serious pest of honeybees. I. Jap. Bee J. Mont. 20: 6-9 (in Japanese).