Bin, F. 1991 Proceedings of the 4th European Workshop, Insect Parasitoids-Tritrophic Interactions.. Redia 74(3).

Notes: [Conference held in Perugia, Italy, April 3-5, 1991.] Papers that include information on scales are: Sex allocation in Epidinocarsis lopezi: the influence of host-size distribution and its effect on the population sex ratio in cassava fields in Africa (Van Dijken & Van Alphen) and Interspecific host discrimination and competition in Epidinocarsis lopezi and E. diversicornis, parasitoids used for biological control of the cassava mealybug Phenacoccus manihoti (Pijls et al.).