Université de Neuchâtel

Host stage preference and sex allocation in Aenasius vexans, an encyrtid parasitoid of the cassava mealybug

Bertschy, Catherine ; Turlings, Ted C. J. ; Bellotti, Anthony ; Dorn, Silvia

In: Entomologia Experimentalis et Applicata, 2000, vol. 95, no. 3, p. 283-291

The solitary endoparasitoid Aenasius vexans Kerrich (Hymenoptera: Encyrtidae) is used for augmentative releases against the cassava mealybug, Phenacoccus herreni Cox & Williams (Sternorrhyncha: Pseudococcidae), an important pest on cassava in South America. In light of the need for large numbers of high quality females, experiments were conducted on host stage suitability and sex...