Gulmahamad, H., & DeBach, P. 1978a Biological studies on Aphytis aonidiae (Mercet) (Hymenoptera: Aphelinidae), an important parasite of the San Jose Scale.. Hilgardia 46: 239-256.

Notes: Host-feeding behavior (Quadraspidiotus perniciosus), priority of host-feeding over oviposition, mortality caused by host-feeding on San Jose scale, influence of scale density on host feeding, and influence of parasite density on host-feeding.