Blumberg, D. 1977 Encapsulation of parasitoid eggs in soft scales (Homoptera: Coccidae).. Ecological Entomology 2: 185-192.

Notes: Abstract: Saissetia oleae, S. coffeae & Coccus hesperidum studied; S. oleae was most suitable host for Metaphycus spp.; incidence of encapsulation; effect of stage of host. Keywords: encapsulation; biological control.