Rose, M. 1990b 3.6.3.1 Periodic Colonization of Natural Enemies.. Armored Scale Insects, Their Biology, Natural Enemies and Control [Series title: World Crop Pests, Vol. 4B]. Elsevier Amsterdam, the Netherlands 688 pp.

Notes: Abstract: Augmentation of natural enemies; purposes; review of projects; considerations for successful augmentation; insectary requirements. Keywords: biological control.