none Techniques; Care in captivity; Parasites diseases and disorders; Parasites; Insect parasites; Hosts; Insect hosts; Host parasite relationships; Ecology; Population dynamics; Animal constructions; Land and freshwater zones; Nearctic region; North America; USA Compsilura concinnata (Tachinidae); Rearing techniques; Artificial host, parasite of Lymantria dispar (Lepidoptera); Lepidopteran hosts; Lymantria dispar; Control potential & parasite rearing studies Lymantria dispar (Lymantriidae); Dipteran parasites; Compsilura concinnata; Control potential & parasite rearing studies; Hymenopteran parasites; Apanteles; Brachymeria & Coccygomimus; Parasite & hyperparasite studies to increase control effectiveness; Hyperparasitism; Apanteles melanoscelus & Eurytoma appendigaster (Hymenoptera); Connecticut; Hymenopteran parasites & hyperparasites, control studies Apanteles melanoscelus (Braconidae); Hymenopteran parasites; Lepidopteran hosts; Lymantria dispar; Parasite & hyperparasite studies to increase control effectiveness; Hyperparasitism; Eurytoma effect on control of Lymantria (Lepidoptera); Penetration of host; Eurytoma appendigaster, cocoon structure factors; Mortality; Overwintering larvae, hymenopteran hyperparasite relationship; Cocoons; Structure effect on penetration by hymenopteran hyperparasite; Connecticut; Eurytoma effects on control of Lymantria (Lepidoptera) host Coccygomimus disparis (Ichneumonidae ); Brachymeria lasus (Chalcididae ); Lepidopteran hosts; Lymantria dispar; Parasite & hyperparasite studies to increase control effectiveness Eurytoma appendigaster (Eurytomidae); Hymenopteran hosts; Apanteles melanoscelus; Penetration of host & effect on host mortality; Connecticut