none Parasites diseases and disorders; Parasites; Insect parasites; Hosts; Insect hosts; Host parasite relationships; Ecology; Population dynamics; Habitat utilization; Marine zones Mythimna unipunctata (Noctuidae); Hymenopteran parasites; Apanteles militaris; Prevalence; Pupal density of Apanteles militaris (Hymenoptera); Population density; Larvae; Habitat preference; Altitude & vegetation characteristics; Atlantic Ocean; Azores; Pico Island, distribution & parasitism Apanteles militaris (Braconidae); Lepidopteran hosts; Mythimna unipunctata; Prevalence; Pupal density in Mythimna unipunctata (Lepidoptera); Atlantic Ocean; Azores; Pico Island; Prevalence in lepidopteran host population