none Parasites diseases and disorders; Parasites; Insect parasites; Hosts; Insect hosts; Host parasite relationships; Ecology; Community structure; Population dynamics; Habitat; Man made habitat; Land and freshwater zones; Palaearctic region; Europe Propylea quatuordecimpunctata (Coccinellidae); Fungal parasites; Beauveria; Dipteran parasites; Medina luctuosa; Hymenopteran parasites; Perilitus coccinellae; Reaction of host to parasite; Mortality rates, fungal & insect parasites; Relative abundance; Mortality; Fungal & insect parasites relationships; Distribution within habitat; Cultivated land habitat; Poland; Apple orchards, occurrence & parasitic mortality rates Medina luctuosa (Tachinidae ); Perilitus coccinellae (Braconidae ); Coleopteran hosts; Propylea quatuordecimpunctata; Reaction of host to parasite; Propylea quatuordecimpunctata (Coleoptera); Mortality rates; Cultivated land habitat; Apple orchards; Poland; Coleopteran host mortality rates, apple orchard