none Whole animal physiology; Parasites diseases and disorders; Parasites; Insect parasites; Hosts; Insect hosts; Host parasite relationships; Habitat; Man made habitat; Land and freshwater zones; Palaearctic region; Europe Dacus oleae (Tephritidae); Hymenopteran parasites; Opius concolor, host prevalence on plant host relations, influences; Plant hosts; Olea europaea (olive), hymenopteran parasite prevalence relations; Prevalence; Olea europaea (plant); Opius concolor (Hymenoptera) prevalence relation; Spain; Jaen; Hymenopteran parasite effect on prevalencce on plant host Opius concolor (Braconidae); Dormancy; Prevalence on dipteran host relations, host prevalence on plant effect; Dipteran hosts; Dacus oleae, dormancy relations, host prevalence on plant implications; Prevalence; Davus oleae (Diptera); Cultivated land habitat; Olive field, prevalence on Diptera, effect on host prevalence on plant; Spain; Jaen; Prevalence on dipteran host, host prevalence on plant relations, influences