none Parasites diseases and disorders; Parasites; Insect parasites; Hosts; Insect hosts; Host parasite relationships; Diseases and disorders; Diseases; Microbial diseases Aphidius sonchi (Braconidae); Hemipteran hosts; Hyperomyzus lactucae; Host parasite relationships; Occurrence in hemipteran host; Host susceptibility to fungal disease relationships Trioxys complanatus (Braconidae); Hemipteran hosts; Therioaphis trifolii; Host parasite relationships; Occurrence in hemipteran host; Host susceptibility to fungal disease relationships Hyperomyzus lactucae (Aphidoidea); Hymenopteran parasites; Aphidius sonchi; Parasite effects on host susceptibility to fungal disease; Host parasite relationships; Hymenopteran parasite occurrence; Host susceptibility to fungal disease relationships; Reaction of host to parasite; Susceptibility to Erynia neoaphidis (fungi); Fungal diseases; Erynia neoaphidis; Host susceptibility, effect of hymenopteran parasite occurrence Therioaphis trifolii (Aphidoidea); Hymenopteran parasites; Trioxys complanatus; Parasite effects on host susceptibility to fungal disease; Host parasite relationships; Hymenopteran parasite occurrence; Host susceptibility to fungal disease relationships; Reaction of host to parasite; Susceptibility to Zoophthora radicans (fungi); Fungal diseases; Zoophthora radicans; Host susceptibility, effect of hymenopteran parasite occurrence