none FORMICIDAE-; ASSOCIATIONS-; Aphis fabae cirsiiacanthoidis (Hemiptera); Protection against hymenopteran parasites; Cuticular hydrocarbon significance Lysiphlebus cardui; BIOCHEMISTRY-; CUTICLE-; Cuticular hydrocarbons, comparison with hemipteran host; Role in relationship with Formicidae associated with host; AGONISTIC-BEHAVIOUR; Relationship with Formicidae associated with hemipteran hosts; Cuticular hydrocarbon profile significance; HEMIPTERAN-HOSTS; Aphis fabae cirsiiacanthoidis; Parasite & host cuticular hydrocarbon profile similarity; Role in relationship with associated Formicidae Trioxys angelicae; BIOCHEMISTRY-; CUTICLE-; Cuticular hydrocarbons, comparison with hemipteran host; Role in relationship with Formicidae associated with host; MIMICRY-; Of Aphis fabae cirsiiacanthoidis (Hemiptera) host hydrocarbons; AGONISTIC-BEHAVIOUR; Relationship with Formicidae associated with hemipteran hosts; Cuticular hydrocarbon profile significance; HEMIPTERAN-HOSTS; Aphis fabae cirsiiacanthoidis; Parasite & host cuticular hydrocarbon profile similarity; Role in relationship with associated Formicidae Aphis fabae cirsiiacanthoidis; BIOCHEMISTRY-; CUTICLE-; Cuticular hydrocarbons, similarity with hymenopteran parasites; Role in parasitic relationship; MIMICRY-; Chemical mimicry by Trioxys angelicae (Hymenoptera) parasite; Role in relationship with associated Formicidae; ASSOCIATIONS-; Formicidae (Hymenoptera); Protection against hymenopteran parasites; Cuticular hydrocarbon significance; HYMENOPTERAN-PARASITES; Lysiphlebus cardui & Trioxys angelicae; Parasite & host cuticular hydrocarbon profile similarity; Role in relationship with associated Formicidae (Hymenoptera)