none not entered Systematics; Nomenclature; New taxa; Type species; Combination; Taxonomy; Taxonomic position; Parasites diseases and disorders; Parasites; Helminth parasites; Hosts; Insect hosts; Land and freshwater zones; Palaearctic region; USSR Beddingia (Nematoda); Hymenopteran hosts; Ichneumonidae & Siricidae; New genus Phaenopsitylenchidae (Nematoda); Coleopteran hosts; Phaenops guttulata; New taxa; Russian SFSR; Magadan Province; New taxa from coleopteran hosts Phaenops guttulata (Buprestidae); Nematode parasites; Phaenopsitylenchidae; New parasite taxa; Russian SFSR; Magadan Province; New taxa of nematode parasite Siricidae; Ichneumonidae; Nematode parasites; Beddingia; New parasite genus Beddingia (Nematoda); Gen nov; Of Phaenopsitylenchidae; Type species Deladenus wilsoni Bedding 1963, p. 20 Beddingia canii (Bedding 1974) (Nematoda); Comb nov; Transferred from; Deladenus, p. 20 Beddingia imperialis (Bedding 1974) (Nematoda); Comb nov; Transferred from; Deladenus, p. 20 Beddingia nevexii (Bedding 1974) (Nematoda); Comb nov; Transferred from; Deladenus, p. 20 Beddingia proximus (Bedding 1974) (Nematoda); Comb nov; Transferred from; Deladenus, p. 20 Beddingia rudyi (Bedding 1974) (Nematoda); Comb nov; Transferred from; Deladenus, p. 20 Beddingia siricidicola (Bedding 1968) (Nematoda); Comb nov; Transferred from; Deladenus, p. 20 Deladenus canii Bedding 1974 (Nematoda); Referred to new genus; Beddingia, p. 20 Deladenus imperialis Bedding 1974 (Nematoda); Referred to new genus; Beddingia, p. 20 Deladenus nevexii Bedding 1974 (Nematoda); Referred to new genus; Beddingia, p. 20 Deladenus proximus Bedding 1974 (Nematoda); Referred to new genus; Beddingia, p. 20 Deladenus rudyi Bedding 1974 (Nematoda); Referred to new genus; Beddingia, p. 20 Deladenus siricidicola Bedding 1968 (Nematoda); Referred to new genus; Beddingia, p. 20 Deladenus wilsoni Bedding 1963 (Nematoda); Designated type species for new genus; Beddingia, p. 20 Phaenopsitylenchidae (Nematoda); Fam nov; Of Sphaerularioidea; Type genus Phaenopsitylenchus, p. 14 Phaenopsitylenchus (Nematoda); Gen nov; Of Phaenopsitylenchidae; Type species P. laricis, p. 15 Phaenopsitylenchus laricis (Nematoda); Sp nov; Russian SFSR, host Phaenops guttulata (Coleoptera); P. 15, fig'd