Diadegma melaniumThomson, C.G. (1887) XXXV. Forsok till uppstallning och beskrifning af aterna inom slagtet Campoplex (Grav.)., Opuscula Entomologica. Lund. XI:1043-1182. is a wasp first described by Carl Gustaf Thomson in 1887. It is a member of the genus Diadegma and family Ichneumonidae.Taxapad Ichneumonoidea. Yu D.S.K., 2009-05-04Dyntaxa Diadegma melanium It inhabits Sweden. No subspecies are listed. It is a parasitoid of Bucculatrix noltei.
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