''Diadegma areolare'' is a

wasp A wasp is any insect of the narrow-waisted suborder Apocrita of the order Hymenoptera which is neither a bee nor an ant; this excludes the broad-waisted sawflies (Symphyta), which look somewhat like wasps, but are in a separate suborder. Th ...

first described by

August Emil Holmgren August Emil Algot Holmgren (10 November 1829 – 30 December 1888) was a Swedish entomologist mainly interested in the Hymenoptera, especially Ichneumonidae The Ichneumonidae, also known as the ichneumon wasps, Darwin wasps, or ichneumonids, ar ...

in 1860. No subspecies are listed.Dyntaxa Diadegma areolare
/ref>Holmgren, A.E. (1860) Forsok till uppstallning och beskrifning af de i Sverige funna Ophionider. (Monographia Ophionidum Sueciae)., Kongliga Svenska Vetenskapsakademiens Handlingar. 2(8):1-158.''Taxapad Ichneumonoidea''. Yu D.S.K., 2009-05-04

References

areolare Insects described in 1860 Taxa named by August Holmgren {{Ichneumonidae-stub