The ophionine wasps of Hawaii (Hymenoptera: Ichneumonidae)

Hawaii's largest group of Ichneumonidae, the Ophioninae, is reviewed. Thirty species are recognized in one genus, Enicospilus Stephens. A key to species and a table of distributions indicating 26 new island records are provided. The following seven species are described as new: Enicospilus ashei, Enicospilus dorsolineatus, Enicospilus elekino, Enicospilus hainesi, Enicospilus gladiator, Enicospilus minimus, and Enicospilus petilus. Enicospilus tyrannus Perkins 1910 is newly synonymized with Enicospilus longicornis Ashmead 1901. The following genera are synonymized with Enicospilus: Abanchogastra Perkins 1902, Banchogastra Ashmead 1900, and Pycnophion Ashmead 1900. Replacement names are Enicospilus blackburni (= Enicospilus molokaiensis Ashmead 1901) and Enicospilus swezeyi (= Pycnophion fuscipennis Perkins 1910).