Megaetaira Gauld & Dubois, 2006
Type species: Pimpla (Acrodactyla) madida Haliday, 1838; original designation
Acrodactyla inoperta Kusigemati, 1985: 143; 台湾,北海道（大雪山,空沼岳）,山形（月山）,島根（匹見）,大分（九重）,熊本（五家荘）,屋久島（小杉谷,愛子岳）
Megaetaira inoperta: Matsumoto, 2016: 9
分布：北,本,九,台湾
Polysphincta varicarinata Uchida & Momoi, 1958: 27; 北海道（愛山渓,大雪山）
Polysphincta varicarinata: Hashimoto, 1963: 28; 三重; ヤマジドヨウグモ
Acrodactyla varicarinata: Townes, Momoi & Townes, 1965: 35
Megaetaira varicarinata: Matsumoto, 2016: 9
分布：北,本;ロシア
寄主：Meta reticuloides ヤマジドヨウグモ
Gauld ID, Dubois J (2006) Phylogeny of the Polysphincta group of genera (Hymenoptera: Ichneumonidae; Pimplinae): a taxonomic revision of spider ectoparasitoids. Systematic Entomology, 31(3): 529-564.
橋本理市 [Hashimoto R] (1963) 蜘蛛類の寄生蜂６種. Acta arachnologica, 18(2): 27−29
Kusigemati K (1985) Some Ephialtinae of south east Asia, with descriptions of eleven new species (Hymenoptera: Ichneumonidae). Memoirs of the Kagoshima University, Research Center for the South Pacific, 5: 126-150.
Matsumoto R (2016) Molecular phylogeny and systematics of the Polysphincta group of genera (Hymenoptera, Ichneumonidae, Pimplinae). Systematic Entomology, doi: 10.1111/syen.12196