寄生天牛卵的跳小蜂一新种(膜翅目:跳小蜂科)

Notes on A New Species of Encyrtid Parasitized on Longicorn Beetles(Hymenoptera:Encyrtidae)

本文报道产自湖北，寄生天牛卵的跳小蜂一新种，即短跗皂莫跳小蜂，新种Ｚａｏｍｍｏｅｎ－ｃｙｒｔｕｓｂｒａｃｈｙｔａｒｓｕｓｓｐ．ｎｏｖ．，对新种进行了详细描述，并给出新种及我国已知另两种寄生天牛卵的跳小蜂：桑天牛澳洲跳小蜂和云斑天牛卵跳小蜂的检索表，附新种特征图。

This paper described a new species: Zaommoencyrtus brachytarsus sp.n.ex. Batocera horsfieldi (Hope) collected from Hubei Province; the other two species: Austroencyrtus ceresii (Liao et Tachikawa) and Oophagus batocerae Liao parasitized on longicorn beetle were keyed in this paper.It is also the first record of Zaommoencyrtus Girault from China.All the specimens deposited in the Department of Plant Protection,Zhejiang Agricultural University. Zaommoencyrtus brachytarsus sp.n. Host: Batocera horsfieldi (Hope). Distribution:Prov.Hubei. Specimen examed:holotype ♀,Hubei(without exact type locality),1985—04,Zhan,Zhongcai,eggs of Batocera horsfieldi (Hope),907691;paratypes 7♀♀,same data as holotype. Diagnosis:This species very similar to Zaommoencyrtus liaoi (Trjapitzin),1962,but can be distinguished form the latter by:(1)hind basal tarsi 2.6 times as long as wide,shorter than second third tarsi combined,the latter with basal tarsi as long as second third tarsi combined;(2)hind femora 2.4 times as long as wide,the latter with hind femora 3.0 times as long as wide;(3)fore wings with 4 sensory on apex of stigma,the latter with 2 sensory on apex of stigma;(4)apical half of mid tibiae yellow,basal half black,the latter with mid tibiae without dark or black colour.