Description of a New Species and Two New Record Species of Metaphycus Mercet(Hymenoptera: Encyrtidae) from China

The present paper reports a new species,Metaphycus longifuniculus Li,sp.nov. and two new record species,Metaphycus albopleuralis(Ashmead)and Metaphycus insidiosus(Mercet)from China.All the type specimens are deposited in the Insect Collection of Northeast Forestry University,Harbin,Heilongjiang,China.Metaphycus longifuniculus Li, sp. nov. (Figs. 14~20) The new species is similar to M. tenuicornis (Timberlake), but can be distinguished from the latter by the following characters. The new species with thepedicel shorter than all the funicle segments, while the latter with pedicel longer than the first funicle segment; the new species with ocelli arranged into an obtuse triangle, while the latter with ocelli arranged into an acute triangle; the new species with the exerted part of ovipositor about half as long as gaster, while the latter with the exerted part of ovipositor about one fourth of gaster. The new species is also similar to Chinese species M. longicaudae (Shi, Si Wang), M. flavus (Si, Shi Wang) and M. longipedicellus (Si, Shi Wang), but also can be distinguished by the above combination of characteristics. Holotype: ♀(E9406-07), 05-Ⅵ-1994, reared from Kermes sp. on Quercus alien, Pulandian, Liaoning Province, LI Cheng-de and LI Juan; Paratypes: 11♀♀, 7♂♂, same data as holotype.