寄生刺槐绿虎天牛的姬蜂并记述一新种(膜翅目,姬蜂科)

ICHNEUMONIDS PARASITIZING CHLOROPHORUS DIADEMA WITH DESCRIPTION OF A NEW SPECIES (HYMENOPTERA, ICHNEUMONIDAE)

报道了寄生刺槐绿虎天牛Chlorophorusdiadema(Motschulsky)的2种姬蜂:新种刺槐天牛善姬蜂Aritranisrobiniaesp.nov.和泰山筒瘤姬蜂PimplaetustaishanensisHe,1996。新种的模式标本保存在国家林业局森林病虫害防治总站。

Two species of the family Ichneumonidae parasitizing Chlorophorus diadema （ Motschulsky ） are reported. Aritranis robiniae sp. nov. is new to science. Female of Pimplaetus taishanensis He, 1996 and its host are reported for the first time. The type specimen is deposited in the Insect Collection Museum of the General Station of Forest Pest Management, State Forestry Administration, Shenyang, China. Aritranis robiniae sp. nov. （Figs. 1-5） This new species is similar to A. chinensis （Uchida, 1952） but can be distinguished from the latter by： propodeum with distinct basal transverse carina and dense irregular weak wrinkles, without puncture; postpetiole smooth, without puncture; tergite 1-2 and basal margin of tergite 3 reddish brown; each of tergites 7 and 8 with a big white mark. A. chinensis （ Uchida ） ： basal transverse carina indistinct, with dense wrinkle-punctures; postpetiole with disperse rough punctures; apical portion of tergite 1, tergites 2-3 and basal half of tergite 4 red; tergite 7 with a small white mark. Holotype ♀, Shenyang, Liaoning Province, 23 May 2005, SUN Shu-Ping and SHENG Mao-Ling. Host. Reared from Chlorophorus diadema （Motschulsky）. Host plant. Robinia pseudoacacia L. Etymology. This new species is named after the name of its host plant. Pimplaetus taishanensis He, 1996 Specimens examined. 1 ♂ , reared from larva of Chlorophorus diadema Motsch. , Shenyang, Liaoning Province, 5 Mar. 2004, SHENG Mao-Ling; 1♀, Fengrnan, Jilin Province, 15 May 2004, SHENG Mao-Ling; 1 ♀, Haicheng, Liaoning Province, June 2004, CHEN Tian-Lin; 1♀, Yitong, Jilin Province, 24 May 2005, ZHAO Chang-Sheng. Host plant： Robinia pseudoacacia L.