摘要
勾天牛属Exocentrus隶属于沟胫天牛亚科,由Mulsant建立于1839年,模式种为Exocentrus cinereus Mulsant,主要分布于古北区,非洲,东洋区,澳洲及新热带区,全世界已知近300种,我国记载的种数不超过其1/10。本属体小型,较平坦,体表常被有似直立的毛或刚毛。头宽,触角基瘤分开,头顶较平,很少凹入,触角略长于体长。
In this paper a new species of the Genus Exocentrus Mulsant is described from Beijing, China. The type specimens are deposited in the Insect Collection of Beijing Forestry University.Exocentrus Beijingensis sp. nov. (fig. 1)This new species is allied to Exocentrus hupehensis Gressitt 1951, but it can be distinguish-ed from the latter mainly by: The body smaller; inferior eye-lobe nearly two times as deep as gena below it; antennae slightly longer than body; prothorax three quarters as broad as long, its anterior border reddish brown; sparsely punctured near the median suture.Holotype Beijing, June 1989, collected by Yu Su-ying, allotype , Beijing Municipality, Yanqing County, May 1982.
出处
《昆虫学报》
CAS
CSCD
北大核心
1993年第2期195-197,共3页
Acta Entomologica Sinica
