Calohilara(Diptera:Empididae),newly recorded from China with description of one new species

弯脉喜舞虻属Calohilara——中国新记录及一新种记述(双翅目:舞虻科)

Here the subgenus Calohilara Frey of the genus Hilara is raised to the generic level by having the unique characters such as male eyes narrowly separated on the face with the enlarged anterior ommatidia,male and female wings with distinct dark markings and R2+3 strongly bent.The following three new combinations are established:Calohilara elegans(Frey,1952),comb.nov.,Calohilara kambaitiensis(Frey,1952),comb.nov.,and Calohilara pulchella(Frey,1952),comb.nov.This genus is newly recorded from China.One new species,Calohilara tibetensis sp.nov.,is described.A key to world species of Calohilara is provided.

喜舞虻属Hilara中的弯脉喜舞虻亚属Calohilara Frey具有雄复眼在颜上窄地分开且前面的小眼面扩大、雌雄翅具有显著的暗斑和径脉R2+3强烈弯曲等独特的鉴别特征。本文把该亚属提升为属,并建立如下3个新组合:Calohilara elegans(Frey,1952),comb.nov.,Calohilara kambaitiensis(Frey,1952),comb.nov.和Calohilara pulchella(Frey,1952),comb.nov.。首次发现该属在我国有分布,记述1新种西藏弯脉喜舞虻Calohilara tibetensis sp.nov.,并编制分种检索表。