中国星水虻属三新种(双翅目:水虻科)

Three new species of Actina from China are described as follows: Actina bimaculata,sp. nov.,A. trimaculata,sp. nov. and A. unimaculata,sp. nov. Their relationships with the relative species are discussed. The type specimens are deposited in the Entomological Museum of China Agricultural University,Beijing (CAU).