Review of the Idaea proximaria complex (Lepidoptera, Geometridae, Sterrhinae) with descriptions of four new species

Abstract

The Idaea proximaria complex is reviewed and four new species are described from China: Idaea rectangularis Cheng & Han, sp. nov. from Guangxi and Fujian provinces, Idaea rectispina Cheng & Han, sp. nov. from Hunan province, Idaea setosa Xue & Han, sp. nov. from Hainan province, and Idaea linearis Xue & Han, sp. nov. from Hubei and Shaanxi provinces. Illustrations of adults and genitalia of the new species and known species are presented, and the variations in the form of the aedeagus of Idaea proximaria are discussed.