机译:Two new species of the genus Notacanthurus from China (Ephemeroptera: Heptageniidae, Ecdyonurinae)
Nanjing Normal Univ, Coll Life Sci, Key Lab Jiangsu Biodivers & Biotechnol, Nanjing 210046, Peoples R China;
Heptageniid mayfly; N. maculatus sp. n.; N. lamellosus sp. n.; morphology; classification;