Taxonomic study of the genus Aoyuanus Ding Chen with descriptions of two new species (Hemiptera Fulgoromorpha Delphacidae)

摘要

The delphacid planthoppers genus Aoyuanus Ding & Chen, 2001 is reviewed. Two new species, A.spathulus>sp. n. and A.varius>sp. n., are described and illustrated from China to give the genus three species in total, and the generic characteristics are redefined. A short description and illustrations are also given for A.furcatus. A key to all known species of Aoyuanus based on male genitalia is provided.