A new genus and species of Macrosiphini (Hemiptera Aphididae) from China living on Isodon eriocalyx

摘要

The aphid genus Nigritergaphis >gen. n. is described, and N. crassisetosa >sp. n. on Isodon eriocalyx (Dunn) Kudô (Lamiaceae) from Yunnan, China is described and illustrated. The new species curls and distorts the leaves of this important traditional Chinese medicinal plant, and is evidently specific to this host. Holotype and paratypes are deposited in the National Zoological Museum of China, Institute of Zoology, Chinese Academy of Sciences, Beijing, China.