A new genus and three newly recorded species of Encyrtidae (Hymenoptera, Chalcidoidea) from China.

A new genus and species of Encyrtidae (Hymenoptera: Chalcidoidea), Apteronotus Kang, Hu & Luo, gen. nov. (type species A.indigus Kang, Hu & Luo, sp. nov. ), associated with insects inhabiting Oxytropis spp., and three newly recorded species for China, Copidosomaclavatum , Ericydnusaeneus and Tetracnemuskozlovi , are described from the Altun Mountain Nature Reserve, Xinjiang. Detailed illustrations of all species were included to support the identification and further study.