海南双距螯蜂属二新种(膜翅目: 螯蜂科)

Two new species of the genus Gonatopus Ljungh from Hainan, China(Hymenoptera: Dryinidae).

本文报道了海南省双距螯蜂属ＧｏｎａｔｏｐｕｓＬｊｕｎｇｈ，１８１０二新种：杨氏双距螯蜂，新种ＧｏｎａｔｏｐｕｓｙａｎｇｉＨｅｅｔＸｕ，ｓｐ．ｎｏｖ．和海岛双距螯蜂，新种ＧｏｎａｔｏｐｕｓｉｎｓｕｌａｎｕｓＨｅｅｔＸｕ，ｓｐ．ｎｏｖ．

This paper describes two new species of the gnus Gonatopus Ljungh from Hainan Province, China. The type specimens are deposited in the Institute of Applied Entomology, Zhejiang Agricultural University, Hangzhou, China. Gonatopus yangi He et Xu, sp. nov. Holotype: Yacheng, Hainan Prov. 1966 V 23, He Junhua, No.66021.11。 This new species can be separated from its congener by the following characters: notaulices complete and posteriorly joint; dorsal surface of propodeum with anterior region (1/3) granulated and posterior region (2/3) reticulate rugose; propodeum with a median furrow; the shape of genitalia is quite different, its dorsal process of gonoforceps half elliptic, 0.4 times as long as gonoforceps, with apex not overlapped. This new species is named in honor of Prof. Yang Jikun, China Agricultural University. Gonatopus insulanus He et Xu, sp. nov. Holotype: Qionghai, Hainan Prov. 1964 V 4, He Junhua, No.66016.43。 This new species can be separated from its congener by the following characters: notaulices complete and posteriorly separated; dorsal surface of propodeum with anterior half region granulated and posterior half region reticulate rugose; posterior surface of propodeum with central region granulated, and on the side reticulate rugose; the shape of genitalia is quite different, its dorsal process of gonoforceps long and broad, with apex rounded, parallelling, approximately 0.4 times as long as gonoforceps.