First records of the genera Gnathochorisis Förster, 1869 and Symplecis Förster, 1869 (Hymenoptera, Ichneumonidae, Orthocentrinae) from Vietnam

In this paper, two orthocentrine genera, Gnathochorisis Frster, 1869 and Symplecis Frster, 1869, are recorded from Vietnam for the first time. One new species of Gnathoschorisis: G. sapaensis sp. nov., and four species of Symplecis: S. granulosus sp. nov., S. hoangliensis sp. nov., S. nudus sp. nov., and S. vietnamensis sp. nov., are described and illustrated. In addition, Gnathochorisis leleji Humala, 2021 is recorded from Vietnam for the first time. A key to females of known Oriental species of the genus Symplecis is provided.