A new species of Megadineura Malaise (Hymenoptera: Tenthredinidae) and a key to the known species of the genus Author Wei, Meicai Author Nie, Haiyan text Zootaxa 2008 1920 51 60 journal article 10.5281/zenodo.184706 0d61fcf9-fa3f-4400-876e-746c1ec545b3 1175-5326 184706 Megadineura rufocephala Wei, 2002 ( Fig. 3 ) Megadineura rufocephala Wei, 2002 , The Fauna and Taxonomy of Insects in Henan , 5: 69. Diagnosis: M . rufocephala can be easily recognized by its red-brown head. Furthermore, it differs from other species of the genus in its white hind trochanters, clypeus and labrum, black fore and middle trochanters, black abdomen without white spots, cell 2Rs distinctly shorter than 1Rs, petiole of hind anal cell only half length of cu-a; middle serrulae low and oblique, and subbasal teeth minute. Specimen examined : 1 Ψ, holotype , Yugong Forest plant, Jiyuan, Henan Province, China , alt. 1700 m , 7 June , 2000, Wei Meicai coll.; 1 Ψ, Mt. Hupingshan, Hunan Province, China , alt. 1400 m , 1 June , 2003, Jiang Yang coll.; 1 Ψ, Mt. Zhongnanshan, Shaanxi, E.10858.356’N.3359.506’, alt. 1555 m , 27 May , 2006, Yang Qing coll.. Distribution: China (Shaanxi, Henan, Hunan).