记述了采自中国河南省伏牛山区的锤角叶蜂科Cimbicidae细锤角叶蜂属Leptocimbex1新种:愈节细锤角叶蜂Leptocimbex zhongi Wei,sp.nov.。该新种与L.terrifica Malaise,1931近似,但触角第6-7节几乎愈合,界限模糊,触角窝上突不互相靠近,侧额脊前半部明显,后半部缺如,单眼后区后部黄褐色,翅基片、腹部第2-3背板全部和后足股节全部黑色,阳茎瓣背突叶短宽,端部圆钝等,容易鉴别。新种模式标本保存于中南林业科技大学模式昆虫标本室。
A new species of the genus Leptocimbex Semenov-Tian-Shanskij of Cimbicidae from Henan Province, China is described in the paper. Type specimen is deposited in the Insect Collection of Central South University of Forestry and Technology, Changsha, Hunan Province, China. Leptocimbex zhongi Wei, sp. nov. (Figs. 1-3) Body length 16 mm. This new species is close to L. terrifica Malaise, 1931 but differs from the latter in the apical two antennal segments almost completely merged without segmental suture, the supra-antennal tubercles indistinct and remote to each other, the frontal ridge distinct in anterior half and obsolete in posterior half, the posterior part of postocellar area yellow brown, the tegulae, the second and third abdominal tergites entirely and hind femur black, and the dorsal lobe of penis valve short and broad. Holotype: ♂, Protection Station of Baotianman (1 300 m, 111°56.136'E, 33° 30.136'N), Henan Province, 20-Ⅵ-2006, coll. ZHONG Yi-hai.