山东省异爪蝗属一新种(直翅目,蝗总科,网翅蝗科)

A NEW SPECIES OF THE GENUS EUCHORTHIPPUS TARBINSKY FROMSHANDONG PROVINCE (ORTHOPTERA, ACRIDOIDEA,ARCYPTERIDAE)

记述采自中国山东省网翅蝗科异爪蝗属Euchorthippus Tarbinsky,1926 1新种,山东异爪蝗 Euchorthippus shandongensis sp. nov.。新种同素色异爪蝗 Euchorthippus unicolor(Ikonnikov,1913)近似,其区别特征为:头侧窝较长,长为宽的3.2倍;颜面隆起明显,具纵沟,中眼之下缩狭,往下明显宽大; 雄性前翅较长,明显超过肛上板基部;雄性下生殖板较短,侧面观长为宽的1.5倍; 阳茎基背片弓形深,两侧下端具尖突。模式标本保存于山东农业大学植保学院。

A new species of the genus Euchorthippus Tarbinsky, 1926, namely E. shandongensis sp. nov. from Shandong Province of China is described in this paper. Euchorthippu shandongensis sp. nov. （Figs 1-8） The new species is similar to Euchorthippus unicolor （Ikonnikov, 1913）, but differs from the latter in： fastigial foveolae longer, length 3.2 times width; frontal ridge below the median ocellus narrow, downward broaden distinctly; tegmina of male longer, extending over base of epiproct distinctly; subgenital plate of male shorter, length 1.5 times width in lateral view; arc of epiphallus deep, lower apex with acute tuber on both side. The type specimens are deposited in College of Plant Protection, Shandong Agricultural University, Taian, China. Holotype ♂, Kunyu Mountain, Shangdong （37°14′N, 121°46′E; alt. 230-923 m）, 26 Sep. 2008. Paratypes： 4♂♂, 2♀♀, collected by XIAO Yun-Li, LI Xin-Jiang and YE Bao-Hua. Length of body： ♂ 15.0-16.5 mm, ♀22.0-22.3 mm. Length of tegmen： ♂ 9.0-9.8 mm, ♀12.0-12.5 mm. Length of hind femur： ♂10.9-11.2 mm, ♀ 13.8-14.8 mm. Etymology. The specific epithet is named for Shandong, the type locality,