摘要
记述中国弓蜻属1新种——北京弓蜻MacromiabeijingensisZ huet Chen,sp.nov.。模式标本保存于山西大学。
Macromia beijingensis sp. nov. is described and illustrated from Beijing. It is similar to M. amphigena fraenata Martin, different from the latter as follows: 1) base of labrum marked with a light yellow spot, and without dorsal spot on the ante frons; 2) abdominal segment X with a pair of dorsal conical spines in the male; 3) the “head” and “neck” of posterior hamulus rather robust, and with a longer apical claw; 4) abdominal segment Ⅱ with the yellow stripe and lateral stripe more or less interrupted in the female, and both of the stripes on abdominal segments Ⅲ, Ⅳ are always confluence.