长突小蟋螽(直翅目:蟋螽科)雌性新发现

First Description of Female Microlarnaca dicrana(Orthoptera:Gryllacrididae)

文章首次记述了采自云南省临沧市沧源县勐角镇翁丁村南滚河自然保护区的蟋螽科Gryllacrididae小蟋螽属Microlarnaca长突小蟋螽M.dicrana的雌性,其与M.fansipan雌性较相似:下生殖板横宽,突起表面具不规则的骨化横褶,腹瓣基部具1对小圆叶;主要区别:前者下生殖板突起端部钝圆,后者突起的端部角形凹入。检视标本保存于大理大学昆虫生物医药研究院。

In this study,one specimen from the Nangunhe National Nature Reserve,Wengding Village,Mengjiao Town,Cangyuan County,Lincang City,Yunnan Province was described as the female of Microlarnaca dicrana for the first time.The morphology of female M.dicrana was similar to M.fansipan with regard to the wider subgenital plate that has a folded sclerotized process on ventral surface and the basal area of ventral valvulae has a pair of small and rounded lateral lobes.The posterior margin of female subgenital plate was obtusely rounded in M.dicrana,while angular concavity in M.fansipan.Specimen was preserved in the Institute of Entomoceutics Research,Dali University.