中国大陆新革螨属二新记录种及双剑新革螨雄螨描述(蜱螨亚纲:中气门目,寄螨科)

Two new records of the genus Neogamasus from mainland of China, with a description of male of Neogamasus bisiculus Tseng (Acari:Mesostigmata:Parasitidae)

本文报道中国大陆新革螨属2新记录种:鞭刺新革螨Neogamasus flagellispinosus Tseng,1995和双剑新革螨Neogamasus bisiculus Tseng,1995,并首次记述双剑新革螨的雄螨。研究标本保存于福建省农业科学院植物保护研究所,福州。

The present paper reports two new records of the genus Neogamasus（Acari： Mesostigmata： Parasitidae） from mainland of China,with a description of male of Neogamasus bisiculus Tseng.Specimens are deposited in the Institute of Plant Protection,Fujian Academy of Agricultural Science,Fuzhou,China. 1 Neogamasus flagellispinosus Tseng,1995（New record to mainland of China） Material examined.1♀,China： Fujian,Wuyishan Mountain（28°00＇ N,118°00＇ E）,18.viii.2007,LIN Jian-Zhen,ex bird＇ s nest in cave of tree. Distribution.China（Fujian,Taiwan）. 2 Neogamasus bisiculus Tseng,1995（New record to mainland of China） Male（figure 1）.Length of idiosoma 538 μm,width 323 μm.Anterior dorsal shield with 20 pairs of simple setae,posterior dorsal shield with dense simple setae.One pair of presternal shields,wedge-shaped.Holoventral shield with 5 pairs of setae and 3 pairs of pores on sterno-genital region,about 10 pairs of preanal setae and 3 perianal setae on ventro-anal region.Peritreme reaching between coxae I and II anteriorly.Tectum 3-tined.Movable digit of chela without tooth,fixed digit with a row of small denticles.Seta al on palpfemur branchy at one side,al1 on palpgenu entire,al2 bifid.Leg II with a large bifurcate spur on femur,a very small spur on genu,a club-like spur on tibia. Material examined.1♀1♂,China： Fujian,Xiapu（26°54＇ N,120°00＇ E）,18 ix 2006,LIN Jian-Zhen,ex moss. Distribution.China（Fujian,Taiwan）.