厚厉螨属一新种(蜱螨亚纲:革螨股)  

A NEW SPECIES OF THE GENUS PACHYLAELAPS (ACARI:GAMASINA)

作　　者：马立名[1] 

机构地区：[1]全国鼠疫布氏菌病防治基地

出　　处：《动物分类学报》1999年第2期153-155,共3页Acta Zootaxonomica Sinica

摘　　要：记述厚厉螨属一新种，即枝沟厚厉螨Ｐａｃｈｙｌａｅｌａｐｓｒａｍｏｐｅｒｉｔｒｅｍａｔｕｓｓｐ．ｎｏｖ．。Pachylaelaps ramoperitrematus sp.nov. (Figs.1 11) Body yellow,oval,♀ length×width=724μm×471μm,♂678μm×414μm.Dorsal shield setae 30 pairs,all long but S 8 very short,setae at anterior region of dorsal shield sharp distrally,but end of setae at posterior region of the shield blunt or expanded into ball like.Peritreme with twists and turns and branchy.Tectum as in Figs.4 and 9 Tarsus Ⅱ with one spine.In female,sterno metasternal shield bearing 4 pairs of setae,genito ventral shield bearing 2 pairs.Anal shield triangular,its anterior margin straight.Holoventral shield of male with 8 pairs of setae and 3 perianal setae. The new species may be distinguised from all known species of the genus by dorsal shield setae at posterior part expanded distally,similar to ball in shape;and peritreme with twists and turns,and with many branches. Holotype ♀,paratype 1♂, ex humus soil in woods of poplar,Baicheng(45°37′N,122°49′E),Jilin Province,14.Ⅶ.1996.Type specimens are deposited in the National Base of Plague and Brucellosis Control,Baicheng City,Jilin Province.

关 键 词：蜱螨亚纲 厚厉螨科 厚厉螨属 新种 

分 类 号：Q969.91[生物学—昆虫学]