西藏厚厉螨属一新种和毛绥螨属一新种(蜱螨亚纲:厚厉螨科,裂胸螨科)  

A NEW SPECIES OF THE GENUS PACHYLAELAPS AND A NEW SPECIES OF THE GENUS LASIOSEIUS FROM XIZANG, CHINA (ACARI: PACHYLAELAPTIDAE, ACEOSEJIDAE)

作　　者：马立名 王成贵 

机构地区：[1]全国鼠疫布氏菌病防治基地,吉林省白城市137000

出　　处：《动物分类学报》1997年第1期29-32,共页Acta Zootaxonomica Sinica

摘　　要： 本文报道革螨二新种，西藏厚厉螨Pachylaelapsxizangensissp．nov．和亚东毛绥螨Lasioseiusyadongensissp．nov，1985年采自西藏亚东。 1 Pachylaelaps xizangensis sp. nov. (Figs. 1-5)The new species is near to Pachylaelaps quadritus Gu, Huang et Li, 1991, but its body large; tectum wide; movable digit of chela with 2 teeth and fixed digit 3 teeth; anal plate slightly wider than long, length: width = 1: 1. 5; metapodalia with minute teeth at external margin; PA subequal to Ad in length. These characters differs from that of the latter species.Holotype ♀, paratype 1♀, off Rattus niviventer (Hodgson), from Yadong County (27. 4°N, 88. 9°E),Xizang Autonornous Region. 2 400m-2 700m. Aug. 1985.2 Lasioseius yadongensis sp. nov. (Figs. 6-8)The new species body very large, presternal region with 2 pairs of small sclerites,posterior margin of sternal plate slightly convex, with 6 small horizontal sclerites lying before ventro-anal plate, venter bearing knife-like membranous setae posteriorly. By the abovementioned characters it may distinguished from all the known species of the genus.Holotype ♀,off Ochotona thibetana (Milne-Edwards),from Yadong County (27. 4°N,88. 9°E),Xizang Autonomous Region. 2 400-2 700m. July 1985.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 裂胸螨科 厚厉螨属 毛绥螨属 新种 

分 类 号：Q959[生物学—动物学]