春川恙螨属—新种(蜱螨亚纲:恙螨科)

A NEW SPECIES OF THE GENUS SHUNSENNIA FROM CHINA (ACARI:TROMBICULIDAE)

本文描述春川恙螨属ＳｈｕｎｓｅｎｎｉａＪａｍｅｓｏｎｅｔＴｏｓｈｉｏｋａ一新种，即叉毛春川恙螨Ｓ．ｆｕｒｃｏｓｅｔａｓｐ．ｎｏｖ．，模式标本采自青海省化隆回族自治县的大林姬鼠ＡｐｏｄｅｍｕｓｓｐｅｃｉｏｓｕｓＴｅｍｍｉｎｃｋ，１８４５体长，文内量度单位均为μｍ。标本存放在青海省地方病防治研究所。

This paper reports a new species of the genus Shunsennia from Qinghai, China. The type specimens are deposited in the Research Institute of Endemic Disease Control of Qinghai Province.Shunsennia furcoseta sp. nov. (Figs.13)Body white when alive. Idiosoma engorged, length 705(630780)μm,width 465(380550)μm,unengorged length 423(360550)μm width 270(240320)μm. Gnathosoma: galeal seta nude. Palpal seta formula BBBNN/7B.Palpal claw 2 pronged. Chelicera claw with a single row of small teeth. Scutum trapezoidshaped, punctate anterior margin with convexity, posterior margin sinuous. AM bifurcate. Sensilla flagelliform and very long. AM>PL>AL. SB/PLs. EYes 2+2. Dorsal setae 96112 in number, arranged as 2. 17.17.16……=100,2.17.12.17……=112:Ventral setae 8897 in number, NDV=188-209, Sternal setae 0+2. Coxal setae 2. 1. 1(2), Legs: Ⅰ=420 Ⅱ=360 Ⅲ=430 IP=1210. SIF=7B-N-2-2111-0000. This new species resembles S. scabrisetosa Huang,but differs from the latter in AM medial bifurcate, fp=BBBNN/7B,galeal seta nude, AM>PL>AL, NDV=188209。Holotype larva and 4 paratypes taken at Apodemus speciosus Temminck, 1845 and 11 paratypes collected off Cricetulus longicaudatus MilneEdwards 1867, on May 20, 1985 from Hualong County (36°06′N, 102°17′E),another 8 paratypes taken at Ochotona curzoniae Hodgson 1858, on July 19, 1994 from Chengduo County (33°06′N, 96°45′E),Qinghai Province.