纤恙螨属一新种(蜱螨亚纲:恙螨科)  

Description of a new Species of the Genus Leptotrombidium from Qinghai Province of China(Acari: Trombiculidae)

作　　者：吴克梅[1] 杨锡正[1] 李超[1] 

机构地区：[1]青海省地方病防治研究所

出　　处：《地方病通报》1999年第2期49-50,共2页Endemic Diseases Bulletin

摘　　要：本文描述纤恙螨属ＬｅｐｔｏｔｒｏｍｂｉｄｉｕｍＮａｇａｙｏｅｔａｌ，１９１６一新种，徐氏纤恙螨Ｌｅｐｔｏｔｒｏｍｂｉｄｉ－ｕｍｈｓｕｉｓｐ．ｎｏｖ．。This paper reports a new species of the genus Leptotrombidium from Qinghai, China. The type specimens are disposited in the Qinghai Institute for Endemic Disease Control and Research. Leptotrombidium: (L.) hsui sp. nov. (Figs. 1-4)Body oval orange: Idiosoma length 417.6(263￣ 520)289.5(202-353) in engorged specimens. Gnathosoma: Galeal seta with plumose branches; palpal seta fromula N.N.BNN/7B. Scutum rectangular, anterior margin somewhat straight, posterior margin concave, PL>AM>AL. Sensillae flagelliform, with II to 13 branches on distal half. Eyes 2+2. Dorsal setare 30(28-33) in number. arranged as 2,9,6,6,4,4,2=33 in holotype; 2, 8,6,6,4,4,2=32 and 2,8,6,6,4,2=28 in paratypes. Ventral satae 30(24-30) in number. DNV=58(52-63). Sternal satae 2,2. Coxal setae 1,1,1. Legs:I=235,=247,=268;IP=750. SIF=7B-B-3-2111-0000.Remarks: This new species is similar to Leplorombidium jianense Wen, 1958, but differs from the latter in the following characters: ASB=27.5, SD=44(ASB=35, SD=51 in L.jianense ); Galeal Seta with plumose branches (with 5 branches in L.jianense) ; Sensillae somewhat short, 65.3 in length (80 in L.jianense), sensillae smooth on basal half; Standard measurements of satae on the scutum are shorter:AM 42.5, AL 39.2, PL51.7(AM63, AL51,PL73 in L.jianense ).Holotype and 10 paratypes, Larva, collected off Ochotone erythrotis Buchner 1890, Cricelutus kamesis and Ochotoma gloveri Thomas. 1912. Sept. 10;1990, Yushu Prefecture, Qinghai Provincc.

关 键 词：蜱螨亚纲 恙螨科 纤恙螨属 新种 

分 类 号：R384.4[医药卫生—医学寄生虫学]