摘要
本文记述了采自西藏亚东县小型动物体上的恙螨二新种，隶属恙螨科（ＴｒｏｍｂｉｃｕｌｉｄａｅＥｗｉｎｇ，１９４４）的叶片恙螨属（ＴｒｏｍｂｉｃｕｌｉｎｄｕｓＲａｄｆｏｒｄ，１９４８）。新种模式标本存北京军事医学科学院微生物流行病研究所医学昆虫标本馆，部份副模标本存成都军区后勤部卫生防疫队。
This paper reports two new species of chigger mites collected off small mammals from Yadong County of Xizang, China. The type specimens of new species are deposited in the Medical Entomology Collection Gallery, Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences, Beijing, China. Some paratypes are kept in the Sanitation and AntiEpicemic Team of PLA, Chengdu, China.1.Trombiculindus (T.) yui, sp. nov. (Figs 1)Body ovate, length 331-605μm, width 260-504μm.fp=NNNNB, fT=7B,Gr=3,Ga=B.Scutum nearly trapezoid. PLs/SB. PL leafshaped. Sensilla filiform. Eyes 2×2. Scutal measurements of holotype: AW 92, PW 106, SB 45, ASB 37, PSB 18, AP 25, PS 32, AM 82, AL 49, PL 112×12, Sn 84. DS=40-45. VS=32-47. NDV=72-92.SIF=7BB31111.0000.Holotype collected off Ochotona tibetana from Yadong County, Xizang, China, May 21,1989.In China, it has been reported that only two species with 4 humeral setae in the genus of Trombiculindus, Trombiculindus (T.) duoji Wu et Wen, 1984 and Trombiculindus (T.) alpinus Yu et Yang, 1979. This new species can be easily distinguished from the two species mentioned above by the features of PL.2.Trombiculindus (T.) yadongensis, sp. nov. (Figs 2)Body elliptical, length 277-453μm, width 230-319μm. fp=NNNNB, fT=7B, Gr=3,Ga=B. Scutum nearly trapezoid. PL leafshaped. Sensilla filiform, Scutal measurements of holotype: AW 92, PW 104, SB 50, ASB 34, PSB 20, AP 17, PS 30, AM 87, AL 49, PL 91×44, Sn 84. DS=43, VS=42; NDV=85.SIF=7BB31111.0000.Holotype collected off Ochotona tibetana from Yadong County, Xizang, China, May 21,1989.This new species is similar to Trombiculindus (T.) duoji Wu et Wen, 1984, but it differs from the latter in: (1) longer AW and PW, (2) wider SB, (3) much more dorsal and ventral setae in number.
出处
《华东昆虫学报》
1997年第2期8-11,共4页
Entomological Journal of East China
