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《Acta Zootaxonomica Sinica》 2001-01
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A NEW SPECIES OF THE GENUS NEOTROMBICULA FROM QINGHAI,CHINA (ACARI:TROMBICULIDAE)

WU Ke Mei LI Chao (Research Institute of Endemic Disease Control of Qinghai Province, Xining 811602)  
This paper reports a new species of the genus Neotrombicula.All measurements are given in micrometers. Neotrombicula paramarmotae sp.nov. (Figs.1 4) Idiosoma measuring (188 266)×(165 218) in unengored specimens. SIF=7Bs N 3 2111 1000. fp=B.B.NNB/7Bs. Gnathobase lightly punctate. Scutum pentagonal in shape, with punctations on its surface, AL/AM, SB/PL, PLAL AM; sensillae flagelliform, with 6 8 branches on distal half; PW/SD=1.37 1.40. Eyes 2.2, anterior larger. Dorsal setae 52 54 , arranged 2 10 2 10 2 10 6 6 4 2. Sternal setae 2.2. 26 preanal setae, 16 post anal setae. NDV=94 96. Coxal setae 1.1.1, Ⅰ=245 500, Ⅱ=209 215, Ⅲ=241 255, IP=709 723. This new species is mostly similar to N. marmotae Wen, 1984 it can be separated from the latter in having dorsal idiosomal setae arranged beginning 10 2 10 2(12 15 10 10 in N.marmotae) , palpal genu seta with 5 branches, ventral seta on the palpal tibia with 5 branches,standerd measurements on the scutum are short: AW 69, PW 81, SB 27, AP 27,(AW 71,PW 95, SB 33, AP 34, in N.marmotae ) , NDV=94 96, (NDV=104 in N.marmotae ). Holotype,3 paratypes,larvae collected off Pitymys irene Thomas, 1911, 17 Jun. 1995 from Minhe County (36°36′N,102°56′E),Qinghai Province.The type specimens are deposited in the Research Institute of Endemic Disease Control of Qinghai Province.
【CateGory Index】: Q959.226
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