吉林省美绥螨属2新种(蜱螨亚纲:美绥螨科)

TWO NEW SPECIES OF THE GENUS AMEROSEIUS FROM JILIN PROVINCE, CHINA (ACARI:AMEROSEIIDAE)

报道美绥螨属2新种:崔氏美绥螨Ameroseius cuiqishengi sp. nov.和洮儿河美绥螨Ameroseius taoerhensis sp. nov.,采自吉林省白城的腐烂树皮下。

1. Ameroseius cuiqishengi sp. nov. (figs. 1-8)The new species near to Ameroseius corniculus Karg, 1971,but differs from the latter in:the mesh of dorsal shield polygonal;central setae on dorsal shield short,subequal to lateral setae, posterior setae not beyond the midpoint from the base to that of next setae; the end of Mn blunt; post-ventral setae rather wide as dorsal setae.Holotype , paratypes 1 and 1 deutonymph, under decomposed bark of poplar, from Baicheng (45°37'N,122°49'E) Jilin Province,Aug. 12,1993.The new species is named in honour of the late Prof. Cui Qisheng, the famous plague specialist of China.2. Ameroseius taoerhensis sp. nov. (figs. 9-12)The new species near to Ameroseius cavernosus Westerboer ,1963 ,but differs from the latter in:dorsal pattern net-shaped,in posterior part partition between meshes similar to a string of beads in shape ;F1 branch-shaped ;posterior margin of sternal shield concave;post-ventral setae long and thick,plumose.Holotype ,paratypes ,under decomposed bark of pine,from Baicheng (45°37'N,122°49'E) Jilin Province,Sept. 29,1993.The new species is named after the Taoerhe River in gilin Province.Type specimens are deposited in the National Base of Plague and Brucellosis Control (Baicheng City Jilin Province).