滑绥螨属一新种(蜱螨亚纲:革螨股:裂胸螨科)  

A New Species of the Genus Leioseius (Acari: Gamasina: Aceosejidae)

作　　者：马立名 

机构地区：[1]全国鼠疫布氏菌病防治基地,吉林白城137000

出　　处：《Entomotaxonomia》2002年第2期154-156,共3页昆虫分类学报（英文）

摘　　要：记述滑绥螨属 1新种 :长毛滑绥螨 Leioseius dolichotrichus,sp.nov.,模式标本保存于吉林省白城市全国鼠疫布氏菌病防治基地。Leioseius dolichotrichus, sp. nov. (Figs.1～7) Adult. Body long and narrow, ♀ 540μm×253μm, ♂ 460μm×241μm. Dorsal shield almost covers all dorsum, with deep lateral incisions, bearing 17 pairs of setae on anterior region and 15 pairs on posterior region, all setae short and simple, but a pair of setae very long latero posteriorly. In female, anterior margin of sternal shield indistinct, posterior margin concave. Genital shield with a pair of setae at lateral margins. Ventro anal shield large and circular, with two pairs of setae except perianal setae, posterior pair of setae longer and inserted behind level of anus. Metapodal shields 2 pairs. In male, sterno genital Shield with 5 pairs of setae. Ventro anal shield with an antero medial projection and two antero lateral ones, bearing 7 pairs of setae except perianal setae. In both sexes, Ad situated at le vel of middle of anus, slightly shorter than anus, PA very long. Peritreme reaches to anterior margin of coxa I. Tectum with 3 prongs. Spermatodactyl of male shown in Fig.7. The new species is similar to Leioseius minusculus (Berlese, 1905), but in the former lateral incisions of dorsal shield deep, latero posterior pair of dorsal shield setae and PA very long, metapodal shields of female 2 pairs, posterior pair of ventro anal shield setae situated behind level of anus; in the latter species dorsal shield with shallow lateral incisions, all dorsal setae and PA short, metapodal shields one pair, both pairs of ventro anal shield setae si tuated before level of anus. Holotype ♀, paratype 1♂, from forest soil, in Dunhua County (43°21′N, 128°13′E), Jilin Province, Ⅷ 1990. Type specimens are deposited in the National Base of Plague and Brucellosis Control, Baicheng City, Jilin Province.

关 键 词：蜱螨亚纲 裂胸螨科 滑绥螨属 新种 

分 类 号：Q969.91[生物学—昆虫学]