中国宁夏下盾螨属一新种及轻绘下盾螨形态补充描述(蜱螨亚纲,厉螨科)

A NEW SPECIES OF THE GENUS HYPOASPIS FROM NINGXIA,CHINA WITH SUPPLEMENTARY DESCRIPTION OF HYPOASPIS SUBPICTUS GU ET BAI(ACARI,LAELAPIDAE)

描述宁夏下盾螨属Hypoaspis Canestrini,1885 1新种,郭氏下盾螨Hypoaspis(Cosmolaelaps)guoi sp.nov.及轻绘下盾螨Hypoaspis(Cosmolaelaps)subpictus Guet Bai,1992的形态补充,标本均采自宁夏海原县红羊地区蚂蚁Myrmos sp.巢穴中,保存于军事医学科学院微生物流行病研究所医学昆虫标本馆。

This paper describes a new species Hypoaspis（Cosmolaelaps） guoi sp.nov.（Acari,Laelapidae） and provides made some supplementary description on Hypoaspis（Cosmolaelaps） subpictus Gu et Bai,1992.T he type specimens of the new species were collected from Haiyuan County of Ningxia Hui Autonomous Region,China.All the type specimens are deposited in the Collection of the M edical Entomology of Institute of M icrobiology and Epidemiology Academy of M ilitary M edical Science,Beijing,China.Hypoaspis（Cosmolaelaps） guoi sp.nov.（Figs 1-9） Female.T he new species is similar to Hypoaspis（Cosmolaelaps） subpictus Gu et Bai,1992,but can be easily differentiated from the latter by：1） dorsal plate bearing 39 pairs of round leaf-like setae with dot nets and D7-8 with one unpaired seta;2） slightly concaved anterior margin of sternal plate and St1 on the palte with two large lyrifissures organs;3） triangle-shaped analplate with V-shaped spines area on the plate.Holotype ♀ and paratype 1♀,collected by BAI Xue-Li,19 M ay 1989,from a nest of Myrmos sp.in Haiyuan County（36.5°N,105.6°E） of Ningxia Hui Autonomous Region,China.Etymology.T his new species is named in honour of Pro.GUO Xian-Guo（Dali University,China）.Hypoaspis（Cosmolaelaps） subpictus Gu et Bai,1992（Fig.10） Hypoaspis subpictus Gu et Bai,1992.Acta Zootaxonomica Sinica,17（2）：189,figs 12-17.Female.Light yellow.Genito-ventral plate tongue-shaped,with one pair of setae as shown in Fig.10.Specimens examined.2 ♀♀,collected by BAI Xue-Li,12 June 1988,from a nest of Myrmos sp.in Haiyuan County（36.5°N,105.6°E） of Ningxia Hui Autonomous Region,China.