我国沙足甲螨属二新种（蜱螨亚纲：甲螨亚目：沙足甲螨科）

Two new species of the genus Eremobelba from China

作者记述了我国沙足甲螨二新种，定名为：截沙足甲螨Ｅｒｅｍｏｂｅｌｂａｔｒｕｎｃａｔａｓｐ。ｎｏｕ。，短瓣沙足甲螨Ｅｒｅｍｅｄｅｌｂａｃｉｉｒｔｉｐｅｔａｔａｓｐ．ｎｏｖ，截沙足甲螨与产于马来西亚的Ｅ。ｃｏｍｔｅａｅＭａｈｕｎｋａ，１９８８的主要区别有：前背板４对毛均为单纯刚毛、脊和横梁桥大而直、肛板前、后缘各有一横向隆条、虫体大于已知种。短瓣沙足甲螨具有短瓣状斜向排列的脊、前背板感窝间有山形隆条、基节板上有七个隆条。

Two new species of the genus Eremobelba were described in the paper.Type speci-mens are deposited in Norman Bethune University of Medical Sciences.EremooeIba truncata sp. nov.(Figs.1～2)Body length 508(504)560μm,width 3l2(342)358μm,The new species is related to Eremobelba comteae Mahunka,1988 from Malaysia,but distinguishedfrom the latter by:1)prodorsum 4 pairs setae simple,without barbs:2)costula and translamella longerand straighter than latter:3)anterior and behind of anal aperture with transverse ridges; 4)body sizebigger than latter.Holotype and l0 paratypes(93 1882,93 1929),Xishuangbanna Tropical BOtanicGarden in Menglun(21.9°N,101.2°E),Yunnan Province,April and July(2 paratypes,93 1929),1993。Eremobelba curtipetata sp.nov,(figs.3 4)Body length 3l2(338)360μm,width l94(200)216μm.The new species is distinguished from all known species of genus Eremobelba by the shape of cos-tula and by the shape of ridges on the epimeral plate. Holotype and 6 paratypes(93一1948),Xishuang-banna TropicaI Botanic Garden in Menglun,Yunnan Province,July,1993.