本文根据中国标本对更光巨螯螨Macrocheles perglaber FiLipponi et Pegazzano,1962,星形背刻螨Epicriop-sis stellata Ishikawa,1972和中华虫穴螨Zercon sinensis Petrova et Tascaeva,1968作了再描述。
Macrocheles perglaber FiLipponi et Pegazzano,1962,Epicriopsis stellata Ishikawa,1972 and Zerconsinensis Petrova et Tascaeva,1968 are redescribed based on materiaLs in China in the present paper. 1 Macrocheles perglaber FiLipponi ﹠ PeGazzano,1962(FiG. 1) FemaLe. Length of idiosoma 860 μm,width 570 μm. DorsaL shieLd covering entire dorsum,with 28 pairs of se-tae,F1 and D1 brush-shaped,S8 barbed,remains simpLe,the end distant from base of next seta. SternaL shieLd with 3 pairs of setae and 2 pairs of pores. MetasternaL shieLds smaLL,with metasternaL setae and the 3rd pair of pores. GenitaL shieLd semicircuLar,with 1 pair of setae. Ventro-anaL shieLd with 3 pairs of ventraL setae and 3 preianaL setae. Ornamentations of sternaL,genitaL and ventro-anaL shieLds shown in Fig. 1B. MetapodaL shieLds 1 pair,narrow. Perit-reme reaching to gnathosomaL base anteriorLy,posterior end curved into hook in shape. MateriaL examined. 1♀,ex. cuLture medium of mushroom,Chicheng(40o55ˊN,115o46ˊE),Hebei Province, 5 Aug. 2011. 2 Wpicriopsis stellata Ishikawa,1972(FiG. 2) FemaLe. Length of idiosoma 319 μm,width 244 μm. DorsaL shieLd covering entire dorsum and extending to ven-ter,denseLy ornamented with smaLL star-Like protuberances,bearing 23 pairs of setae,of which 10 pairs Long,stout and sparseLy piLose,13 pairs short,thin and simpLe. SternaL,metasternaL and genitaL shieLds weakLy scLerotized,in-distinct,but 3 pairs of sternaL setae,1 pair of metasternaL setae and 1 pair of genitaL setae cLear. AnaL shieLd horizon-taLLy ovaL,with 3 perianaL setae,anaL opening Larger. Ad situated at LeveL of middLe of anus,both Ad and PA sube-èuaL to anus in Length. VentraL cuticLe setae 6 pairs. Peritreme reaching beyond coxaI anteriorLy. CheLa short,mova-bLe digit edentate,fixed digit tridentate. MateriaL examined. 1♀,ex. Leaf Litter,Kaixian County(31o08ˊN,108o20ˊE),Chongèing City,31 March 2012. 3 Zercon sinensis Petrova ﹠ Tascaeva,1968(FiG. 3) FemaLe. Length of idiosoma 376 μm,width 323 μm. DorsaL sh