中国岩螨属一新种记述(蜱螨目:叶螨科)

A NEW SPECIES OF PETROBIA FROM CHINA (ACARINA:TETRANYCHIDAE)

岩螨属(Petrobia Murray,1877)雌螨背面观椭圆形,具3对前足体背毛,9对后半体背毛和1对肩毛。背毛均不着生在结节上。足Ⅰ跗节具2对双毛。跗节爪垫状,具粘毛。爪间突钩状,具2列指向腹侧的粘毛。

In this paper,a new species of Petrobia Murray is described and illustrated.The type specimens are kept in Shanghai Agricultural CollegePetrobia jingheensis sp.nov.(figs.1-11)This new species is similar to P.haematoxylon Meyer 1987 and P.xerophila Mitrofanov,1975,in the dorsal setae of body short,lanceolate and peritreme anastomoses distally,but it can be separated easily by the se.tation of legs.The new species also resembles P.brevipes Reck and.Badg.,1949,but it differs from the latter in the shape and length of the dorsal secae of bodyHolotype paratypes 5 1 nymph,29.VI..1986,Jinghe County,Xinjiang,oh Kali-dium foliatumn(Pall)