摘要
描述纳氏厉螨Laelaps nuttalli Hirst,1915雄螨与后若螨。
Male and deutonymph of Laelaps nuttalli Hirst are described in the present paper. Laelaps nuttalli Hirst, 1915 （Figs. 1 -2）
Male： Length of idiosoma 483 - 529 （av. 500） μm, width 299 - 345 （ av. 319） μm. Dorsal shield coveting almost entire dorsum, with 39 pairs of needle-like setae. Holoventral shield distinctly expanded behind level of eoxae Ⅳ, with 3 pairs of sternal setae, 1 pair of metastemal setae, 1 pair of genital setae, 5 pairs of ventral setae, 3 perianal setae and 3 pairs of pores. Ad situated at level of middle of anus, the end extending to levelof base of PA, PA long. Peritreme reaching to middle of eoxa Ⅰ anteriorly. Spermatodaetyl of chela band-like and curve.
Deutonymph： Length of idiosoma 494 -552 （av. 523） μm, width 310 -333 （av. 322） μm. Dorsal shield 437 -483 （av. 460） μm long and 241 -264 （ av. 253） μm wide, setae on the shield as in male. Sternal shield with 4 pairs of setae. Anal shield triangular, perianal setae as in male. Metapodal shields 1 pair, oval. Peritreme reaching to middle of eoxa Ⅰ anteriorly.
Specimens 2 9 9,4 c3 c3 and 2 deutonymphs, off Rattus norvegicus （ Berkenhout）, from Zhoushan Island （30°N, 122°E）, zhejiang Province, in 11 Oct. 2005. Coll. LU Miao-gui.
出处
《华东昆虫学报》
2007年第2期159-160,共2页
Entomological Journal of East China
