中国食酪螨属一新种记述(蜱螨亚纲:粉螨科)

TYROPHAGUS GANJIANGENSIS SP NOV FROM CHINA ( Acari: Acaridae )

记述了从江西省南昌市酿造厂、制酒厂的豆饼和高粱等内采得食酪螨属(Tyrophagus)一新种,即赣江食酪螨Tyrophagus ganjiangensis sp.nov.

This paper deseribes a new species of the genus Tyrophagus. The length unit is in micron. All type specimens are kept in the Department of Biology, Jiangxi University. Tyrophagus ganjiangensis sp. nov. (figs 1-4) is allied to Tyrophagus lini Oudemans but differs in the following characters. Tyrophagus ganjiangensis: Five ventral tarsal setae are present. d2 are more than 6 to 8 times longer than d1. The supracoxal seta is drawn out into a point at its distal extremity, and it is expanded at the base and its lateral edges are 16 barbed. Tyrophagus lini: Three ventral spines are present on the distal ends of the tarsi. d2 are more than four times longer than d1. The supracoxal seta is large, becoming wider towards the base with its lateral edges produced into 10 barbs. Holotype , Paratype 2 , 13.XI. 1987. Nanchang (28°40'N, 115°51' E) , Jiangxi Province, taken from Sorghum vulgare, by Z. T. Jiang; para-type , 25. XI. 1987. Nanchang taken from bean cake, by Z. T. Jiang; Allotype , paratypes 2 , 5, 5.XII. 19D1. Yujiang (29°45'N, 116°49' E ) Jiangxi Province, taken from poultry mixtures, by Z. T. Jiang.