Acaroid mite breeding in ground rice in Wenchang area

Zhongguo xue xi chong bing fang zhi za zhi = Chinese journal of schistosomiasis control
Zhao Ya-NanLi Chao-Pin

Abstract

To investigate the breeding of acaroid mites in the stored grains in Wenchang area, Hainan Province, China. The breeding mites from the samples were separated by a shake-sieve and microscope directly. The isolations were used for slide preparation based on previous literature, and then under a light microscope, the identification and counting of the acaroid mites were performed. Twelve species of mites were identified from 20 categories of grains. They belonged to 10 genera of 4 families. Among the 12 grain samples, the breeding rates were higher of Blomia tropicalis and Tyrophagus putrescentiae. Among the 20 samples collected, a total of 5 885 mites were found, with an average breeding density of 29.43/g. The infestation of acaroid mites appears serious in the stored grains in Wenchang area, which should be taken measures to prevent and control.

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