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Oribatid mite infestation in the stored Chinese herbal medicines

Objective: to investigate the breeding status of oribatid mites and its related biological traits in the stored traditional Chinese herbal medicines. Methods: sixty-three sorts of stored traditional Chinese herbal medicines of root and stem origins were collected from Huainan City in Anhui Province. The mites were isolated by Shakesieve and Tullgren, and identified and counted under the light microscope. Results: thirteen samples in 63 were infested with the oribatid mites, which accounted for 21.67 %(13/60). A total of 11 species of oribatid mites, belonging to 6 families, were found in the 13 samples, and the most abundant species were Scheloribates laevigatus (36.19%), Scheloribates latipes (28.35%) and Trhypochthpnius japonicus (19.72%). The average breeding density of oribatid mites was about 4.51 individuals/g; the index of species richness, the diversity index, and the evenness index of species were 1.14, 1.581, and 0.212, respectively. Conclusion: oribatid mites were found in stored Chinese herbal medicines from Huainan city in Anhui province of China, suggesting that the conventional storage and processing technique should be improved in order to ensure the quality and safety of the herbal medicines.

Palabras Clave: Stored Chinese herbal medicines. Oribatid mite. Ecological parameters.

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