Methods Samples from economic crop,grain crop,dry fruit and house dust were collected,and then isolated and identified by light and Tullgren methods.

• 方法选取储藏物中的经济作物、粮食作物、干果及房舍灰尘4类样本为调查对象,利用电热集螨法和光照驱螨法进行粉螨标本的采集、鉴定。