酢浆草岩螨Petrobia harti Ewing(学名上海农学院马恩沛鉴定)与棉花叶螨(棉红蜘蛛)近似,早春密度大,其寄主酢浆Oxalis corniculata L.的分布面广,所以早春调查时,不少地方将此种螨类误为棉花叶螨的早春基数,据此作为棉花叶螨发生趋势予报的主要依据,并以消灭酢浆草作为早春防治的重要手段,值得商榷。 一、酢浆草岩螨是否危害棉花 Petrobia harti Ewing is similar to cotton spider mite (spider mite) in early spring, and its host Oxalis corniculata L. is widely distributed. Therefore, in the early spring investigation, In less places, the mites were mistaken for the early spring base of cotton spider mites, which was the main basis for the trend of cotton spider mites to be reported. It was debatable that eliminating oxalis as an important means of prevention and control in early spring. A sorrel rock mite harm cotton