as well as in the Tenuipalpidae are also considered important as plant pests in this area of India. Among the tetranychids, T. ludeni was identified as an alarming problem in 1987. Many outbreaks of this pest were recorded from 1988 to 1990 on cowpea [Vigna unguiculata (L.) Walp], an important summer vegetable of eastern Uttar Pradesh. Okra (Abelmoschus esculentus Moench) and eggplant (Solanum melongena L.), particularly when grown in the summer, have serious problems with T. urticae and Tetranychus macfarlanei Baker & Pritchard. Panonychus ulmi (Koch) has emerged as a serious problem on the expanding cultivation of apple in Himachal Pradesh, whereas Petrobia latens (Muller) populations are increasing in dryland cultivation of Rajasthan, attaining serious pest status mainly on wheat and coriander. Among the tarsonemids, a serious increase in P. latus on chilli has coincided with the growing cultivation of this crop, whereas increasing population levels of Steneotarsonemus spinki Smiley have caused severe damage to rice since its recent discovery in northern India. Serious problems have also been caused to tomato by the eriophyid Aceria lycopersic
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