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The grape root borer, Vitacea polistiformis, is a native species. It overwinters in the larval stage and pupation occurs hear the soil surface in June and July. There is a two year life cycle. This insect is present North to Michigan, west to Mississippi Valley and south to Florida. Damage is to the root where larvae feed for 22 months (+ or _). Natural enemies, resistant root stocks and insecticides offer only some control. Management is with good horticultural practices. Mating disruption, soil mounding and use of row covers and especially a new bonded fiber matt hydramulch offers improved management of the grape root borer. Insect monitoring for improved timing of management strategies and tactics in an IPM program are under evaluation and results will be demonstrated and implemented.
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