RMRE8DW8–. Cooperative economic insect report. Beneficial insects; Insect pests. - 831 - HESSIAN FLY (Phytophaga destructor) - NEBRASKA - All stages in fields of older volunteer wheat in most parts of Lancaster County. Quite likely that a partial second fall brood will occur. (Roselle). ALFALFA CATERPILLAR (Colias philodice eurytheme) - CALIFORNIA - Heavy in Yolo County alfalfa fields' (Cal. Coop. Rpt.). OKLAHOMA - Averaged 1-6 per 10 sweeps in alfalfa in Payne, Creek, Tulsa, Wagoner, Muskogee and Sequoyah Counties. (Wood). NEBRASKA - Larvae light to moderate in alfalfa fields in southeast portion of S
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