Insect Alert For

Corn Earworm

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Alert Details

An active weather pattern is set to return to the central Plains and Midwest as we move into late week and next weekend. A rather potent area of low pressure is predicted to move into the Plains and continue to develop late tonight into tomorrow. Southerly winds are predicted to be rather common from source regions in north Texas and Oklahoma northward into Kansas and Missouri to the east of the low pressure system and attendant cold front. As a result, Low corn earworm migration risks are in the forecast tonight into tomorrow morning for eastern Kansas and southwestern Missouri to account for the potential of an isolated corn earworm moth flight. Looking ahead to the weekend, the weather pattern looks favorable for isolated corn earworm migration across much of Kansas and Missouri Friday night into Saturday morning, and then as far north as the I-80 corridor into Nebraska, Iowa, and potentially Illinois on Saturday night into Sunday morning. While we do not have crops at susceptible stages to damage as of yet, sometimes these early, or first generation, flights in the spring can have an effect on eventual later season corn earworm population numbers. As a result, growers should monitor for new corn earworms in the next week especially along and south of I-80.