Alfalfa weevils (see fig 1) have been hatching from eggs over about the last two weeks. However, they have not been developing very quickly, nor has the alfalfa, at least throughout north central Kansas. There will be more larvae. This is always a problem for producers, to treat early or not, especially with less foliage to accept the insecticide. If your treatment threshold is reached, regardless of time it’s probably prudent to make an insecticide application as soon as possible. Read More
KS Insect Letter: Alfalfa Pests (alfalfa weevils, pea aphids, cowpea aphids)
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