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Common insects in vegetable crops

For each vegetable crop, there are a series of insects that show up nearly every year. Growers should anticipate these insect pests and make a plan for management ahead of time.

We've created cropping calendars that provide an overview of the insects common to Minnesota vegetable crops, when growers should expect to see them, and management strategies.

See the Midwest Guide for Commercial Vegetable Crops for up-to-date pesticide recommendations.

Brassica insects

These insects are common in broccoli, cabbage, cauliflower, kale and other plants in the Brassica family. There are five insects that farmers and gardeners should anticipate in their Brassica crops every year.

Open the cropping calendar to download and print. The text in this illustration is repeated in the following elements on this page.

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Pumpkin and squash insects

Striped cucumber beetle, squash bug and squash vine borer are three insects that farmers and gardeners should anticipate in their squash and pumpkins every year.

Open the cropping calendar to download and print. The text in this illustration is repeated in the following elements on this page.

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These insects can also cause damage to squash and pumpkins, but are not present or abundant every year: 

Reviewed in 2021

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