Knowledgebase

What kind of grub #874499

Asked June 24, 2024, 5:01 PM EDT

I found these huge grubs in a raised bed and wood chips pile..about the size of a quarter

Montrose County Colorado

Expert Response

In the garden, these are likely to be the larvae of one of our native scarabs, like the southwestern masked chafer. 

Here is some information on the southwestern masked chafer: https://msb.unm.edu/divisions/arthropods/resources/arthropods%20gallery/sw-masked-chafer.html

If you're seeing damage to your plants, please contact the Montrose Master Gardeners - <personal data hidden>. They are in on Friday afternoons from 1-3.

An Ask Extension Expert Replied June 26, 2024, 2:44 PM EDT

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