Root weevil or fireworm larvae feed on strawberry (or raspberry) roots in May, causing wilting and collapse of strawberry plants just prior to and during fruiting, and decline in vigor or raspberry plants.

Fireworms feed on roots of many plants, but generally do not kill them

Root weevils are the most damaging

Often many such larvae can be found in soil surrounding a single plant. They are C-shaped and have no legs.

Root weevil adults are usually seen in August.

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This is a part of The Berry Diagnostic Tool - a companion to the NRAES Production Guides for Strawberries, Raspberries and Blueberries