IPMP3.0, Oregon State University, Copyright 2000

Strawberry Root Weevil



Life Cycle


Sampling and Action Threshold

Development Model

Fact Sheet (requires Acrobat Reader 3.x or above to read and print. click below to download the free "Reader".)

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Registered Insecticides


[Insect Management]


Link to large image (86K) of strawberry root weevil larva Link to large image (121K) of strawberry root weevil adult
Strawberry Root Weevil Larva Strawberry Root Weevil Adult
Link to large image (76K) of strawberry root weevil pupa Larvae are c-shaped, cream-colored with a brown head capsule.  Larvae feed on roots and rhizomes.  Larvae are about 7 mm long when mature.  Adults are brown and about 5 to 8 mm long.  Adults feed at night and notch the leaf margins.   Pupae are cream-colored and are found about 10 to 15 cm deep.   Adults emerge in late May and early June and begin laying eggs aobut 2 weeks later.   Larvae feed from September through April of the following year and cause the most damage from late March to mid-May.

Strawberry Root Weevil Pupa

View the Fact Sheet for More Information

This section contains information on the management of strawberry root weevils in peppermint.  The Fact Sheet contains specific information on identifcation and biology of this pest (requires Acrobat Reader).  Select a category from the contents menu for additional information on sampling, development, and management of root weevils.