How to Manage Pests

Pests in Gardens and Landscapes

Seasonal development and life cycle

Adult pearslug wasps emerge from soil in early spring and lay eggs in leaf tissue. Mature larvae enter soil to pupate. Second-generation wasps appearing in summer do most of the damage. There are two generations a year.

Pearslug larav
Pearslug larva
Larva and pupa
Larva and pupa
Pupae
Pupae

Statewide IPM Program, Agriculture and Natural Resources, University of California
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