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How to Manage Pests

Pests in Gardens and Landscapes

Seasonal development and life cycle—Sawflies

Most sawflies in California overwinter as eggs in foliage or as pupae in litter. Sawflies that overwinter as eggs generally feed on older growth foliage; those that overwinter as pupae feed on the newer growth. Depending on the species, they have from one to several generations a year.
Bristly roseslug adult
Bristly roseslug adult		 Conifer sawfly eggs
Conifer sawfly eggs
Pear sawfly pupae
Pear sawfly pupae 		Pear sawfly larva
Pear sawfly larva

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