Brown Willow Beetle vs Solomon's Seal Sawfly

Side-by-side species comparison

Attribute Brown Willow Beetle Solomon's Seal Sawfly
Scientific Name Galerucella lineola Phymatocera aterrima
Order Coleoptera Hymenoptera
Family Chrysomelidae Tenthredinidae
Size 4-6 mm 8-10 mm
Habitat Rivers & Streams Underground
Diet Herbivores Herbivores
Regions Europe Europe
Conservation Least Concern Least Concern

Brown Willow Beetle

A small brown beetle that feeds on willow leaves and can cause significant defoliation. Has been used as a biological control agent for purple loosestrife in North America.

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Did You Know?

A close relative was deliberately introduced to North America as biological control for invasive purple loosestrife.

Solomon's Seal Sawfly

A small, entirely black sawfly whose grayish-white larvae with black heads are highly destructive to Solomon's seal plants. Larvae feed from the leaf edges inward.

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Did You Know?

The larvae are so well camouflaged against the undersides of Solomon's seal leaves that gardeners often only notice them after severe damage is done.