Cabbage Stem Weevil vs Silver Birch Web-Spinning Sawfly

Side-by-side species comparison

Attribute Cabbage Stem Weevil Silver Birch Web-Spinning Sawfly
Scientific Name Ceutorhynchus pallidactylus Pamphilius sylvaticus
Order Coleoptera Hymenoptera
Family Curculionidae Pamphiliidae
Size 2.5-3.5 mm 9-12 mm
Habitat Farmland Woodlands
Diet Herbivores Herbivores
Regions Europe Europe
Conservation Least Concern Least Concern

Cabbage Stem Weevil

A grey weevil that mines inside brassica stems. Larvae tunnel through stems causing weakening. One of several Ceutorhynchus species affecting oilseed rape.

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Did You Know?

Larval tunneling weakens plant stems to the point where they may snap in windy conditions.

Silver Birch Web-Spinning Sawfly

A flat-bodied sawfly with long filiform antennae and a broad head. Larvae roll or fold birch leaves with silk and feed within the shelters.

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Did You Know?

The flattened body shape of pamphiliid sawflies is an adaptation that allows adults to squeeze into tight spaces in leaf litter and bark crevices.