Wheat Stem Sawfly vs Rusty Sedge

Side-by-side species comparison

Attribute Wheat Stem Sawfly Rusty Sedge
Scientific Name Cephus cinctus Hydropsyche saxonica
Order Hymenoptera Trichoptera
Family Cephidae Hydropsychidae
Size 8-13 mm (adult) 10-13 mm
Habitat Deserts & Drylands Rivers & Streams
Diet Omnivores Omnivores
Regions North America Europe
Conservation Not Evaluated Least Concern

Wheat Stem Sawfly

A major pest of wheat and barley on the northern Great Plains of North America. Larvae bore inside stems, weakening them and causing lodging.

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Did You Know?

Larvae girdle the stem base before pupating, causing the stem to fall over at harvest.

Rusty Sedge

A net-spinning caddisfly of clean upland European streams sensitive to organic pollution. Larvae construct fine-meshed capture nets between stones.

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Did You Know?

Its presence is used as a biological indicator of excellent water quality in European river assessments.