American Xyelid Sawfly vs Weedy Water Sedge

Side-by-side species comparison

Attribute American Xyelid Sawfly Weedy Water Sedge
Scientific Name Xyela bakeri Leptocerus tineiformis
Order Hymenoptera Trichoptera
Family Xyelidae Leptoceridae
Size 3-5 mm 7-11 mm
Habitat Ponds & Lakes Ponds & Lakes
Diet Pollen Feeders Detritivores
Regions Western North America Europe
Conservation Least Concern Least Concern

American Xyelid Sawfly

A minute primitive sawfly native to western North America with the family's characteristic elongated third antennal segment. Adults appear in early spring.

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Did You Know?

Despite being among the most primitive Hymenoptera, xyelid sawflies are highly specialized in their larval diet, feeding exclusively on pine pollen.

Weedy Water Sedge

A slender caddisfly associated with weedy European lakes and canals. Larvae build cases from fine sand and plant fragments.

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Did You Know?

Adults are strongly attracted to light and often appear in large numbers at lakeside lamps.