Weevil vs Smoky Alderfly

Side-by-side species comparison

Attribute Weevil Smoky Alderfly
Scientific Name Curculio glandium Sialis fuliginosa
Order Coleoptera Megaloptera
Family Curculionidae Sialidae
Size 4-9 mm 12-16 mm
Habitat Woodlands Ponds & Lakes
Diet Omnivores Omnivores
Regions Europe, Asia Europe
Conservation Least Concern Least Concern

Weevil

Acorn weevils have an enormously long rostrum (snout) used to bore into acorns for egg laying. Curculionidae is the largest animal family with over 60,000 species.

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Did You Know?

With over 60,000 described species, weevils (Curculionidae) are the largest family in the entire animal kingdom — there are more weevil species than mammal species.

Smoky Alderfly

A European alderfly distinguished from S. lutaria by its preference for flowing water rather than still ponds. It has dark smoky wings and a blackish body.

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Did You Know?

This alderfly is a reliable indicator of clean running water and is one of the first species to disappear when streams become polluted.