Summer Fishfly vs Nut Weevil

Side-by-side species comparison

Attribute Summer Fishfly Nut Weevil
Scientific Name Chauliodes pectinicornis Curculio nucum
Order Megaloptera Coleoptera
Family Corydalidae Curculionidae
Size 25-40 mm 6-9 mm
Habitat Rivers & Streams Orchards
Diet Omnivores Omnivores
Regions North America Europe
Conservation Least Concern Least Concern

Summer Fishfly

A medium-sized fishfly emerging in summer with distinctive dark-veined wings and feathery antennae. Larvae develop in muddy stream bottoms.

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Did You Know?

Unlike dobsonfly larvae that prefer fast-flowing water, summer fishfly larvae thrive in slow muddy pools and swamps.

Nut Weevil

A small weevil with a slender, downward-curved snout used to bore into hazelnuts. The larva feeds inside the nut before dropping to the ground to pupate.

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Did You Know?

A tiny round hole in a hazelnut shell is the exit point of the fully grown larva.