Nut Weevil vs Spotted Grass Moth

Side-by-side species comparison

Attribute Nut Weevil Spotted Grass Moth
Scientific Name Curculio nucum Rivula propinqualis
Order Coleoptera Lepidoptera
Family Curculionidae Crambidae
Size 6-9 mm 15-20 mm wingspan
Habitat Orchards Ponds & Lakes
Diet Omnivores Omnivores
Regions Europe Eastern North America
Conservation Least Concern Least Concern

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.

Spotted Grass Moth

A tiny yellowish moth with a distinctive dark spot on each forewing. It is extremely common in damp grassy habitats across eastern North America.

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Did You Know?

Despite being one of the most abundant moths in its range, it is so small that most people never notice it.