Waterlily Leaf Beetle vs White-Lined Darkling Beetle

Side-by-side species comparison

Attribute Waterlily Leaf Beetle White-Lined Darkling Beetle
Scientific Name Galerucella nymphaeae Eleodes longicollis
Order Coleoptera Coleoptera
Family Chrysomelidae Tenebrionidae
Size 5-7 mm 20-28 mm
Habitat Ponds & Lakes Deserts & Drylands
Diet Herbivores Detritivores
Regions Europe, Northern Asia North America
Conservation Least Concern Least Concern

Waterlily Leaf Beetle

A small, brown leaf beetle that feeds on the upper surfaces of waterlily pads. It creates distinctive feeding grooves across floating leaves.

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Did You Know?

Although it feeds on aquatic plants, the beetle cannot swim and will drown if it falls off a lily pad into open water.

White-Lined Darkling Beetle

A smooth, elongated darkling beetle with a distinctively long pronotum. It is common in the Chihuahuan and Sonoran deserts.

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Did You Know?

Like other Eleodes, it performs a headstand to spray noxious chemicals at attackers.