Waterlily Leaf Beetle vs South American Darkling Beetle

Side-by-side species comparison

Attribute Waterlily Leaf Beetle South American Darkling Beetle
Scientific Name Galerucella nymphaeae Zophobas morio
Order Coleoptera Coleoptera
Family Chrysomelidae Tenebrionidae
Size 5-7 mm 18-25 mm
Habitat Ponds & Lakes Woodlands
Diet Herbivores Fruit Feeders
Regions Europe, Northern Asia Brazil, Central America, northern South 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.

South American Darkling Beetle

A large shiny black darkling beetle widely distributed across tropical South America. Its larvae, known as superworms, are commonly used as animal feed.

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Did You Know?

Its larvae can digest polystyrene plastic thanks to gut bacteria, making them subjects of biodegradation research.