Waterlily Leaf Beetle vs Mammoth Cave Beetle

Side-by-side species comparison

Attribute Waterlily Leaf Beetle Mammoth Cave Beetle
Scientific Name Galerucella nymphaeae Xenotrechus condei
Order Coleoptera Coleoptera
Family Chrysomelidae Carabidae
Size 5-7 mm 5-7 mm
Habitat Ponds & Lakes Caves
Diet Herbivores Omnivores
Regions Europe, Northern Asia United States
Conservation Least Concern Endangered

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.

Mammoth Cave Beetle

A rare troglobitic ground beetle known from caves in the Ozark region of Missouri. It is eyeless with greatly elongated appendages.

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Did You Know?

It was not discovered until 1987, despite extensive surveys of Missouri caves.