Long-horned Caddisfly vs Waterlily Leaf Beetle

Side-by-side species comparison

Attribute Long-horned Caddisfly Waterlily Leaf Beetle
Scientific Name Mystacides longicornis Galerucella nymphaeae
Order Trichoptera Coleoptera
Family Leptoceridae Chrysomelidae
Size 7-10 mm body 5-7 mm
Habitat Ponds & Lakes Ponds & Lakes
Diet Detritivores Herbivores
Regions Europe Europe, Northern Asia
Conservation Least Concern Least Concern

Long-horned Caddisfly

A slender caddisfly with antennae three times its body length.

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Did You Know?

Its extraordinarily long antennae are held forward during its weak fluttering flight.

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.