Water Boatman vs Evergreen Bagworm Moth

Side-by-side species comparison

Attribute Water Boatman Evergreen Bagworm Moth
Scientific Name Corixa punctata Thyridopteryx ephemeraeformis
Order Hemiptera Lepidoptera
Family Corixidae Psychidae
Size 6-10 mm Males 25 mm wingspan; females wingless and legless
Habitat Ponds & Lakes Gardens
Diet Herbivores Herbivores
Regions Europe Eastern North America
Conservation Least Concern Least Concern

Water Boatman

A small, oval aquatic bug with oar-like hind legs fringed with swimming hairs. Unlike most aquatic bugs, water boatmen are primarily herbivores that scrape algae from underwater surfaces.

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Did You Know?

Male water boatmen produce the loudest sound relative to body size of any animal on Earth, singing at 99 decibels by rubbing a ridge on their genitalia against their abdomen.

Evergreen Bagworm Moth

A North American bagworm whose larvae construct spindle-shaped bags covered in bits of leaves and twigs. Heavy infestations can completely defoliate and kill ornamental evergreen trees.

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Did You Know?

The adult female is so reduced that she is essentially a bag of eggs with no wings, legs, eyes, or functional mouthparts.