Carpenterworm Moth vs Feathered Thorn

Side-by-side species comparison

Attribute Carpenterworm Moth Feathered Thorn
Scientific Name Prionoxystus robiniae Colotois pennaria
Order Lepidoptera Lepidoptera
Family Cossidae Geometridae
Size 40–75 mm wingspan 40-50 mm wingspan
Habitat Forests Underground
Diet Wood Feeders Herbivores
Regions North America Europe, western Asia
Conservation Not Evaluated Least Concern

Carpenterworm Moth

A large North American moth whose larvae bore into the heartwood of oaks, elms, and other hardwoods. It is the most destructive wood-boring moth in eastern forests.

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Did You Know?

Larvae create tunnels up to 25 mm wide and take three to four years to complete development.

Feathered Thorn

An autumn-flying moth with warm orange-brown wings and males bearing dramatically feathered antennae. It flies late in the year when few other moths are active.

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Did You Know?

Males use their enormous feathered antennae to detect female pheromones on cold autumn nights.