Carpenterworm Moth vs Small Emerald Moth

Side-by-side species comparison

Attribute Carpenterworm Moth Small Emerald Moth
Scientific Name Prionoxystus robiniae Hemistola chrysoprasaria
Order Lepidoptera Lepidoptera
Family Cossidae Geometridae
Size 40–75 mm wingspan 28-33 mm wingspan
Habitat Forests Heathland
Diet Wood Feeders Omnivores
Regions North America Europe
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.

Small Emerald Moth

A small, delicate moth with uniformly pale green wings and fine white fringe. It is one of the daintiest European emerald moths.

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Did You Know?

It feeds exclusively on wild clematis, making it confined to areas where this plant grows.