Annulated Longhorn vs Spruce Budworm

Side-by-side species comparison

Attribute Annulated Longhorn Spruce Budworm
Scientific Name Chloridolum annulare Choristoneura fumiferana
Order Coleoptera Lepidoptera
Family Cerambycidae Tortricidae
Size 16-24 mm 20-28 mm wingspan
Habitat Forests Forests
Diet Pollen Feeders Omnivores
Regions Southern China, northern Vietnam North America
Conservation Least Concern Least Concern

Annulated Longhorn

A slender metallic green longhorn with distinctive dark rings on the antennae, giving it its common name. Found in subtropical forests of southern China and northern Vietnam. Adults are diurnal flower visitors.

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Did You Know?

The alternating dark and pale antennal segments serve as a species-recognition signal during courtship.

Spruce Budworm

A small mottled grey-brown moth that is the most destructive forest pest in North America. Outbreaks can kill millions of hectares of spruce and fir forest.

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Did You Know?

A single outbreak in the 1970s-80s damaged more timber than all forest fires in Canada combined.