Spruce Beetle vs Snout Moth

Side-by-side species comparison

Attribute Spruce Beetle Snout Moth
Scientific Name Dendroctonus rufipennis Vitessa suradeva
Order Coleoptera Lepidoptera
Family Curculionidae Pyralidae
Size 4-7 mm 40-50 mm wingspan
Habitat Forests Forests
Diet Wood Feeders Herbivores
Regions Alaska, western Canada, and the Rocky Mountain states Southeast Asia
Conservation Least Concern Least Concern

Spruce Beetle

A dark brown to black bark beetle that is the primary killer of mature spruce trees in North America. Outbreaks are triggered by drought, windthrow, or warming temperatures.

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Did You Know?

A single outbreak in Alaska during the 1990s killed spruce trees across more than one million acres.

Snout Moth

A large pyralid moth from Southeast Asia and New Guinea whose caterpillars spin webs on young leaves of poisonous shrubs. Adults have elongated labial palps forming a 'snout'.

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Did You Know?

Caterpillars can tolerate feeding on toxic plants that would kill most other moth species.