American Moth-Butterfly vs Spruce Beetle

Side-by-side species comparison

Attribute American Moth-Butterfly Spruce Beetle
Scientific Name Macrosoma heliconiaria Dendroctonus rufipennis
Order Lepidoptera Coleoptera
Family Hedylidae Curculionidae
Size 38-45 mm wingspan 4-7 mm
Habitat Forests Forests
Diet Herbivores Wood Feeders
Regions Central America, South America Alaska, western Canada, and the Rocky Mountain states
Conservation Least Concern Least Concern

American Moth-Butterfly

Pale greenish-gray moth-like butterfly with rounded wings and nocturnal habits. Represents the evolutionary link between butterflies and moths.

💡

Did You Know?

Despite looking like moths, DNA evidence confirms hedylids are true butterflies within Papilionoidea.

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.

💡

Did You Know?

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