Spruce Beetle vs Asian Mulberry Longhorn

Side-by-side species comparison

Attribute Spruce Beetle Asian Mulberry Longhorn
Scientific Name Dendroctonus rufipennis Apriona germari
Order Coleoptera Coleoptera
Family Curculionidae Cerambycidae
Size 4-7 mm 30-50 mm
Habitat Forests Farmland
Diet Wood Feeders Wood Feeders
Regions Alaska, western Canada, and the Rocky Mountain states India, China, Southeast Asia, Japan
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.

💡

Did You Know?

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

Asian Mulberry Longhorn

A large greyish-brown lamiin that attacks mulberry, fig, and other trees across South and Southeast Asia. It is a serious pest in sericulture regions where mulberry is grown for silkworm rearing. Larvae bore deep tunnels in trunks.

💡

Did You Know?

In silk-producing regions of India, mulberry trees must be inspected regularly and infested trunks treated to prevent collapse.