Kaup Bess Beetle vs Box Tree Moth

Side-by-side species comparison

Attribute Kaup Bess Beetle Box Tree Moth
Scientific Name Passalus interstitialis Cydalima perspectalis
Order Coleoptera Lepidoptera
Family Passalidae Crambidae
Size 30-40 mm 35-45 mm wingspan
Habitat Woodlands Gardens
Diet Wood Feeders Wood Feeders
Regions Central America, Mexico Native to East Asia; invasive in Europe and North America
Conservation Least Concern Least Concern

Kaup Bess Beetle

A large, elongate, shiny black bess beetle with prominent mandibles and longitudinal grooves on the elytra. It is the most common Passalid in Central America. Colonies of adults and larvae inhabit decaying logs.

💡

Did You Know?

Bess beetles are subsocial insects where parents and offspring live together and cooperate in maintaining their log galleries.

Box Tree Moth

A white moth with iridescent brown wing borders that has become one of Europe's most destructive invasive species. Its caterpillars can completely defoliate ornamental boxwood hedges.

💡

Did You Know?

Since arriving in Europe around 2007, it has devastated centuries-old boxwood gardens across the continent.