Kaup Bess Beetle vs Eastern Yellowjacket

Side-by-side species comparison

Attribute Kaup Bess Beetle Eastern Yellowjacket
Scientific Name Passalus interstitialis Vespula maculifrons
Order Coleoptera Hymenoptera
Family Passalidae Vespidae
Size 30-40 mm 12-16 mm
Habitat Woodlands Woodlands
Diet Wood Feeders Carrion Feeders
Regions Central America, Mexico Eastern North America from Canada to the Gulf states
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.

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Did You Know?

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

Eastern Yellowjacket

A common ground-nesting yellowjacket with bold black and yellow banding on its abdomen. It builds large paper nests underground that can contain thousands of workers.

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Did You Know?

Its underground nests can grow to the size of a basketball and contain over 4,000 workers by late summer.