Dubia Roach vs Giant Bess Beetle

Side-by-side species comparison

Attribute Dubia Roach Giant Bess Beetle
Scientific Name Blaptica dubia Passalus punctiger
Order Blattodea Coleoptera
Family Blaberidae Passalidae
Size 35-45 mm 35-50 mm
Habitat Woodlands Woodlands
Diet Fruit Feeders Wood Feeders
Regions South America, Central America South America
Conservation Least Concern Least Concern

Dubia Roach

A medium-sized South American cockroach with sexually dimorphic adults: males have full wings while females have only tiny wing stubs. It is widely bred as feeder insects.

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Did You Know?

Dubia roaches are preferred feeder insects for reptiles because they cannot climb smooth surfaces or fly, making escape from enclosures nearly impossible.

Giant Bess Beetle

A very large, robust bess beetle with a glossy black exoskeleton and strong mandibles. It creates extensive tunnel systems in large fallen trees. Multiple generations may coexist within a single log.

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Did You Know?

Larvae pupate in protective cases made from frass that parents help construct.