Wahlberg's Cockroach vs Giant Salmonfly

Side-by-side species comparison

Attribute Wahlberg's Cockroach Giant Salmonfly
Scientific Name Deropeltis wahlbergi Pteronarcys princeps
Order Blattodea Plecoptera
Family Blattidae Pteronarcyidae
Size 25-35 mm 35-50 mm
Habitat Grasslands Mountains
Diet Detritivores Detritivores
Regions Southern Africa (South Africa, Mozambique) North America
Conservation Not Evaluated Least Concern

Wahlberg's Cockroach

A medium-sized black cockroach with orange wing margins found in southern Africa. It is named after the Swedish naturalist Johan August Wahlberg.

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Did You Know?

It curls up defensively like a pillbug when handled, a behavior unusual among cockroaches.

Giant Salmonfly

A massive stonefly of western mountain rivers with a three-year nymphal life cycle. Nymphs feed on decomposing leaf material in cold streams.

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Did You Know?

Adults are among the largest flying insects in North America and can barely sustain flight due to their weight.