Wide-horned Hissing Cockroach vs Zebra Swallowtail

Side-by-side species comparison

Attribute Wide-horned Hissing Cockroach Zebra Swallowtail
Scientific Name Gromphadorhina oblongonota Eurytides marcellus
Order Blattodea Lepidoptera
Family Blaberidae Papilionidae
Size 50-70 mm 64-100 mm wingspan
Habitat Woodlands Woodlands
Diet Fruit Feeders Omnivores
Regions Madagascar Eastern United States
Conservation Not Evaluated Least Concern

Wide-horned Hissing Cockroach

A large Madagascan hissing cockroach with prominent wide pronotal bumps. It is often confused with G. portentosa but has a different horn shape.

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Did You Know?

Each individual produces a unique hiss pattern that other cockroaches can distinguish.

Zebra Swallowtail

A pale greenish-white swallowtail with bold black stripes and very long hindwing tails. Its striking zebra-like pattern makes it one of the most recognizable North American butterflies.

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Did You Know?

Spring-emerging individuals have shorter tails and darker markings than the larger, paler summer generation.