Unicorn Mantis vs Western Stone

Side-by-side species comparison

Attribute Unicorn Mantis Western Stone
Scientific Name Pseudovates peruviana Doroneuria baumanni
Order Mantodea Plecoptera
Family Vatidae Perlidae
Size 55-70mm 25-35 mm
Habitat Mountains Mountains
Diet Predators Predators
Regions South America North America
Conservation Data Deficient Least Concern

Unicorn Mantis

A slender mantis with a horn-like projection on its head and lobed leg extensions. Its green and brown coloring mimics lichen-covered twigs. The horn gives it a distinctive unicorn-like profile.

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Did You Know?

The single horn on its head serves no known function but makes it one of the most distinctive mantis species.

Western Stone

A large predatory stonefly of Pacific Northwest mountain streams. Nymphs have distinctive patterned heads and powerful mandibles.

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Did You Know?

Nymphs take up to three years to complete development in cold mountain streams.