Rain Beetle Hunter vs Mediterranean Mantis

Side-by-side species comparison

Attribute Rain Beetle Hunter Mediterranean Mantis
Scientific Name Calosoma cancellatum Iris oratoria
Order Coleoptera Mantodea
Family Carabidae Mantidae
Size 18-25 mm 40-60 mm
Habitat Grasslands Heathland
Diet Predators Predators
Regions North America, from Canada to Mexico Southern Europe, North Africa, Western United States
Conservation Least Concern Least Concern

Rain Beetle Hunter

A medium to large caterpillar hunter with dark elytra marked by rows of rectangular pits giving a grid-like appearance. It is one of the most common Calosoma species across North American prairies.

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Did You Know?

It emerges in massive numbers after rain events on the Great Plains, earning the nickname rain beetle, and can be found running across roads in huge aggregations.

Mediterranean Mantis

A medium-sized mantis with striking eyespots on its hindwings used to startle predators. It is native to the Mediterranean but established in the western United States.

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Did You Know?

When threatened, it flashes vivid purple and black eyespots on its hindwings to scare predators.