Sharp-Grooved Diving Beetle vs Gladiator Bug

Side-by-side species comparison

Attribute Sharp-Grooved Diving Beetle Gladiator Bug
Scientific Name Acilius sulcatus Mantophasma zephyra
Order Coleoptera Mantophasmatodea
Family Dytiscidae Mantophasmatidae
Size 15-18 mm 15-25 mm
Habitat Ponds & Lakes Heathland
Diet Predators Predators
Regions Europe, Western Asia Africa
Conservation Least Concern Data Deficient

Sharp-Grooved Diving Beetle

A medium-sized diving beetle widespread across Europe, recognized by the deeply grooved elytra of females. It is a fast and agile predator in ponds.

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Did You Know?

Females have deeply furrowed elytra that prevent males from gripping them, giving them control over mating.

Gladiator Bug

One of the first species described in the newest insect order Mantophasmatodea, erected in 2002. A small wingless predator also called a heelwalker for its distinctive gait.

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Did You Know?

This species belongs to the insect order Mantophasmatodea, described in 2002 — the first new insect order to be discovered in nearly 90 years.