Denticulate Soldier Beetle vs Rough-Skinned Diving Beetle

Side-by-side species comparison

Attribute Denticulate Soldier Beetle Rough-Skinned Diving Beetle
Scientific Name Silis percomis Dytiscus lapponicus
Order Coleoptera Coleoptera
Family Cantharidae Dytiscidae
Size 5-8 mm 24-30 mm
Habitat Grasslands Mountains
Diet Pollen Feeders Omnivores
Regions Central North America Northern Europe, Northern Asia
Conservation Least Concern Least Concern

Denticulate Soldier Beetle

A small, rarely noticed soldier beetle found in grasslands of the midwestern United States. Males have distinctive tooth-like projections on their antennae.

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Did You Know?

The serrated antennae of males are unique among North American soldier beetles and aid in detecting pheromones.

Rough-Skinned Diving Beetle

A large diving beetle of northern and alpine regions across Europe and Asia. Both sexes have finely sculptured elytra, distinguishing it from the great diving beetle.

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Did You Know?

It is one of the few large predatory beetles adapted to survive the extreme cold of subarctic lakes.