Blackburnia Hawaiian Ground Beetle vs Violet Ground Beetle

Side-by-side species comparison

Attribute Blackburnia Hawaiian Ground Beetle Violet Ground Beetle
Scientific Name Blackburnia hawaiiensis Carabus violaceus
Order Coleoptera Coleoptera
Family Carabidae Carabidae
Size 12-18 mm 20-35mm
Habitat Forests Underground
Diet Detritivores Predators
Regions Oceania (Hawaii - Big Island) Europe
Conservation Vulnerable Least Concern

Blackburnia Hawaiian Ground Beetle

An endemic Hawaiian ground beetle found in montane forests on the Big Island of Hawaii. It is a nocturnal predator that hunts among leaf litter and under bark. The genus Blackburnia is endemic to Hawaii and represents one of the most spectacular insect radiations in the islands.

💡

Did You Know?

The genus Blackburnia has diversified into over 130 species across the Hawaiian Islands, all evolved from a single colonizing ancestor.

Violet Ground Beetle

A large black beetle with violet or purple margins on its elytra and thorax. It is nocturnal and hides under logs and stones during the day.

💡

Did You Know?

When threatened, it releases a foul-smelling liquid from its abdomen to deter predators.