Big-eyed Ground Beetle vs Dog Biting Louse

Side-by-side species comparison

Attribute Big-eyed Ground Beetle Dog Biting Louse
Scientific Name Notiophilus biguttatus Trichodectes canis
Order Coleoptera Phthiraptera
Family Carabidae Trichodectidae
Size 5-6 mm 1.5-2 mm
Habitat Underground Underground
Diet Predators Omnivores
Regions Europe, northern Asia Europe, Asia, North America
Conservation Least Concern Least Concern

Big-eyed Ground Beetle

A small, fast-running ground beetle with enormously enlarged eyes relative to its body size. It has a bronze sheen and is a visual hunter that chases springtails across the ground.

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Did You Know?

Its eyes are so large relative to its head that they are considered one of the most extreme examples of visual adaptation among ground beetles, rivaling tiger beetles.

Dog Biting Louse

A chewing louse that infests domestic dogs, feeding on skin debris and secretions. It can serve as an intermediate host for the dog tapeworm.

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Did You Know?

Dogs can acquire tapeworm infections by accidentally swallowing these lice during grooming, as the lice carry tapeworm larvae.