Blue-black Spider Wasp vs Black Clock Beetle

Side-by-side species comparison

Attribute Blue-black Spider Wasp Black Clock Beetle
Scientific Name Anoplius viaticus Pterostichus madidus
Order Hymenoptera Coleoptera
Family Pompilidae Carabidae
Size 8-15 mm 14-18 mm
Habitat Heathland Gardens
Diet Predators Predators
Regions Europe, Western Asia Europe
Conservation Least Concern Least Concern

Blue-black Spider Wasp

A dark metallic blue spider wasp with orange-red abdominal bands. It hunts wolf spiders on sandy heathlands and dunes across Europe.

💡

Did You Know?

It is one of the first solitary wasps to appear each spring in northern Europe, sometimes flying as early as March.

Black Clock Beetle

A common nocturnal ground beetle found throughout European gardens and farmland. It is jet black and a voracious predator of slugs and pest insects.

💡

Did You Know?

Gardeners consider it one of the most beneficial beetles because a single individual can eat its body weight in slug eggs every night.