Giant Amazonian Ground Beetle vs Blue-black Spider Wasp

Side-by-side species comparison

Attribute Giant Amazonian Ground Beetle Blue-black Spider Wasp
Scientific Name Calosoma alternans Anoplius viaticus
Order Coleoptera Hymenoptera
Family Carabidae Pompilidae
Size 22-30 mm 8-15 mm
Habitat Farmland Heathland
Diet Predators Predators
Regions Central America, South America Europe, Western Asia
Conservation Least Concern Least Concern

Giant Amazonian Ground Beetle

A large Neotropical caterpillar hunter with dark elytra bearing rows of metallic pits. It is an important natural enemy of agricultural pest caterpillars in Central and South America.

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Did You Know?

It is frequently attracted to lights at night and has been studied as a biological control agent for fall armyworm, a devastating pest of maize across the Americas.

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.

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Did You Know?

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