Macromeris Spider Wasp vs Picromerus Predatory Bug

Side-by-side species comparison

Attribute Macromeris Spider Wasp Picromerus Predatory Bug
Scientific Name Entypus unifasciatus Picromerus bidens
Order Hymenoptera Hemiptera
Family Pompilidae Pentatomidae
Size 15-30 mm 11-14 mm
Habitat Deserts & Drylands Forests
Diet Predators Predators
Regions North America, South America Europe, northern Asia
Conservation Least Concern Least Concern

Macromeris Spider Wasp

A large dark spider wasp with a single white or yellow band on the abdomen. It hunts large wolf spiders and trapdoor spiders across the Americas.

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Did You Know?

Its single bright abdominal band makes it one of the most easily identified spider wasps in the field.

Picromerus Predatory Bug

A dark brown predatory stink bug with two prominent pronotal spines found across Europe. It is an important natural enemy of caterpillars in forests and orchards. Adults have a distinctly spiny appearance.

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Did You Know?

It hunts by gripping caterpillars many times its own weight with its strong forelegs while injecting paralyzing saliva, then draining the prey over several hours.