Railroad Worm vs African Spider Wasp

Side-by-side species comparison

Attribute Railroad Worm African Spider Wasp
Scientific Name Phrixothrix hirtus Hemipepsis capensis
Order Coleoptera Hymenoptera
Family Phengodidae Pompilidae
Size 30-65 mm (larvae) 30-50 mm
Habitat Underground Underground
Diet Omnivores Predators
Regions South America Southern Africa
Conservation Least Concern Least Concern

Railroad Worm

A beetle larva with 11 pairs of green-glowing lateral organs and a red-glowing headlamp — the only land animal that produces two different colors of bioluminescence simultaneously.

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Did You Know?

The railroad worm is the only terrestrial animal that glows in two colors at once — green along its sides like railway car windows and red on its head like a locomotive.

African Spider Wasp

A very large blue-black wasp with bright orange wings that hunts baboon spiders. It is one of Africa's largest solitary wasps.

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Did You Know?

A single female can overpower and paralyze a baboon spider three times her own weight with a precisely placed sting.