Death's Head Cockroach vs New Zealand Glowworm

Side-by-side species comparison

Attribute Death's Head Cockroach New Zealand Glowworm
Scientific Name Blaberus craniifer Arachnocampa luminosa
Order Blattodea Diptera
Family Blaberidae Keroplatidae
Size 50-75mm 30-40 mm (larvae)
Habitat Caves Caves
Diet Fruit Feeders Fungus Feeders
Regions Central America, South America Oceania
Conservation Least Concern Least Concern

Death's Head Cockroach

A large cockroach with a distinctive skull-like marking on its pronotum. It is a popular feeder insect and pet species. When disturbed it can produce a loud hissing sound by expelling air.

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Did You Know?

The dark marking on its thorax closely resembles a human skull or vampire face, inspiring its morbid common name.

New Zealand Glowworm

A bioluminescent fungus gnat larva endemic to New Zealand. Produces blue-green light to lure prey into sticky silk threads dangling from cave ceilings.

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Did You Know?

These glowworms use a completely different bioluminescent chemistry from fireflies — their luciferin is unique in the animal kingdom, derived from xanthurenic acid.