White Miller Caddisfly vs Giant Namib Darkling Beetle

Side-by-side species comparison

Attribute White Miller Caddisfly Giant Namib Darkling Beetle
Scientific Name Nectopsyche albida Onymacris rugatipennis
Order Trichoptera Coleoptera
Family Leptoceridae Tenebrionidae
Size 8-12 mm 25-35 mm
Habitat Ponds & Lakes Deserts & Drylands
Diet Detritivores Detritivores
Regions North America Africa
Conservation Least Concern Least Concern

White Miller Caddisfly

A small white caddisfly commonly found near lights along eastern North American waterways. Its delicate white wings make it easily recognizable.

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Did You Know?

White millers swarm around riverside lights in such numbers that they can create slippery hazards on bridges and roadways.

Giant Namib Darkling Beetle

One of the largest darkling beetles in the Namib, with deeply ridged wing covers. It is active during the day, running rapidly across hot sand.

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Did You Know?

It can sprint across sand that reaches temperatures of 60 degrees Celsius by raising its body high on stilt-like legs.