March Fly vs Namib Fog Beetle

Side-by-side species comparison

Attribute March Fly Namib Fog Beetle
Scientific Name Bibio marci Stenocara gracilipes
Order Diptera Coleoptera
Family Bibionidae Tenebrionidae
Size 10-13 mm 15-20 mm
Habitat Underground Deserts & Drylands
Diet Detritivores Detritivores
Regions Europe Africa
Conservation Least Concern Least Concern

March Fly

A common black fly that swarms in large numbers around Saint Marks Day in April.

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Did You Know?

Mating pairs fly joined together with the smaller male dangling beneath the female.

Namib Fog Beetle

A darkling beetle that harvests drinking water from coastal fog in the Namib Desert. It tilts its body into the wind so condensation runs down its shell into its mouth.

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Did You Know?

This beetles shell has hydrophilic bumps surrounded by hydrophobic troughs — fog collects on the bumps and rolls to its mouth. This inspired new water-harvesting technologies.