Bioluminescent Fungus Gnat vs Louse Fly

Side-by-side species comparison

Attribute Bioluminescent Fungus Gnat Louse Fly
Scientific Name Keroplatus testaceus Hippobosca equina
Order Diptera Diptera
Family Keroplatidae Hippoboscidae
Size 8-12 mm 7-8 mm
Habitat Woodlands Farmland
Diet Fungus Feeders Blood Feeders
Regions Europe Europe, Asia, Africa
Conservation Near Threatened Least Concern

Bioluminescent Fungus Gnat

A remarkable fungus gnat whose larvae create bioluminescent webs on bracket fungi. The blue-green glow attracts prey insects. One of the few bioluminescent insects outside fireflies.

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Did You Know?

Larvae glow in the dark, creating eerie blue-green patches on bracket fungi in dark forests.

Louse Fly

A flattened bloodsucking fly parasite of horses and cattle with powerful clawed legs for clinging to fur. Adults are incredibly tough and difficult to crush.

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Did You Know?

Its body is so tough and flattened that it can withstand being stepped on by its horse host without injury.