Bioluminescent Fungus Gnat vs August Thorn

Side-by-side species comparison

Attribute Bioluminescent Fungus Gnat August Thorn
Scientific Name Keroplatus testaceus Ennomos quercinaria
Order Diptera Lepidoptera
Family Keroplatidae Geometridae
Size 8-12 mm 32-38 mm wingspan
Habitat Woodlands Woodlands
Diet Fungus Feeders Herbivores
Regions Europe Europe
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.

August Thorn

A thorn moth flying in late summer with warm yellow-brown wings. Rests with wings spread flat. Larvae feed on oak and other deciduous trees.

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Did You Know?

The angular wing shape and brown coloring give it a remarkable resemblance to a dry autumn leaf.