August Thorn vs Sunda Colugo Fly

Side-by-side species comparison

Attribute August Thorn Sunda Colugo Fly
Scientific Name Ennomos quercinaria Megischus bicolor
Order Lepidoptera Hymenoptera
Family Geometridae Stephanidae
Size 32-38 mm wingspan 20-35 mm excluding ovipositor
Habitat Woodlands Woodlands
Diet Herbivores Parasitoids
Regions Europe Southeast Asia (Malaysia, Indonesia, Borneo, Thailand)
Conservation Least Concern Least Concern

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.

Sunda Colugo Fly

A parasitoid wasp with a slender body, extremely long ovipositor, and distinctively bicolored black and orange body. It drills into wood to parasitize beetle larvae hidden inside.

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Did You Know?

The female's ovipositor can be twice the length of her body and she can detect beetle larvae hidden deep inside wood through vibrations.