Hawaiian Picture-wing Fly (Silvestris) vs Siam Crown Moth

Side-by-side species comparison

Attribute Hawaiian Picture-wing Fly (Silvestris) Siam Crown Moth
Scientific Name Drosophila silvestris Attacus taprobanis
Order Diptera Lepidoptera
Family Drosophilidae Saturniidae
Size 4-6 mm 150-220 mm wingspan
Habitat Forests Forests
Diet Wood Feeders Herbivores
Regions Oceania (Hawaii - Big Island) Southeast Asia (Myanmar, Thailand) and South Asia (Sri Lanka, India)
Conservation Endangered Least Concern

Hawaiian Picture-wing Fly (Silvestris)

A Hawaiian picture-wing fly closely related to D. heteroneura but with a normally shaped head. It is found in wet forests on Hawaii Island. This species and D. heteroneura are a classic study system for understanding speciation in progress.

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Did You Know?

D. silvestris and D. heteroneura can hybridize in the lab, providing key insights into how new species form through sexual selection.

Siam Crown Moth

A large silk moth closely related to the Atlas moth with warm cinnamon-brown wings and distinctive angular wing tips. The wing pattern features complex marbling and translucent triangular windows.

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Did You Know?

The translucent wing windows are thought to help confuse predators by allowing the background to show through, breaking up the moth's silhouette.