Hawaiian Picture-wing Fly (Silvestris) vs Gypsy Moth Tachinid

Side-by-side species comparison

Attribute Hawaiian Picture-wing Fly (Silvestris) Gypsy Moth Tachinid
Scientific Name Drosophila silvestris Compsilura concinnata
Order Diptera Diptera
Family Drosophilidae Tachinidae
Size 4-6 mm 7-10 mm
Habitat Forests Woodlands
Diet Wood Feeders Parasites
Regions Oceania (Hawaii - Big Island) Europe, North America, Asia
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.

Gypsy Moth Tachinid

A parasitic fly introduced to North America from Europe to control gypsy moths. It has an extremely broad host range attacking over 200 insect species.

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Did You Know?

Its introduction to North America is now considered a mistake because it devastated native silk moth populations.