Douglas-fir Tussock Moth vs Asiatic Rice Borer

Side-by-side species comparison

Attribute Douglas-fir Tussock Moth Asiatic Rice Borer
Scientific Name Orgyia pseudotsugata Chilo suppressalis
Order Lepidoptera Lepidoptera
Family Erebidae Crambidae
Size 25-35 mm wingspan (males) 20-28 mm wingspan
Habitat Forests Farmland
Diet Omnivores Omnivores
Regions North America Asia, Southern Europe
Conservation Not Evaluated Not Evaluated

Douglas-fir Tussock Moth

A defoliator of Douglas-fir and true firs in western North America. Outbreaks cause severe defoliation and tree mortality in dry inland forests.

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Did You Know?

Females are flightless and lay their eggs directly on their cocoons.

Asiatic Rice Borer

A major pest of rice across Asia, where larvae bore into tillers and stems. Heavy infestations cause whiteheads and significant yield losses.

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Did You Know?

It is one of the target pests for Bt rice varieties currently under development in China.