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Macromoths of Northwest Forests and Woodlands

Saturnia mendocino [Saturniidae]

JPG-Saturnia mendocino

Wingspan 6.5 cm. Forewing is dark brown with a round black reniform spot; hindwing is yellow-orange with a black postmedian band and round reniform spot. This saturniid is rare in the northern reaches of its range and occurs in dry forests of California and western Oregon. Moths fly during the day in spring. Caterpillars feed on the foliage of manzanita (Arctostaphylos), madrone (Arbutus menziesii), and species of Ceanothus.

Similar species: Saturnia albofasciata forewing with a white median band, restricted to California, moths fly in fall, caterpillars feed on the foliage of Ceanothus.

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