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Northern Prairie Wildlife Research Center

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Caterpillars of Pacific Northwest
Forests and Woodlands

Hemileuca eglanterina [Saturniidae]


This brownish black caterpillar has whorls of orange hairs on dorsal and subdorsal black spines. Black spines also occur laterally and sublaterally with off-white hairs; white spiracular band. Gregarious early instars are solid black. The hairy spines of this caterpillar are urticating. This species is common on bitterbrush and serviceberry during May and June.


Return to Photo Key to Species in Group B-3b - Spines with multiple tips
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