Polites origenes (Fabricius, 1793)
Identification: Upperside is dark brown with orange markings. Female usually lacks orange along the forewing costa and has a square spot below the end of the cell; male has a long, straight forewing stigma. Underside of hindwing is orange-brown with a faint band of spots.
Wing Span: 1 1/8 - 1 1/2 inches (2.9 - 3.8 cm).
Life History: Males perch in open grassy areas most of the day to await receptive females. Courtship occurs from midday to mid-afternoon. Third- and fourth-stage caterpillars hibernate.
Flight: One brood from June-August in the north, two broods from May-September in the south.
Caterpillar Hosts: Purpletop (Tridens flavus), little bluestem (Andropogon scoparius), and other grasses.
Adult Food: White, pink, or purple flowers are preferred including purple vetch, red clover, selfheal, dogbane, shrub houstonia, New Jersey tea, and New York ironweed.
Habitat: Open grassy areas including prairies hills, barrens, power line cuts, old fields, forest openings.
Range: Western North Dakota east across central Minnesota, southern Ontario, and southern Quebec to central Maine; south to northeast Texas, the Gulf Coast, and northern Florida. A separate population (P. o. rhena) occurs along the Rocky Mountains from northern Colorado to northeastern New Mexico.
Conservation: Populations of subspecies rhena, found in patches of all tall-grass prairies, should be conserved wherever found.
NCGR: G5 - Demonstrably secure globally, though it may be quite rare in parts of its range, especially at the periphery.
Management Needs: None reported.
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