Species Euchlaena tigrinaria - Mottled Euchlaena - Hodges#6737

6737

wingspan 33-41 mm

Adult: forewing color varies from bright orangish-yellow to medium yellowish-brown, darker beyond single fairly straight PM line; dark gray or black speckling intermixed with several larger blotches (speckling not as conspicuous against ground color of darker specimens); outer margin with shallow point but otherwise straight-edged, not wavy; pale patch at apex bordered by apical dash

hindwing similarly colored, with 2 or 3 shallow scallops along upper half of outer margin

Larva: body silver and gray with dorsal patches of reddish-brown; posterior of A1 and A5 with subdorsal wart; rests in typical dead-twig posture with only hindlegs resting on substrate

New Brunswick to Virginia, west to Texas, Utah, and Oregon, north to British Columbia

deciduous forests and parks

adults fly from April to August in the south; May or June to July in the north

larvae in April and May

larvae feed on leaves of Trembling Aspen (Populus tremuloides), White Birch (Betula papyrifera), Buffaloberry (Shepherdia canadensis), Red-osier Dogwood (Cornus sericea = stolonifera), Beaked Hazel (Corylus cornuta), oak, Oceanspray (Holodiscus discolor), Lodgepole Pine (Pinus contorta), Saskatoon Serviceberry (Amelanchier alnifolia), willow

one generation per year

other Euchlaena moths (compare images of 9 species)

Moth Photographers Group - range map, photos of living and pinned adults.

pinned adult images showing variation in color and markings (CBIF)

pinned adult image plus description, common name reference, habitat, food plants, distribution (G.G. Anweiler, U. of Alberta)

pinned adult image plus description, food plants, similar species (Jeff Miller, Macromoths of Northwest Forests and Woodlands; USGS)

live larva image plus description and seasonality (Jeff Miller, Caterpillars of Pacific Northwest Forests and Woodlands; USGS)

presence in Utah; list (Utah Lepidopterists Society)

distribution in Canada list of provinces (CBIF)