Cyclicity
المقدمة من University of Alberta Museums
Adults have been collected from late June to late July.
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Distribution
المقدمة من University of Alberta Museums
Holarctic. Like most Xestia in the subfamily Pachnobia, atrata is found across the boreal forest of North America, from the northern edge of the New England states and LB west to AK; south in the mountains to CO. Two subspecies occur in eastern Russia. In AB it has been collected sparingly in the boreal forest region from the Fort McMurray region south in the mountains to Banff, in coniferous woodlands.
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General Description
المقدمة من University of Alberta Museums
A medium size (approximately 3.6-4.0 cm wingspan) relatively broad-winged moth. Forewings even dark black-brown, unmarked except in most specimens a series of tiny yellowish dots, one at the tip of each tooth of the postmedian line and another near the end of each vein where it meets the wing margin. Hind wing slightly paler sooty brown with a darker discal mark and a black terminal line. Sexes similar. Antennae simple in both sexes. The large size and plain dark brown wings will separate it from other boreal noctuids.
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Habitat
المقدمة من University of Alberta Museums
coniferous woodlands
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Life Cycle
المقدمة من University of Alberta Museums
Adults are nocturnal and come to light. Adults have been collected from late June to late July. The larval host(s) are unknown and the larvae are apparently undescribed.
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Trophic Strategy
المقدمة من University of Alberta Museums
The larval host(s) are unknown
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Xestia atrata
(
البلجيكية الهولندية
)
المقدمة من wikipedia NL