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Species Xanthorhoe labradorensis - Labrador Carpet Moth - Hodges#7368

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Show images of: caterpillars · adults · both
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Lepidoptera (Butterflies and Moths)
Superfamily Geometroidea (Geometrid and Swallowtail Moths)
Family Geometridae (Geometrid Moths)
Subfamily Larentiinae
Tribe Xanthorhoini
Genus Xanthorhoe
Species labradorensis (Labrador Carpet Moth - Hodges#7368)
Hodges Number
Synonyms and other taxonomic changes
Xanthorhoe labradorensis (Packard, 1867)
Coremia labradorensis Packard, 1867
Gypsochroa emendata Pearsall, 1914
Wingspan ≈ 25 mm (1)
Adult: A flimsy moth with a small body and broad wings. FW light grey, slightly mottled. Basal area is red brown, with prominent black AM. Median area, between AM and PM, is rust-red, with a small red-brown patch on the costa, before the apex. HW light grey. (1) (2)

Specimens identified by DNA analysis:

genitalia - apex of costa broadly pointed and exceeding length of valva; aedeagus with large, split cluster of spines at the apex.

male antennae - segments doubly bifasciculate
Found across Canada, Alaska, and south in the east to Louisiana and Mississippi. (1)
Open wooded areas and edges.(1)
One generation per year, with adults on wing from late May to late August in the northern part of the range. (1)
Larvae feed are polyphagous, and feed on a wide range of plants, including herbs and woody plants.(1)
Page creation based on John Davis' identification of this image
Black AM followed by the wide red median band should separate labradorensis from all but X. packardata. Xanthorhoe are one of the most difficult groups of geometrid moths to identify, and little has been published on North American members of this genus to date. These two species are frequently misidentified in collections and elsewhere, and should be dissected for positive identification. (2)
Internet References
Moth Photographers Group – species page (3)
BOLD Systems - images of DNA supported specimens (4)
Wikipedia - brief description (1)
E. H. Strickland Museum – image of pinned adult (2)