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Species Phaeoura quernaria - Oak Beauty - Hodges#6763

Moth - Phaeoura quernaria - male Geometrid 32 - Phaeoura quernaria Oak Beauty - Phaeoura quernaria - male Is this an oak beauty? - Phaeoura quernaria Geometridae, Oak Beauty - Phaeoura quernaria - male Unknown Moth - Phaeoura quernaria - male Oak Beauty, Phaeoura quernaria - Phaeoura quernaria Phaeoura sp.? - Phaeoura quernaria
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 Ennominae
Tribe Nacophorini
Genus Phaeoura
Species quernaria (Oak Beauty - Hodges#6763)
Hodges Number
Synonyms and other taxonomic changes
Phaeoura quernaria (J.E. Smith, 1797)
Nacophora Hulst, 1896
There are nine named species of Phaeoura in America north of Mexico. (1)
Wingspan 37-56 mm; female larger.
Adult: wings powdery light to dark olive brown, with variable white patch at forewing apex, and white edging along black AM and PM lines, at least to costa; female with much broader white areas; blackish melanics common. [adapted from Covell (2005) (2)]

Larva: body thickened and robust (short and stout for a geometrid) mottled with browns and grays; head flat, sloping inward; vertex cleft; each spot on head made of 10 to 20 speckles; thorax swollen and humped, darkened above; dorsal paired raised warts on second and eighth abdominal segments, and ventral warts on third; subventral fringe of thickened setae between abdominal and anal prolegs. [adapted Wagner and Giles]
Moth Photographers Group - large map with some distribution data.
Deciduous forests.
Most records of adults are February to October in the south; shortened season in the north. (1)
Larvae present from June to October; earlier in the south.
Larvae feed on leaves of a variety of deciduous trees: basswood, birch, cherry, elm, hawthorn, oak, poplar, willow.
Life Cycle
Two broods in south, one in north; overwinters as a pupa.
See Also
in the south-western range - Phaeoura cristifera

Pepper and Salt Geometer (Biston betularia) forewing lacks pale patches along costa
Melanistic individuals resemble a Zale species (family Erebidae)
Print References
Covell, p. 364, plate 54 #2 (2)
Wagner, p. 70 (3)
Internet References
description of adult and larva plus similar species, distribution, food plants (Strickland Entomological Museum, U. of Alberta)
Larry Line, Maryland adult images
Caterpillars of Eastern Forests live larva image plus description, seasonality, generations (David Wagner and Valerie Giles; USGS)
Insects of Cedar Creek, Minnesota flight season, habitat, food plants
Works Cited
1.North American Moth Photographers Group
2.Field Guide to Moths of Eastern North America
Charles V. Covell, Jr. 2005.
3.Caterpillars of Eastern Forests
David L. Wagner, Valerie Giles, Richard C. Reardon, Michael L. McManus. 1998. U.S. Dept of Agriculture, Forest Health Technology Enterprise Team.