Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada

Species Phlogophora periculosa - Brown Angle Shades - Hodges#9547

Caterpillar - Phlogophora periculosa Caterpillar - Phlogophora periculosa Caterpillar ID - Phlogophora periculosa Caterpillar ID Request - Phlogophora periculosa Unknown caterpillar - Phlogophora periculosa Cutworm with white dorsal line - Phlogophora periculosa Brown Angle Shades - Phlogophora periculosa Brown Angle Shades - Phlogophora periculosa
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Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Lepidoptera (Butterflies and Moths)
Superfamily Noctuoidea (Owlet Moths and kin)
Family Noctuidae (Owlet Moths)
Subfamily Noctuinae (Cutworm or Dart Moths)
Tribe Phlogophorini
Genus Phlogophora
Species periculosa (Brown Angle Shades - Hodges#9547)
Hodges Number
wingspan 42-50 mm
Adult: forewing brown, sometimes shaded with green; large dark brown V-shaped patch in median area, with a small sharp tooth projecting from the costa toward the median patch; PM line thin, black, with small teeth in lower half, and sharp-angled bend in upper half near costa; subterminal line thick, dark brown, terminates at pale apical patch; outer margin scalloped; hindwing brown with darker lines and veins, and pale yellowish strip along costa
coast to coast in northern United States and southern Canada, south in the east to Georgia and Mississippi, south in the west to California (absent from Florida and the southcentral states)
adults fly from late July to October
larvae feed on leaves of alder, Balsam Fir, cranberry, plum, and other woody plants
See Also
Sharp Angle Shades (Conservula anodonta) is smaller (wingspan about 30 mm), its forewing lacks a scalloped outer margin, and has a blunt-tipped projection extending from costa toward median patch; it is restricted to the northeast, and its flight season is finished by the end of July.

Olive Angle Shades (Phlogophora iris) has a similar pattern, but the large v-shaped patch in the median area tends to have a distinctive olive-green tone, as do other markings on that species.
Print References
Covell, p. 129 & plate 25 #10 (1)
Internet References
live adult images by various photographers, plus common name reference (Moth Photographers Group)
presence in Georgia photo in Auburn, Georgia (Troy Bartlett, Georgia)
presence in California; list (U. of California at Berkeley)
distribution in Canada list of provinces (U. of Alberta, using CBIF data)
Works Cited
1.Peterson Field Guides: Eastern Moths
Charles V. Covell. 1984. Houghton Mifflin Company.