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Species Dysstroma ochrofuscaria - Hodges#7186

Dysstroma ochrofuscaria 625 Dysstroma ochrofuscaria 7186 - Dysstroma ochrofuscaria - female Dysstroma ochrofuscaria Dysstroma ochrofuscaria Dysstroma ochrofuscaria Dysstroma ochrofuscaria
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 Hydriomenini
Genus Dysstroma
Species ochrofuscaria (Dysstroma ochrofuscaria - Hodges#7186)
Hodges Number
wingspan 29-36 mm, based on two Internet photos
Adult: forewing color and pattern variable but the image shown at CBIF (presumably representing a typical specimen) is virtually identical to the photo by John Davis
in typical specimens, forewing basal area, AM band, and PM band dark gray; medial area pale gray or whitish; basal band and subterminal area yellowish-orange; color in subterminal area extends along costa to apex, and extends to outer margin at anal angle; in some specimens, the yellowish-orange color may diffuse into the basal and medial areas - in other words, covering much of the wing (see example photo by Jim Vargo at MPG)
hindwing whitish basally, shading to pale brown near outer margin
British Columbia to Californina, east to Utah
wet coniferous forests
adults fly in summer
larvae have been recorded feeding on leaves of Beaked Hazelnut (Corylus cornuta)
See Also
very similar to some specimens of Dysstroma sobria and D. truncata, both of which may have yellowish-orange shading in basal and subterminal areas of forewing, as in ochrofuscaria (compare images of all three species at CBIF, and of sobria and ochrofuscaria at MPG)
[note that the specimen correctly labeled D. walkerata on this MPG plate is mislabeled D. ochrofuscaria on this MPG plate]
Internet References
pinned adult image plus photos of related species by Jim Vargo (Moth Photographers Group)
pinned adult image plus description, habitat, flight season, foodplant (Jeff Miller, Macromoths of Northwest Forests and Woodlands, USGS)
presence in California; list (U. of California at Berkeley)
presence in Utah; list (Joel Johnson, Utah Lepidopterists' Society)
distribution in Canada British Columbia only (CBIF)