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Species Ethmia arctostaphylella - Hodges#0979

Twirler Moth - Ethmia arctostaphylella Epinotia cercocarpana ? - Ethmia arctostaphylella Ethmia arctostaphylella ? - Ethmia arctostaphylella Ethmia - Ethmia arctostaphylella Ethmia - Ethmia arctostaphylella Twirler Moth - Ethmia arctostaphylella Twirler Moth - Ethmia arctostaphylella Arizona Moth - Ethmia arctostaphylella
Show images of: caterpillars · adults · both
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Lepidoptera (Butterflies and Moths)
Superfamily Gelechioidea (Twirler Moths and kin)
Family Depressariidae
Subfamily Ethmiinae
Genus Ethmia
No Taxon (semilugens group)
Species arctostaphylella (Ethmia arctostaphylella - Hodges#0979)
Hodges Number
Synonyms and other taxonomic changes
original combination Psecadia arctostaphylella Walsingham, 1880 (1)
forewing length 8.5 - 14 mm (2)
southern Oregon to northern Baja California and northern Arizona (2)
occurs almost everywhere that mountain balm or yerba santa, Eriodictyon (Hydrophyllaceae), flourishes, most often in disturbed sites such as along rural roadsides (2)
adults fly February to October, multivoltine (1)
mountain balm or yerba santa, Eriodictyon californicum, Eriodictyon crassifolium (2)
Life Cycle
at maturity larvae pupate on the host leaves or wander (1)
Adults rest by day along the midrib of the Eriodictyon leaf, resembling a bird dropping (2)
See Also
Ethmia discostrigella
Ethmia semitenebrella
Internet References
Moth Photographers Group - image of pinned specimen
Works Cited
1.A systematic monograph of New World ethmiid moths (Lepidoptera: Gelechioidea).
Jerry A. Powell. 1973. Smithsonian Contributions to Zoology 120: 1-312.
2.Moths of Western North America
Powell and Opler. 2009. UC Press.