Bug FAQEdwards' Glassy-wing
Hemihyalea edwardsii · Order: Lepidoptera · Family: Erebidae
The forewings measure about 27 to 31 mm in length. Its range includes western Oregon, the Columbia Gorge in southern Washington, California, and extends east to western New Mexico.
Source: Wikipedia
Size
Forewing length is 27 to 31 mm.
Source: Wikipedia
Where it comes from
Native to the United States from western Oregon and southern Washington through California to western New Mexico.
Source: Wikipedia
Where it is found in the US
Recorded in 7 of 51 states and DC. Most records: California, Arizona, New Mexico, Oregon, Utah, Texas, Colorado.
Darker = more records. Counts are museum and citizen-science records, not population size.
Source: GBIF
Months it is reported in the US
Source: GBIF
More photos
Questions people ask
What is the geographic range of Edwards' Glassy-wing?
It is found from western Oregon and southern Washington through California to western New Mexico.
Source: Wikipedia
Same family (Erebidae)
Spongy MothLymantria disparDamages trees, gardens or crops
Fall Webworm MothHyphantria cuneaDamages trees, gardens or crops
Brown-tail MothEuproctis chrysorrhoeaCan irritate skin
Isabella Tiger MothPyrrharctia isabella
Virginian Tiger MothSpilosoma virginicaCan irritate skin
Salt Marsh MothEstigmene acreaSources
- Wikipedia: https://en.wikipedia.org/wiki/Pseudohemihyalea_edwardsii
Look it up elsewhere: GBIF · iNaturalist · BugGuide · ITIS · Wikipedia
Text written 2026-10-23 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-23.