Bug FAQMottled Glassy-wing
Hemihyalea splendens · Order: Lepidoptera · Family: Erebidae
The mottled glassy-wing has forewings 26 to 28 mm long. It lives from southeastern Arizona down into Mexico. Adults are active from late July through mid-November.
Source: Wikipedia
Size
Forewing length ranges from 26 to 28 mm.
Source: Wikipedia
Where it lives
It is found from southeastern Arizona to Mexico.
Source: Wikipedia
Life cycle
Adults are on the wing from late July to mid-November.
Source: Wikipedia
When you see it
The flight period spans late July through mid-November.
Source: Wikipedia
Where it comes from
Its range extends from southeastern Arizona into Mexico.
Source: Wikipedia
Where it is found in the US
Recorded in 4 of 51 states and DC. Most records: Arizona, New Mexico, Texas, Colorado.
Darker = more records. Counts are museum and citizen-science records, not population size.
Source: GBIF
Status: native in North America; native in United States. Source: iNaturalist
Months it is reported in the US
Source: GBIF
More photos
Questions people ask
When can I see adult mottled glassy-wing moths?
Adults are on the wing from late July to mid-November.
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 acreaDamages trees, gardens or cropsSources
- Wikipedia: https://en.wikipedia.org/wiki/Pseudohemihyalea_splendens
Look it up elsewhere: GBIF · iNaturalist · BugGuide · ITIS · Wikipedia
Text written 2026-10-28 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-28.