Bug FAQEuchaetes antica
Euchaetes antica · Order: Lepidoptera · Family: Erebidae
Male Euchaetes antica have forewings about 13 to 15 mm long, while females are larger at 16 to 20 mm. They are found from the southwestern United States (Arizona and New Mexico) down through Mexico into Central America as far as Nicaragua, Honduras and Guatemala. The larvae feed on the milkweed species Asclepias subverticillata.
Source: Wikipedia
Size
Forewing length is 13 to 15 mm in males and 16 to 20 mm in females.
Source: Wikipedia
What it eats
Caterpillars eat the milkweed Asclepias subverticillata.
Source: Wikipedia
Where it comes from
In the United States it occurs in Arizona and New Mexico. Its range continues south through Mexico into Nicaragua, Honduras and Guatemala.
Source: Wikipedia
Where it is found in the US
Recorded in 2 of 51 states and DC. Most records: Arizona, New Mexico.
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 do the caterpillars eat?
The larvae feed on the milkweed species Asclepias subverticillata.
Source: Wikipedia
How big are the adults?
Males have forewings 13 to 15 mm long and females 16 to 20 mm.
Source: Wikipedia
Where is this moth found?
It lives from Arizona and New Mexico south through Mexico into Nicaragua, Honduras and Guatemala.
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/Euchaetes_antica
Look it up elsewhere: GBIF · iNaturalist · BugGuide · ITIS · Wikipedia
Text written 2026-10-26 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-26.