Bug FAQYellow-collared Slug Moth
Apoda y-inversa · Order: Lepidoptera · Family: Limacodidae
Also called: Inverted Y Slug Moth
Source: Wikipedia
The yellow-collared slug moth is also called Apoda y-inversum or the inverted Y slug moth. Its wingspan ranges from about 21 to 30 mm. Adults are on the wing from May through August.
Source: Wikipedia
Size
The moth’s wingspan measures roughly 21 to 30 mm.
Source: Wikipedia
Where it lives
It lives across North America from eastern Canada down to Florida and west to Oklahoma and Mississippi.
Source: Wikipedia
Life cycle
Adults are active from May to August.
Source: Wikipedia
When you see it
You’ll see the moths flying between May and August.
Source: Wikipedia
Where it is found in the US
Recorded in 37 of 51 states and DC. Most records: Texas, Alabama, Michigan, Ohio, Oklahoma, Virginia, Tennessee, North Carolina.
Darker = more records. Counts are museum and citizen-science records, not population size.
Source: GBIF
Status: native in North America; native in Canada; native in United States. Source: iNaturalist
Months it is reported in the US
Source: GBIF
More photos
Questions people ask
When are adult yellow-collared slug moths active?
Adults are on the wing from May through August.
Source: Wikipedia
Same family (Limacodidae)
Saddleback Caterpillar MothAcharia stimuleaCan sting
Spiny Oak-slug MothEuclea delphiniiVenomous
Yellow-shouldered Slug MothLithacodes fasciolaDamages trees, gardens or crops
Skiff MothProlimacodes badiaDamages trees, gardens or crops
Crowned Slug MothIsa textulaDamages trees, gardens or crops
Early Button Slug MothTortricidia testaceaSources
- Wikipedia: https://en.wikipedia.org/wiki/Apoda_y-inversum
Look it up elsewhere: GBIF · iNaturalist · BugGuide · Wikipedia
Text written 2026-10-23 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-23.