Bug FAQPoison Ivy Sawfly
Arge humeralis · Order: Hymenoptera · Family: Argidae
The poison ivy sawfly belongs to the sawfly family Argidae. Its larvae feed on poison ivy (Toxicodendron radicans).
Source: Wikipedia
What it eats
The larvae eat poison ivy (Toxicodendron radicans).
Source: Wikipedia
Where it comes from
It is a species of argid sawfly.
Source: Wikipedia
Where it is found in the US
Recorded in 36 of 51 states and DC. Most records: Ohio, Illinois, Massachusetts, Tennessee, Texas, Pennsylvania, Florida, New York.
Darker = more records. Counts are museum and citizen-science records, not population size.
Source: GBIF
Status: native in North America; native in Canada. Source: iNaturalist
Months it is reported in the US
Source: GBIF
More photos
Questions people ask
What do the larvae of the poison ivy sawfly eat?
The larvae feed on poison ivy (Toxicodendron radicans).
Source: Wikipedia
Same family (Argidae)
Sources
- Wikipedia: https://en.wikipedia.org/wiki/Arge_humeralis
Look it up elsewhere: GBIF · iNaturalist · BugGuide · ITIS · Wikipedia
Text written 2026-10-25 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-25.