Bug FAQGymnoclytia occidua
Gymnoclytia occidua · Order: Diptera · Family: Tachinidae
Gymnoclytia occidua is found in North America. Its larvae have been recorded feeding on the butterflies Pieris protodice and Pieris rapae, as well as the stink bug Euschistus variolarius.
Source: Wikipedia
What it eats
Larvae have been found on Pieris protodice, Pieris rapae, and Euschistus variolarius.
Source: Wikipedia
Where it comes from
Gymnoclytia occidua occurs in North America.
Source: Wikipedia
Where it is found in the US
Recorded in 27 of 51 states and DC. Most records: California, Texas, Pennsylvania, New York, Ohio, Illinois, Oklahoma, Vermont.
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
Same family (Tachinidae)
Sources
- Wikipedia: https://en.wikipedia.org/wiki/Gymnoclytia_occidua
Look it up elsewhere: GBIF · iNaturalist · BugGuide · ITIS · Wikipedia
Text written 2026-10-29 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-29.