Bug FAQPhysocephala sagittaria
Physocephala sagittaria · Order: Diptera · Family: Conopidae
Physocephala sagittaria is a thick-headed fly that belongs to the family Conopidae. Its larvae grow and later pupate inside the bodies of Bombus auricomus bees.
Source: Wikipedia
Where it lives
The larvae develop within Bombus auricomus bees.
Source: Wikipedia
Life cycle
Larvae develop and later pupate inside Bombus auricomus bees.
Source: Wikipedia
Where it is found in the US
Recorded in 28 of 51 states and DC. Most records: Florida, Virginia, North Carolina, Maryland, Texas, Georgia, Tennessee, 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 insects do the larvae of Physocephala sagittaria use as hosts?
The larvae develop and pupate inside Bombus auricomus bees.
Source: Wikipedia
Same family (Conopidae)
Sources
- Wikipedia: https://en.wikipedia.org/wiki/Physocephala_sagittaria
Look it up elsewhere: GBIF · iNaturalist · BugGuide · ITIS · Wikipedia
Text written 2026-10-24 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-24.