Yellow-shouldered Drone Fly
Eristalis stipator

Eristalis stipator, the yellow-shouldered drone fly, is a species of hoverfly native to North America. It is abundant in western North America, with a few scattered records in the east. It flies from mid-May to early November, and is known to hilltop. Source
Where is the Yellow-shouldered Drone Fly now?
In the last 8 weeks this insect was recorded 43 times across 3 areas (each area is a 5 degree square).
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Related species
- Tapered Drone Fly Eristalis pertinax
- Drone Fly Eristalis tenax
- Hover Fly Eristalis arbustorum
- Orange-spined Drone Fly Eristalis nemorum
- Furry Dronefly Eristalis intricaria
Figures are effort corrected and come from automatic sound identification, which makes mistakes. How this is measured and how it compares with human observers.