Yellow Swarming Fly
- Small approximately 1/8" in length (similar to a fruit fly)
- Adults are bright yellow with black longitudinal stripes on thorax and black transverse stripes on abdomen
- Often found hibernating in attics with cluster flies.
- Little is known about these flies, however theie larvae feed upon aphids associated with grass roots
- Often found in large numbers in roof voids in Autumn where they over–winter.