Yellow Swarming Fly Thaumatomyia notata

tiny yellow fly
tiny yellow fly
The Yellow Swarming Fly is one of the fruit fly family native to most of Europe, some of North Africa and the Near East, Indo-Malaya and some of North America.
tiny yellow fly
tiny yellow fly
tiny yellow fly
Several of these tiny yellow flies, about 2-3mm long, appear on my outside window on a sunny day in October and November. They have bulbous, yellow abdomens.
tiny yellow fly
tiny yellow fly
tiny yellow fly
Some appear to be blowing bubbles.
tiny yellow fly topside stripes
tiny yellow fly topside stripes
tiny yellow fly topside stripes
The top side of the abdomen has black, wasplike stripes and the thorax has less clear longditudinal stripes.
tiny yellow fly mouthparts Mouthparts
tiny yellow fly compound eye Compound eye
tiny yellow fly
tiny black hammerhead fly This tiny black hammerhead fly was flying among the swarm one day, about the same size but obviously a very different species, possibly a minute sawfly.