For observation of honeybee, see: https://www.inaturalist.org/observations/199470467.
For observation of cluster fly, see: https://www.inaturalist.org/observations/199470465.
Barely 1 mm. I shook it out of a small, lichen-covered twig laying on the ground. I was looking for tiny arthropods to view under my stereoscope. Viewed at 20x then cropped.
Not a great picture, but a spider was doing something to this dead insect.
Candy-striped Spider Complex Complex Enoplognatha ovata dining on a seed bug at the Buzzard Swamp in the Allegheny National Forest near Marienville, PA