Buzz fly

The insects known as buzz flies are named as such both because they buzz and also because they're equipped with buzzsaws. Pack repellent.

Fiction

Wings Universe

Impressed with Over-Run's copter drone, Landshark asked if he could borrow it, as he'd heard nasty things about the insect life in Centry Quadrant. The Coming Storm: Part 2

Beast Wars: Uprising

While stationed at the Melpomene Bridge, Stiletto noticed a spiderbot's web filled with the desiccated remains of several buzz flies. Burning Bridges