Robber fly

These insects are large and mean looking.

Robber flies are predators, patrolling plants and fields for bugs to eat, including grasshoppers, leaf hoppers, beetles, flies, and other garden pests.

Some even look like bees.

More about robber flies:

• Texas A&M AgriLife Extension | Robber Flies
• Nature Writers of Texas | "Robber Flies are Deadly Predators"