
Community identification
Robber Fly
Family Asilidae
- Order & Family
- Order: Diptera, Family: Asilidae
- Size
- 10 mm to 50 mm (0.4 to 2 inches) depending on the specific species.
Natural Habitat
Open, sunny areas, fields, woodlands, and gardens where they can perch and spot prey.
Diet & Feeding
Carnivorous; they feed on other flying insects, including bees, wasps, grasshoppers, and beetles, capturing them mid-air using their strong legs and piercing mouthparts.
Behavior Patterns
They are active daytime hunters with excellent eyesight, often waiting on a perch (like a window screen, fence, or leaf) before launching a rapid aerial ambush on passing prey.
Risks & Benefits
Generally beneficial as they help control populations of pest insects. They are harmless to humans, though they can deliver a defensive bite if handled carelessly.