Bee Killer Robber Fly vs Bristly Tachinid Fly

Side-by-side species comparison

Attribute Bee Killer Robber Fly Bristly Tachinid Fly
Scientific Name Mallophora bomboides Nowickia ferox
Order Diptera Diptera
Family Asilidae Tachinidae
Size 20-28 mm 12-16 mm
Habitat Farmland Underground
Diet Herbivores Nectar Feeders
Regions Eastern United States from New England to Florida Europe, Asia
Conservation Least Concern Least Concern

Bee Killer Robber Fly

A large fuzzy robber fly that closely resembles a bumble bee in both appearance and buzzing flight. It perches on vegetation and launches aerial attacks on passing insects.

💡

Did You Know?

Its bumble bee mimicry is so convincing that it can sit among real bees at flowers without being recognized as a predator.

Bristly Tachinid Fly

A large, heavily bristled tachinid fly with a gray-checkered pattern on the abdomen. It is conspicuously spiny and frequently visits flowers in late summer.

💡

Did You Know?

Its exceptionally long and stiff bristles are thought to help prevent birds from swallowing it.