Bee killer Meaning, Definition & Usage

  1. noun swift predatory fly having a strong body like a bee with the proboscis hardened for sucking juices of other insects captured on the wing
    robber fly.

WordNet

Definitions
  1. (Zoöl.), a large two-winged fly of the family Asilidæ (esp. Trupanea apivora) which feeds upon the honeybee. See Robber fly.

Webster 1913