robber fly

Từ điển WordNet v3.1 - WordNet Dictionary

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
• Syn:
bee killer
• Hypernyms:
dipterous insect, two-winged insects, dipteran, dipteron
• Member Holonyms:
Asilidae, family Asilidae