Dense group of flying insects (5)
I believe the answer is:
swarm
(Other definitions for swarm that I've seen before include "Plague of insects" , "Climb; cluster of bees" , "Flight of bees" , "Large crowd" , "Large cloud (of insects)" .)
I believe the answer is:
swarm
(Other definitions for swarm that I've seen before include "Plague of insects" , "Climb; cluster of bees" , "Flight of bees" , "Large crowd" , "Large cloud (of insects)" .)