Dense insect group (5)
I believe the answer is:
swarm
(Other definitions for swarm that I've seen before include "Large number" , "Large cloud (of insects)" , "New colonists" , "Hive" , "Large crowd" .)
I believe the answer is:
swarm
(Other definitions for swarm that I've seen before include "Large number" , "Large cloud (of insects)" , "New colonists" , "Hive" , "Large crowd" .)