adverb, noun or participle which takes 'suru'
in swarms; crawling with
Describes a large number of small creatures (insects, fish, etc.) moving or gathering in a wriggling, teeming manner. Often used with いる or する.
池にボウフラがうようよしている。
The pond is swarming with mosquito larvae.
腐った肉に
Maggots were crawling all over the rotten meat.