Bites

Melee Weapon Attack: +5 to hit 0' 1 tgt in the swarm's space. 5 (2d4) piercing damage or 2 (1d4) piercing damage if the swarm has half its hp or fewer. The target must make DC 11 Con save or become blinded for 1 min. The target can re-save at end of each of its turns success ends effect on itself. Alternatively target can use action to clear its eyes of the insects ending effect.