From OSE SRD
5th Level Cleric Spell
Duration: Concentration (up to 1 day)
Cast above ground, this spell conjures a 60’ diameter swarm of flying insects with the following properties:
- Movement: 20’ per round. While the swarm is within range, the caster is able to direct its movements.
- Vision: Within the area of the swarm is obscured.
- Creatures of 2 HD or less: Are driven away, if caught within the swarm.
- Concentration: If the caster moves or loses concentration, the swarm dissipates, ending the spell.
- Restrictions: The spell has no effect if cast underground.