Related Clues:
- Tiny thing to slap
- Irksome insect
- Nuisance in a swarm
- Small biting flying insect
- No-see-um, for one
- Insect in a dusk swarm
- Bothersome biter
- Flying annoyance
- One in a pesky cloud
- Pest in some swarms
- Teensy pest
- Strained-at bug, in a saying
- Greeks initially beat back a bloodsucker
- Swarm member, maybe
- Sharp flavour rising in the garden has bite if one is bloody-minded?