Related Clues:

• Tick, for one
• Smidge
• Genetic research aid, often
• Black fly
• Slight amount
• Tiny creature
• Swatter's target
• Itty-bitty bit
• Biting midge
• Pittance
• Black ___ (fishing fly)
• Summer pest
• Minimal amount
• No-see-um, e.g.
• Annoying sort