Related Clues:

• Arachnophobe's worry
• Minimal bit
• Muffet's interloper
• Very small quantity
• Web user
• Brown recluse, for one
• Greek 'I'
• Greek "i"
• Ninth in a series
• Kappa's preceder
• Peter Parker's biter
• Inconsequential amount
• It's next to nothing
• Minute particle
• Grain