Possible Clues:

• Hummingbird's treat
• Liquid collected by bees
• Fluid collected by bees
• 'How sweet for the black under your neck, perhaps (6)'
• Delicious beverage sailor found at northern city
• Sugary stuff in plants to attract insects
• Honey ingredient
• Bee attraction
• Flower flow
• Trap catches Charlie and artist returning with what the workers collected