Related Clues:

• 'The Naked Jungle' menace
• Minuscule pest
• Bloodsucking fly
• Some colonists or hill dwellers
• Hard workers
• Swarming insect
• Crumb carriers
• Estival pest
• Them, in 'Them!'
• Summertime pest
• Exterminator's targets
• Teeny fly
• Tiny flier
• Aardvark delicacies
• Black fly, for example