Related Clues:

• Cause of some unwanted expansion
• Not pro
• Stout
• Sugar bowl visitor
• Insect in one's pants?
• Pinguid
• Queen's subject, possibly
• ''A Bug's Life'' extra
• Carpenter ___
• Intrusive insect
• Picnic invader
• Wee colonist
• Hill climber, of sorts
• Colony soldier
• Word with white or worker