Related Clues:

• Starling, e.g.
• Slug, to a gardener
• Educational inst.
• Pain of a sort
• Auburn, e.g.: Abbr.
• Pain in the rear
• Mixed-up PETS?
• Knowledge base?: Abbr.
• K.S.U., L.S.U. or M.S.U.
• Orkin victim
• Kibitzer, e.g.
• Gnat, for one
• Kid brother, stereotypically
• U. or coll.
• Unwelcome greenhouse guest