1. Small black sawfly native to Europe but established in eastern United States; larvae mine the leaves of birches causing serious defoliation
   - birch leaf miner

Type of: sawfly

• rowdily
• rowdiness
• rowdy
• rowdyism
• rowel
• rowen
• rower
• rowing
• rowing boat
• rowing club
• Rowling
• rowlock
• rowlock arch
• Roy Chapman Andrews
• Roy Lichtenstein
• Roy Orbison
• Roy Wilkins
• royal
• Royal Academy
• Royal Academy of Arts
• royal agaric
• Royal Air Force
• royal blue
• royal brace
• Royal Canadian Mounted Police