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

• semiabstract
• semiannual
• semiannually
• semiaquatic
• semiarid
• semiautobiographical
• semiautomatic
• semiautomatic firearm
• semiautomatic pistol
• semibreve
• semicentenary
• semicentennial
• semicircle
• semicircular
• semicircular arch
• semicircular canal
• semicolon
• semicoma
• semicomatose
• semiconducting
• semiconducting material
• semiconductive
• semiconductor
• semiconductor device
• semiconductor diode