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

• undying
• undynamic
• uneager
• unearned
• unearned income
• unearned increment
• unearned revenue
• unearned run
• unearth
• unearthly
• unease
• uneasily
• uneasiness
• uneasy
• uneatable
• uneaten
• uneconomic
• uneconomical
• unedifying
• unedited
• uneducated
• uneducated person
• uneffective
• unelaborate
• unelaborated