A: Although hawthorn trees can contract some diseases, like rust fungi, what you’re describing is feeding damage from an insect. This is the classic symptom for hawthorn leafminer, a type of sawfly.

Updated at 1:05 p.m. on June 4, 2024 The last time Ron Lance had visited Doggett Gap in western North Carolina, he photographed one of the premier sites for hawthorn trees in the American ...

Mystery trees could be a variety of hawthorn. By Tracey Fitzgibbon / For the Journal; Nov 4, 2023 Nov 4, 2023 Updated Jun 18, 2025; ... Do you know what type of trees these might be?