I have received several inquiries from readers about the many roadside trees turning brown this summer. The question is usually, “What is killing all of those trees?” The trees in question are likely ...

The black locust trees are displaying their yearly brown color as a result of locust leaf miner (Odontota dorsalis) feeding activity. The young grub like larvae eats a hole into the leaf, then mines ...

The coming of autumn often makes trees harder to identify — but sometimes, it does the opposite. The black locust (Robinia pseudoacacia) is a case in point. In summer, its bluish-green, oval-shaped, ...