Q: What is wrong with my oak tree?
July 13, 2017
A: Thank you for bringing samples of your oak tree into the plant clinic. These small structures on the stem are called bullet galls. These growths are caused by a very tiny female wasp, Disholcaspis quercusvirens, placing an egg into the stem. ... READ MORE
Category: Home Landscapes, Pests & DiseaseTags: Bullet Galls, Disholcaspis Quercusvirens, Oak Tree