What’s Going On with this Hackberry Tree?

hackberry gall psyllid

The small pods on the leaves of this hackberry tree are caused by the hackberry gall psyllid (pronounced sill-ids). Another name is “hackberry nipple gall maker”. Psyllids, also known as plant lice, are tiny insects that feed on sap. Most will feed exclusively on a specific tree or plant. The adult hackberry gall psyllid lays eggs…

Read More