Tim Graves

@ibirdsometimes.bsky.social

Bronx birder and nature photographer. Interested in baseball, native plant gardening, and housing and transportation policy. I was saying boo-urns.

I found a Hackberry Petiole Gall on my hackberry tree! This means a tiny insect called a psyllid has injected enzymes into the tree through its saliva causing this growth to occur that the psyllid lays its eggs in. There are a few different species of gall psyllids that use the leaves of this tree.

A weird, green growth on a hackberry tree stem caused by a tiny insect called a psyllid.