I've never seen a fruit on this tree before. I did a quick glance but couldn't find any others, nor any flowers. I'm not sure if I just never noticed it before or if it's not actually a fruit.
The observation is specifically for the fruit in case it's actually a gall. The rest of the tree is in there for context
On Desert Marigold. Seemed to be laying eggs. Note: staying still while a fast wind was blowing the plant around.
l-tridentata-clasping-leaf-gall; no organism seen in what looks like a fresh gall. Dissected a few; no galling organism found.