Jumping Gall Wasps (Neuroterus saltatorius) produce tiny galls that “jump” on the ground as larvae move inside. This behavior, observed in warm, dry weather, may help the galls burrow into leaf litter for protection.

#gallwasps #cynipids #oaks #nature #wildlife #california

Their results show that the gall wasps (#Cynipidae) are the most diverse group of galling-inducing agents in #oaks. Indeed, about 82% (roughly 1300 species) of #cynipids use oaks for their home! #gallwasps Pic by Judy Gallagher.