California Jumping Wasp Galls

Description:

.75 mm tiny bird seeds jumping furiously today in 100 degree heat. California Jumping Wasp Galls.

Habitat:

Suburban patio under giant oak tree in my back yard at the edge of a green belt.

Notes:

Looked on patio & saw vigorous activity that I thought was fleas, but closer examination showed millions of tiny seeds jumping & rolling around. Just like "jumping beans", but tiny,