This small wasp was on a plant.
On: https://www.inaturalist.org/observations/215661498
Edit: Nearby Oaks are Coast Live Oaks, and further away some Holm Oaks.
Photos 4 and 11 were brightened.
This gall is on a Fiddleneck along the Barham Ridge Trail.
Host plant: https://www.inaturalist.org/observations/215657642
Photos 1 and 3 were darkened.
Last 2 photos show the same plant with normal flower and seed heads. Plant, Silphium gracile, posted separately. Town of Washington, my yard.
Hidden in a lettuce growing in a wet area. Near the top. Collected
Wasp emerged sometime before 2 April 2024 from acorn plum galls collected 12 September 2022. https://www.inaturalist.org/observations/149459682
S. laciniatum - cryptic petiole galls. Reared from https://www.inaturalist.org/observations/204952580
S. laciniatum - cryptic petiole galls. Reared from https://www.inaturalist.org/observations/157082854
Gall on Fumaria c.f muralis. Inside I only found what seems to be a puparium. Thought it was empty until I observed this failed pupa shortly after.
Hidden cell in a lettuce sp. Cut apart 15 stems to find these two galls. Host was a giant example with galls as well