~1.5 mm body. Was preening for quite awhile on an aphid-infested young Erigeron canadensis plant. Hyperparasitoids of Braconidae (Aphidiinae) and Aphelinidae (Aphelininae).
On Rosa gymnocarpa. New one for me @mileszhang
Gall modified by Periclistus (inquiline observation: https://www.inaturalist.org/observations/208575887)