Avondale, Maricopa County, Arizona, USA May 4, 2022 Size: ~3.5 mm
On a Coreopsis lanceolata flower at 6:15 p.m. ID to genus on iNaturalist by Solomon Hendrix here: https://www.inaturalist.org/observations/115613207. Pretty sure this one fits into subgenus, Cloanthanus.