Ocelli-position
Guides
Oxaeinae
Oxaeinae is a subfamily of large, fast-flying bees within the family Andrenidae. They are endemic to the Americas, with 19 described species across four genera ranging from the United States to Argentina. Formerly treated as a distinct family (Oxaeidae), they were reclassified as a subfamily in 1995.
Psorthaspis planata
Psorthaspis planata is a spider-hunting wasp in the family Pompilidae, native to western North America with highest observation frequency in California and Baja California. The species specializes in hunting trapdoor spiders, with the California trapdoor spider documented as prey. Sexual dimorphism in eye and ocellar structure has been described, with females showing eyes positioned remote from the head vertex and low ocelli placement.