Synonyms and other taxonomic changes
86 spp. in our area (of which ~30 reach Canada)(1)
, 29 in e. US(2)
, almost 900 worldwide(3)
Abdominal segments are constricted at the margins.
The faces of females are modified with unusual projections on the clypeus
and clypeal margin.
Females excavate cavities in soil as nests.
Most Cerceris species prey on adult beetles, but some also prey on bees and wasps. At least one species, C. halone, preys exclusively on acorn weevils (Curculio nasicus).