Philanthidae is one of the largest families of wasp in the superfamily Apoidea, with 1167 species in 8 genera, most of which are ''
Cerceris
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''Cerceris'' is a genus of wasps in the family Crabronidae. It is the largest genus in the family, with over 1030 described species and subspecies.Apoidea has elevated the group back to family status.
Behavior
The family consists of solitary, predatory wasps, each genus having its own distinct and consistent prey preferences. The adult females dig tunnels in the ground for nesting.
As with all other apoid wasps, the larvae are carnivorous; females hunt for prey on which to lays their eggs, mass provisioning the nest cells with paralyzed, living prey that the larva feeds upon after it hatches from the egg, as seen in the species '' Philanthus gibbosus''.