Weevil-hunter
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Cerceris sextoides
weevil wasp
Cerceris sextoides is a solitary hunting wasp in the family Crabronidae that specializes in capturing weevils and other beetles to provision its underground nests. The species is common in Pacific coast states from British Columbia to southern California, ranging inland through Idaho, northwest Utah, and northern Nevada. Males emerge before females and establish territories, often perching on vegetation to watch for competitors. Females paralyze prey with their sting and transport it back to burrows excavated in sandy clay or gravelly clay soil.
Eucerceris
weevil wasps
Eucerceris is a genus of solitary wasps in the family Crabronidae, containing over 40 described species. These wasps are commonly known as 'weevil wasps' due to their specialized predatory relationship with weevils (Curculionidae). The genus has been subject of taxonomic study by specialists including George R. Ferguson, who completed work on the group begun by Herm Scullen. Species are found in North America and are active during warm months when their prey is available.