Cercerini
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Agrilus obsoletoguttatus
Beech Borer
Agrilus obsoletoguttatus is a small metallic wood-boring beetle in the family Buprestidae, native to North America. It is among the smallest jewel beetle species utilized as prey by the specialist predatory wasp Cerceris fumipennis, which provisions its underground nests with paralyzed buprestid beetles. The species has been documented in nest caches containing up to 13 individuals, reflecting its small size relative to larger buprestid prey.
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arenaria
Eucerceris arenaria is a species of solitary wasp in the family Crabronidae (formerly placed in Philanthidae). Described by Scullen in 1948, it is found in North America. Like other members of the genus Eucerceris, this species is likely a predator of beetles, though specific biological details remain poorly documented. The species epithet "arenaria" suggests an association with sandy habitats.
Eucerceris bitruncata
Eucerceris bitruncata is a species of weevil wasp in the family Crabronidae, described by Scullen in 1939. The genus Eucerceris is part of the tribe Cercerini, commonly known as weevil wasps for their specialized predation on weevils (Curculionidae). This species occurs in North America. Very few observations exist in public databases, with only two records documented on iNaturalist.
Eucerceris canaliculata
Eucerceris canaliculata is a species of solitary wasp in the family Crabronidae (formerly placed in Philanthidae). It belongs to the tribe Cercerini, commonly known as weevil wasps, which specialize in hunting weevils and other beetles to provision their nests. The species is found in North America and is one of multiple Eucerceris species recorded from the region.
Eucerceris cressoni
Eucerceris cressoni is a species of weevil wasp in the family Crabronidae. It belongs to a genus closely related to Cerceris, with which it shares the common name 'weevil wasp' due to its predation on weevils. The species has been documented in North America, with records from Canada including Alberta. The genus Eucerceris was the subject of taxonomic work by entomologist George R. Ferguson, who continued research initiated by Herm Scullen.
Eucerceris provancheri
Eucerceris provancheri is a species of solitary wasp in the tribe Cercerini (Philanthinae, Crabronidae). Like other members of the genus Eucerceris, it is a weevil wasp that hunts weevils (Curculionidae) to provision nests for its larvae. The species occurs in Central America and North America.
Eucerceris rubripes
Eucerceris rubripes is a species of weevil wasp in the family Crabronidae, tribe Cercerini. The genus Eucerceris was subject to extensive taxonomic revision by George R. Ferguson, who specialized in Cerceris and related genera. Like other cercerine wasps, females provision nests with weevils (Curculionidae) as food for their larvae. The species has been recorded visiting flowering saltcedar (Tamarix) for nectar in Colorado.
Eucerceris superba
Eucerceris superba is a species of solitary wasp in the family Crabronidae (formerly placed in Philanthidae). It is native to North America, with records from Canada and the United States. The genus Eucerceris was revised by entomologist George R. Ferguson, who specialized in the taxonomy of these wasps.
Eucerceris tricolor
Eucerceris tricolor is a species of solitary wasp in the family Crabronidae, first described by Cockerell in 1897. It belongs to the tribe Cercerini, a group commonly known as beewolves or weevil wasps due to their specialized hunting behavior. The species is distributed across North America and Middle America. Like other members of its genus, it is presumed to be a predator of weevils and other beetles, though specific ecological details for this species remain limited in published literature.
Eucerceris vittatifrons
Eucerceris vittatifrons is a species of weevil wasp in the family Crabronidae. The genus Eucerceris is closely related to Cerceris, both being specialist predators of weevils. The species has been documented in western North America, with records from British Columbia, Canada. Like other members of its tribe, it likely provisions nests with paralyzed weevils for larval development.