Coelioxys germanus

Cresson, 1878

Coelioxys germanus is a of cuckoo leafcutting bee in the Megachilidae. Like other members of the Coelioxys, it is a kleptoparasite that exploits the nests of bees rather than constructing its own. The species was described by Cresson in 1878 and is known from North America.

Pronunciation

How to pronounce Coelioxys germanus: /siːliˈɒksɪs dʒɜːˈmeɪnəs/

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Identification

Members of the Coelioxys can be distinguished from their leafcutter bees (Megachile) by their pointed, tapering with a sharp terminal spine—a trait reflected in the 'sharp-tailed bees.' Females of C. germanus specifically target Megachile nests, laying between the leaf partitions that host females construct.

Distribution

North America.

Host Associations

  • Megachile - kleptoparasiteFemales deposit in nests; larvae kill the host egg or larva and consume the pollen provisions provided by the host female

Behavior

Females are known to hide their between the leaves in Megachile nests. Their larvae are obligate killers of the egg or larva, completing development on the pollen and nectar provisions collected by the host female.

Ecological Role

As a kleptoparasite, this functions as a regulator of its leafcutter bees. It contributes to dynamics and represents a natural source of mortality within solitary bee nesting .

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