Phanagenia is a genus of spider wasp in the tribe Ageniellini, a member of the family Pompilidae.

The genus has only one species in North America, Phanagenia bombycina.

[1] Wasps in the genus Phanagenia are small, thin, and wiry.

[1] Nests and nest provisions are similar to those of other Ageniellini, such as Auplopus, Ageniella, and Eragenia.

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