Insecta - Hemiptera - Cydnidae

Full reference: S. H. Scudder. 1890. The Tertiary Insects of North America. Report of the United States Geological Survey of the Territories XIII:1-734

Parent taxon: Cydninae according to S. H. Scudder 1890

Sister taxa: Aethus, Amnestinae, Clavicorinae, Cydnavites, Cydnus, Cyrtomenus, Dallasiellus, Discostoma, Necrocydnus, Stenopelta, Thlibomenus

Subtaxa: Procydnus devictus, Procydnus divexus, Procydnus eatoni, Procydnus mamillanus, Procydnus pronus, Procydnus quietus, Procydnus reliquus, Procydnus vesperus

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Ecology: