Bryothinusa Casey, 1904 (original description)
Egapista Cockerell, 1904 (original description)
Ephutopsis Ashmead, 1904 (original description)
Eunonia Casey, 1904 accepted as Syntomium Curtis, 1828 (original description)
Euvacusus Casey, 1904 (original description)
Gabriola Taylor, 1904 (original description)
Kearfottia Fernald, 1904 (original description)
Leptoremus Casey, 1904 (original description)
Liobaulius Casey, 1904 accepted as Acanthinus de La Ferté-Sénectère in Guérin-Méneville, 1849 (original description)
Philodromoides Scheffer, 1904 accepted as Philodromus Walckenaer, 1824 (original description)
Pycnomutilla Ashmead, 1904 (original description)
Reedia Ashmead, 1904 (original description)
Serapista Cockerell, 1904 (original description)
Thyreosphex Ashmead, 1904 (original description)