Sesiidae Boisduval, 1828
Penstemonia brevifolia Engelhardt, 1946
Penstemonia clarkei Engelhardt, 1946
Penstemonia dammersi Engelhardt, 1946
Penstemonia edwardsii Beutenmüller, 1894
Penstemonia hennei Engelhardt, 1946
Penstemonia utahensis Beutenmüller, 1909
