| Pepsis novitia Banks, 1921 |
| Pepsis pallidolimbata Lucas, 1894 |
| Pepsis pattoni Banks, 1941 |
| Pepsis pseudoformosa Cockerell, 1898 |
| Pepsis sayi Banks, 1926 |
| Pepsis sherillae Hurd, 1948 |
| Pepsis thisbe Lucas, 1894 |
| Pilpomus Costa, 1859 |
| Planicepinae Ashmead, 1900 |
| Planiceps Latreille, 1825 |
| Planiceps assimilis Banks, 1917 |
| Planiceps bequaerti Banks, 1931 |
| Planiceps concolor Smith, 1860 |
| Planiceps hesperus Banks, 1929 |
| Planiceps hirsutus Banks, 1917 |
| Planiceps luxus Banks, 1914 |
| Planiceps notabilis Smith, 1860 |
| Planiceps planatus Fox, 1892 |
| Planiceps pulchella Banks, 1910 |
| Planiceps yavapai Banks, 1933 |