| Pityophthorus indefessus Bright, 1986 |
| Pityophthorus indigens Wood, 1976 |
| Pityophthorus ineditus Bright, 1976 |
| Pityophthorus infulatus Blackman, 1928 |
| Pityophthorus ingens Blackman, 1928 |
| Pityophthorus inhabilis Bright, 1986 |
| Pityophthorus insuetus Bright, 1985 |
| Pityophthorus intentus Bright, 1978 |
| Pityophthorus juglandis Blackman, 1928 |
| Pityophthorus laticeps Bright, 1978 |
| Pityophthorus lautes Eichhoff, 1872 |
| Pityophthorus lecontei Bright, 1977 |
| Pityophthorus leiophyllae Blackman, 1942 |
| Pityophthorus lepidus Bright, 1977 |
| Pityophthorus liquidambarus Blackman, 1921 |
| Pityophthorus litos Bright, 1976 |
| Pityophthorus megas Bright, 1976 |
| Pityophthorus melanurus Wood, 1976 |
| Pityophthorus mexicanus Blackman, 1928 |
| Pityophthorus micans Bright, 1981 |