Tuthill L. D., 1939
Tuthill L. D., 1942
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| Aphalara cuyama Tuthill, 1939 previous combination of Craspedolepta cuyama (Tuthill, 1939) |
| Aphalaroida californica Tuthill, 1939 |
| Bactericera pulla (Tuthill, 1939) |
| Bactericera rubra (Tuthill, 1939) |
| Calophya oweni Tuthill, 1939 |
| Craspedolepta cuyama (Tuthill, 1939) synonym of Craspedolepta viridis (Crawford, 1914) |
| Freysuila phorodendrae (Tuthill, 1939) |
| Phylloplecta occidentalis (Tuthill, 1939) |
| Psylla phoradendri Tuthill, 1939 incorrect subsequent spelling of Psylla phorodendrae Tuthill, 1939 |
| Psylla phorodendrae Tuthill, 1939 previous combination of Freysuila phorodendrae (Tuthill, 1939) |
| Psylla phorodendrae Tuthill, 1939 previous combination of Cacopsylla phorodendri (Tuthill, 1939) |
| Trioza beameri Tuthill, 1939 |
| Trioza inversa Tuthill, 1939 |
| Trioza occidentalis Tuthill, 1939 previous combination of Phylloplecta occidentalis (Tuthill, 1939) |
| Trioza phoradendri Tuthill, 1939 incorrect subsequent spelling of Trioza phorodendrae Tuthill, 1939 |
| Trioza phorodendrae Tuthill, 1939 |
| Trioza pulla Tuthill, 1939 previous combination of Bactericera pulla (Tuthill, 1939) |
| Trioza rubra Tuthill, 1939 previous combination of Bactericera rubra (Tuthill, 1939) |
| Trioza stugma Tuthill, 1939 incorrect original spelling of Trioza stygma Tuthill, 1939 |
| Trioza stygma Tuthill, 1939 |
