Publication
Caldwell J. S. 1939 - New psyllids from Alberta (psyllidae, Homoptera). Canadian Entomologist 71: 211-212.
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Cacopsylla stricklandi (Caldwell, 1939) | |||
Cacopsylla tuthilli (Caldwell, 1939) | |||
Phylloplecta multidubiata (Caldwell, 1939) synonym of Trioza minuta Crawford, 1910 | |||
Phylloplecta multidubiata breviradia Caldwell, 1939 synonym of Trioza shepherdiae Tuthill, 1938 | |||
Psylla stricklandi (Caldwell, 1939) previous combination of Cacopsylla stricklandi (Caldwell, 1939) | |||
Psylla tuthilli (Caldwell, 1939) previous combination of Cacopsylla tuthilli (Caldwell, 1939) |
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Phylloplecta salicis (Mally, 1894) nomen praeoccupatum replaced by Phylloplecta multidubiata (Caldwell, 1939) |
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Psyllia stricklandi Caldwell, 1939 wrong spelling of Psylla stricklandi (Caldwell, 1939) | |||
Psyllia virida Caldwell, 1939 wrong spelling of Cacopsylla tuthilli (Caldwell, 1939) |