Publication
Heslop-Harrison G. 1951 - Notes on Scandinavian Psyllidae. - Part I. Annals and Magazine of Natural History 12(4): 657-672.
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Psylla betulaenanae Heslop-Harrison, 1951 nomen nudum of Psylla betulaenanae Ossiannilsson, 1970 |
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Psylla betulaenanae Heslop-Harrison, 1951 nomen nudum of Psylla betulaenanae Ossiannilsson, 1970 |
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