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单词 psylla
释义 psylla Ent.|ˈsɪlə|
Also Psylla.
[mod.L. (E. F. Germar Systematis Glossatorum Prodromus (1811) 14), f. Gr. ψύλλα flea.]
Any of the jumping plant-lice belonging to the genus so called or closely related genera, which include several pests.
1852T. W. Harris Treat. Insects Injurious to Vegetation (ed. 2) 203 The pear-tree, in Europe, is subject to the attacks of..the pear-tree Psylla.1891Insect Life IV. 127 We had occasion some time since to abstract Dr. F. Loew's remarks on the Psyllas which inhabit the pear.1918W. A. Davis Study Indigo Soils Bihar 8 In 1907, two diseases appeared simultaneously—the so-called ‘wilt’ disease and the less serious insect pest ‘psylla’.1933Jrnl. R. Hort. Soc. LVIII. 283 ‘Eucalyptus Psylla’... Deals with a Psylla attacking Eucalypti in English greenhouses.1972Swan & Papp Common Insects N. Amer. xiii. 141 Pear Psylla... A major pest of pears, first introduced into the East in 1832.
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