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单词 pear psylla
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pear psylla
pear psylla n. chiefly North American = pear sucker n.
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the world > animals > invertebrates > phylum Arthropoda > class Insecta > subclass Pterygota > [noun] > division Exopterygota or Hemimetabola > order Hemiptera > suborder Homoptera > family Psyllidae > member of genus Psylla
psylla1852
pear sucker1881
pear-louse1890
pear psylla1892
1892 Garden & Forest 5 285 The Pear psylla, which did so much damage during the past summer, is probably a new species.
1972 L. A. Swan & C. S. Papp Common Insects N. Amer. xiii. 141 Pear Psylla... A major pest of pears, first introduced into the East in 1832.
1994 Org. Gardening Feb. 20/2 The pear psylla can also transmit an organism that causes ‘pear decline’, or premature death of trees.
extracted from pearn.
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