| 单词 | pear blight beetle |
| 释义 | > as lemmaspear blight beetle pear blight beetle n. any of several beetles causing pear blight, esp. the bark beetles Xyleborus dispar (also called shot-hole borer) and X. pyri (family Scolytidae). ΚΠ 1854 E. Emmons Agric. N.Y. V. 113 Scolytus (Tomicus) pyri... Pear-blight Beetle... This insect has been highly injurious to the pear tree in New-England. 1885 Amer. Naturalist 19 1178 The limb..may be punctured and killed by the pear-blight beetle (Xyleborus pyri), a very small insect which often escapes detection. 1936 R. W. Doane et al. Forest Insects v. 132 The pear blight beetle, Anisandrus pyri (Peck), is the American representative of the European shot-hole borer, A. dispar (Fabr.). 2003 Newsday (Nexis) 13 Apr. n2 The culprits are two species of bark or ambrosia beetles—Xyleborus dispar or pear blight beetle, and Xylesandrus germanus or black-stem borer. < as lemmas |
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