| 释义 |
ˈjoint-worm
1. A tape-worm; as consisting of a series of joints.
1706S. Centlivre Basset-Table iii. E iij, 'Tis the Joint-Worm, which the Learned talk of so much,..or Vulgarly in English the Tape-Worm.
2. U.S. The larval form of several species of chalcid flies belonging to the genus Harmolita (or Tetramesa), which forms galls near joints on grain stems, causing them to bend.
1851Southern Planter (Richmond, Virginia) July 197/2 Joint worm has injured White Flint most, Early Purple Straw next, and Mediterranean least. 1851A. Fitch in Cultivator VIII. 322/1, I first observe, lying upon the infested stalk, the insect to which you allude in your letter, as perhaps having been hatched from the joint-worm. 1852T. W. Harris Insects Injurious to Vegetation (ed. 2) 443 The ravages of the joint-worm in the wheatfields of Virginia are said to have been first observed in Albemarle county, about four or five years ago. 1882Illinois Entomol. Rep. XI. 81, I have obtained another specimen of this species from a gall in a stalk, produced evidently by the regular joint-worm. 1918U.S. Dept. Agric. Farmers' Bull. No. 1006. 2 This jointworm can be controlled in Virginia, Tennessee, and Kentucky by plowing down wheat stubble deeply after harvest. 1972Swan & Papp Common Insects N. Amer. xxi. 537 The Rye Jointworm, T[etramesa] secale, occurs in eastern U.S., westward to Utah and Alberta. |