| 释义 |
hopperdozer U.S.|ˈhɒpədəʊzə(r)|
[f. hopper1, perh. after bull-dozer (1876); see also quot. 1878.]
A contrivance for catching and destroying insects, consisting essentially of an elongated pen or frame which is filled or smeared with some poisonous or glutinous substance and slowly drawn or pushed over the ground.
1877Pioneer Press (St. Paul & Minneapolis) 19 May 5/4 (heading of letter by A. B. Robbins) A hopperdozer. Ibid. 22 May 1/5 The grasshoppers in this vicinity have hatched out very thickly... People are beginning to destroy them in various ways, principally with sheet iron hopperdozers covered with coal tar. 1878Ann. Rep. U.S. Entom. Commission 1877 xiii. 390 The simple pan..known as the Robbins' hopperdozer. [Note] A word that came into very general use last year among farmers..and which doubtless takes its origin from doze, in reference to the toxic effect of the coal-tar on the locusts. 1904W. C. Edgar Story Grain Wheat ii. 21 Large areas of wheat are saved by means of a machine termed in America the ‘hopperdozer’. 1932Chieftain (Tecumseh, Nebraska) 5 May, Mechanical ‘hopperdozers’ have some value in the control of grasshoppers of fairly level fields of alfalfa. 1962Metcalf & Flint Destructive & Useful Insects (ed. 4) ix. 471 On the whole, hopperdozers are much more expensive to operate and less efficient than poisoning. |