| 单词 | migratory locust |
| 释义 | > as lemmasmigratory locust migratory locust n. any locust or grasshopper that is characterized by migrating; spec. and originally the large locust Locusta migratoria (widespread in tropical and subtropical areas of the Old World), which periodically increases suddenly in numbers, performs mass migrations, and devastates vegetation. ΚΠ 1803 W. Bingley Animal Biogr. III. 255 (heading) The migratory locust. 1871 H. A. Nicholson Man. Zool. (rev. ed.) xl. 260 The Migratory Locust (Acrydium migratorium..) of Africa and Southern Asia. 1925 Ecology 6 459 The reviewer was impressed with..a similar relation between the Rocky Mountain Locust (Melanoplus spretus Uhl.) and the Lesser Migratory Locust (M. atlanis Riley). 1947 New Biol. 3 9 One of the best studied locusts is the Migratory locust (Locusta migratoria) which occurs in many countries of the Old World, including south-eastern Europe. 1972 Science 24 Mar. 1330/2 Populations can build up on the ground until conditions are favorable, whereupon a mass exodus may occur. Aphids provide good examples of this phenomenon as do the various migratory locusts. 1996 Proc. National Acad. Sci. U.S.A. 93 8654/1 In the migratory locust, Locusta migratoria, three AKHs are found, a decapeptide and two octapeptides. < as lemmas |
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