单词 | mangel flea beetle |
释义 | > as lemmasmangel flea beetle mangel flea beetle n. a tiny black flea beetle with a bronze lustre, Chaetocnema concinna, which feeds on the leaves of beet, rhubarb, and other plants. ΚΠ 1932 N. H. Joy Pract. Handbk. Brit. Beetles I. Index 578 ‘Mangold flea-beetle’, Chaetocnema concinna, 413. 1959 E. F. Linssen Beetles Brit. Isles 2nd Ser. 170 Chaetocnema concinna..is very common, especially on Polygonum (Knotgrasses). It is also a pest of mangolds and therefore known as the Mangold Flea Beetle. 1992 M. Gratwick Crop Pests in U.K. xxxiv. 174/2 The mangold flea beetle feeds on beet, mangels, rhubarb, docks, knot-grass and Polygonum. < as lemmas |
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