[Amharic.] A dipterous insect of Abyssinia, allied to and resembling the tsetse, and very destructive to cattle.

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1790.  Jas. Bruce, Trav., I. 388. Large swarms of flies appeared wherever that loomy earth was…. This insect is called Zimb.… It is in size very little larger than a bee.

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a. 1827.  Good Ps. cv. 31 (1854), 415. He spake, and the zimb-fly came.

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