Psila rosae

Negro Ne"gro, a. Of or pertaining to negroes; black. [1913 Webster]

{Negro bug} (Zo["o]l.), a minute black bug common on the raspberry and blackberry. It produces a very disagreeable flavor.

{negro corn}, the Indian millet or durra; -- so called in the West Indies. See {Durra}. --McElrath.

{Negro fly} (Zo["o]l.), a black dipterous fly ({Psila ros[ae]}) which, in the larval state, is injurious to carrots; -- called also {carrot fly}.

{Negro head} (Com.), Cavendish tobacco. [Cant] --McElrath.

{Negro monkey} (Zo["o]l.), the {moor monkey}. [1913 Webster]