Abstract
The male of the predominant cave-dwelling Phlebotomine in Belize (formerly British Honduras) is described under the informal name of Lutzomyia beltrani (Belize form). Differences between this fly, L. beltrani (Vargas & Díaz Nájera) and L. steatopyga (Fairchild & Hertig) are discussed. The females of L. beltrani, L. steatopyga and L. beltrani (Belize form) are indistinguishable.

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