Xeromelecta alayoi Michener, 1988:377, ♀. Holotype ♀, Rancho Mundito, s. de los Organos, Pinar del Rio Province, Cuba, 4 July 1947 (Snow Entomological Museum, University of Kansas, leg. F. de Zayas & V.J. Ferras). - Rodríguez Velázquez & Mestre Novoa, 2002Rodríguez Velázquez, D. & Mestre Novoa, N. 2002. Lista de los Collembola e Insecta (Coleoptera, Dermaptera, Dictyoptera, Mantodea, Diptera e Hymenoptrera) de la Sierra de los Organos, Pinar del Río (Arthropoda: Hexapoda). Cocuyo 12:6-10. (distribution); Portuondo Ferrer & Fernández Triana, 2004Portuondo Ferrer, E. & J.L. Fernández Triana 2004. Biodiversidad del orden Hymenoptera en los macizos montañosos de Cuba oriental. Boletín de la Sociedad Entomológica Aragonesa 35:121-136. (distribution); Genaro, 2008Genaro, J.A. 2008. Origins, composition and distribution of the bees of Cuba (Hymenoptera: Apoidea: Anthophila). Insecta Mundi 52:1-16. (distribution). - As Brachymelecta alayoi: - Onuferko et al., 2021Onuferko, T.M., L. Packer & J.A. Genaro 2021. Brachymelecta Linsley, 1939, previously the rarest North American bee genus, was described from an aberrant specimen and is the senior synonym for Xeromelecta Linsley, 1939. European Journal of Taxonomy 754:1-51. (distribution), 12 (first description male).