Ricardo Ayala
Recent Publications

García-Aldrete, A. N., and R. Ayala. 2004. Arthropodos de Chamela. Publicaciones Instituto de Biología, UNAM, Mexico.

Michener, C. D., M.S. Engel, and R. Ayala. 2003. The bee genus Caupolicana in Central America (Hymenoptera: Colletidae). Journal of the Kansas Entomological Society,76(2): 160–171.

Novelo, R. L., H. Delfín-González, R. Ayala, and H. Contreras-Acosta. 2003. Community structure of native bees in four vegetation types in the dry tropic of Yucatan. Folia Entomologica Mexicana 42(2): 177–190.

Vergara, C., and R. Ayala. 2002. The bee fauna of Zapotitlán de las Salinas, Puebla, México. Journal of the Kansas Entomological Society, 74(4): 16–30.

Ayala, R. 2002. Two new subgenera of bees in the genus Centris (Hymenoptera: Apoidea). Scientific Papers, Natural History Museum, University of Kansas 25: 1–8.

Ayala, R. 1999. Revisión de las abejas sin Aguijón de México (Hymenoptera: Apidae: Meliponini). Folia Entomológica Mexicana, 106: 1–123.