R. L. SMILEY, W. BAKER EDWARD, and M. DELFINADO BAKER, “New species of Hypoaspis (Acari: Mesostigmata: Laelapidae) from the nest of a stingless bee in Malaysia (Hymenoptera: Meliponinae, Apidae)”, ZOO, vol. 67, no. 002, Oct. 2009.