Apis nulensis Tingek, Koeniger and Koeniger, 1996 and its genetic relationship with sympatric species inferred from DNA sequences M. C. Arias, S. Tingek, A. Kelitu and W. S. SheppardApidologie, 27 5 (1996) 415-422DOI: https://doi.org/10.1051/apido:19960509