1. Universidad Autónoma Agraria Antonio Narro, Departmento de Parasitología, Saltillo, Coahuila, 25315, Mexico; E-mail: (M. M.-G.), renato_villegas1988@hotmail.com (R. V.-L.), gabgalmor@yahoo.com.mx (G. G.-M.), sanchezcheco@gmail.com (S. S.-P.)
2. University of Texas at Austin, Department of Integrative Biology, Austin, Texas 78712, USA; E-mail: (R. P.), lgilbert@austin.utexas.edu (L. G.)
3. University of Connecticut, Department of Ecology and Evolutionary Biology, Storrs, Connecticut 06269-3043, USA; E-mail: (T. M.)