1. Department of Entomology, 166 FSHN, Washington State University, Pullman, Washington, 99164. USA; E-mail: zhen.fu@tamu.edu (Z. F.)
2. Instituto Nacional de Investigaciones Agropecuarias, Estación Experimental Santa Catalina, Panamericana Sur km 1, Quito, 171107, Ecuador; E-mail: carmen.castillo@iniap.gob.ec (C. I. C. C.), cesar.asaquibay@iniap.gob.ec (C. A.), rodrigo.aucancela@inia
3. Department of Entomology, Plant Pathology and Nematology, 875 Perimeter Drive, MS 2329, University of Idaho, Moscow, Idaho 83844, USA; arashed@uidaho.edu (A. R.)
4. Centro Internacional de la Papa (CIP), Quito, Ecuador E-mail: n.panchi@cgiar.org (N. P.), c.valasco@cgiar.org (C. V.)