Ochthoeca leucophrys dissors Zimmer 1940

Zimmer 1940. Studies of Peruvian Birds. No. XXXIV.-The genera Todirostrum, Euscarthmornis, Snethlagea, Poecilotriccus, Lopkotriccus, Myiornis, Pseudotriccus & Hemitriccus. American Museum Novitates, no. 1066 1940: pp. 1-23