nigrifrons Enderlein, 1914b: 584 (Ptecticus testaceus var. nigrifrons). Type locality: Mexico, Chiapas. Distr.— Belize, Brazil (Santa Catarina), Colombia (Boyacá (Muzo, 900 m)), Costa Rica, El Salvador, Mexico (Chiapas, Jalisco, Morelos, Nayarit, Nuevo León, Oaxaca, San Luis Potosí, Tabasco, Tamaulipas, Veracruz), Panama, Peru. ST 4 M, 11 F [PAN]. Refs.— James, 1973: 26.17 (cat.); Woodley, 2001: 214 (cat.).

Ptecticus nubilipennis James, 1938: 202 . Type locality: Colombia, Boyacá, Muzo, 900 m. HT M [MCZ]. Ref.— Woodley, 2001: 214 (cat., syn.).