Hydroptila arctia Ross 1938

Previous distribution. México [Guerrero, Morelos, Oaxaca (10 km S Oaxaca), Tamaulipas], USA.

Material examined. MÉXICO: Oaxaca, Santa Catarina Lachatao, El Arco, 17°15’56”N, 96°29’28”W, 1934 m asl, 23.v.2013, light trap, V.S. Jiménez-Hernández, J.A. Casasola-González & M. Razo-González, 1 male (alcohol); Puente de los Trabajos, 17°15’11”N, 96°29’27”W, 1985 m asl, 24.v.2013, light trap, V.S. Jiménez- Hernández, M.E. López-Martínez, E. Ruiz-Jiménez, J.A. Casasola-González & M. Razo-González, 3 males (alcohol).

Remarks. The altitudinal range is extended from 1934 m asl (El Arco) to 2000 m asl (Tamazulapam).