Caddisflies (Insecta: Trichoptera) from Santa Catarina Lachatao, Oaxaca, México: New species, new geographical records, and checklist Razo-González, María 7VCC4 Denning & Blickle 1979 Denning & Blickle 1979 [151,723,509,535] Insecta Helicopsychidae Helicopsyche GBIF Animalia Trichoptera 9 Arthropoda species villegasi   Material examined.  MÉXICO: Oaxaca, Santa CatarinaLachatao, El Arco, 17°15’56”N, 96°29’28”W, 1934 masl, 23.v.2013, light trap, V.S. Jiménez-Hernández, J.A. Casasola-González& M. Razo-González, 3 males(alcohol).   Remarks. The distributional range of this species extends two degrees to the South and four degrees to the East.