willistoni Thompson (nom. nov. for dolosa Williston). Type locality: Peru, Chanchamayo. HT M (BMNH).

Distr.: Colombia (Antioquia (Caldas), Risaralda (Pereira)), Costa Rica, Mexico.

Refs.: Williston, 1891:37, pi. 1:7 (habitus), 7a–b (head) (name preocc. by Walker, 1857 (Baccha)); Hull, 1949c:234, fig. 202 (abdomen); Thompson et al. 1976:30 (cat.); Zumbado & Thompson, 2000:784, fig. 18–19 (M genitalia complex), 790 (desc.).

Material examined. COLOMBIA: Antioquia: Caldas, 6.090000°, -75.638000°, 1560m, 28.xi.2007 (MEFLG). Risaralda: Pereira, Wildlife Sanctuary Otún Quimbaya, 4.728880°, -75.577850°, 1890m, 1female, 13- 14-iv.11, Leg. N. Uribe, Vsr. Chiken (CEUA).