azteca Huerta & Grogan, 2006: 893 (male, female). Type locality: México, Morelos, Municipio Tepalcingo, Huitchila, Los Sauces. HT M (CAIM). Distr. México (Morelos, Jalisco), Argentina (Tucumán: Departamento San Isidro de Lules, Potrero de Las Tablas, arroyo Los Tablaos and provincial RT. 341, 26°51'19.5''S, 65°25'53.4''W, 690 m. Corrientes: Estación Biológica Corrientes, arroyito, 27°32'51.8'' S, 58°40'47.4''W, 55 m. Buenos Aires: isla Martín García, casa de bombas, 34°11'16.95"S, 58°14'41.93"W). Refs.: Díaz et al., 2018b: 7.
Diagnosis: The only Neotropical species of the grisea group with the following combination of characters: adult males having the aedeagal posterolateral arms stout, with the right arm shorter than the left one, and the posterior margin of the sternite 9 with fine spicules; adult female with abdominal terga brown, hindfemur with broad dark spots on midportion; scutellum with dark brown on midportion. Pupa with respiratory organ with scale-like spines and bearing 22–24 apical and 3–4 lateral pores. Larva with four pairs of sensilla campaniformia, scopae with 14–16 strong teeth, hypostoma with medial portion apparently smooth and flanked with 3 strong teeth followed by 3–4 small teeth and the epipharynx, with medial sclerite.