Atopsyche (Atopsaura) acahuana Schmid 1989

Gomes, Victor & Calor, Adolfo Ricardo, 2016, Taxonomy of Atopsyche Banks (Trichoptera: Hydrobiosidae) from Brazil: New species, distributional notes and identification key, Zootaxa 4139 (1), pp. 51-75 : 53-54

Atopsyche (Atopsaura) acahuana Schmid 1989

Atopsyche acahuana Schmid 1989 , 117 (Type locality: Brazil, ES [Espírito Santo], el. 460 m, 15 km SE Santa Teresa, Faz. Santa Clara, 22.iv.1977, C.M. & Flint, O.S.Jr.; holotype depository: MZSP; male).

Atopsyche (Atopsaura) acahuana Schmid ; Blahnik et al. 2004, 4 (distribution); Paprocki et al. 2004, 7 (checklist).

Diagnosis. This species belongs to the Atopsyche (Atopsaura) longipennis Group in which it seems to be isolated ( Schmid 1989). The apical half of the phallotheca is obtusely bulbous and membranous; the first article of each inferior appendage is slightly convex subbasoventrally and subapicodorsally and broader than those of most species, especially at 2/3rds distance from its base, its apicomesal angle is extended in a slender lobe parallel with the second article and nearly the same length ( Schmid 1989).

Description. Overall body color light brown. Frons and vertex of head with elongate, erect dark and light brown, yellow and whitish setae. Antennal scapes with long brown setae, pedicels and basal flagellomeres yellow. Maxillary and labial palps with long brown and yellow setae. Dorsum of thorax covered by elongate, erect dark and light, brown and yellow setae. Legs yellowish brown. Forewings with shades of dark and light brown, erect setae of veins forming pattern of alternate brown and yellow setae, apex with fringe of light brown and yellow setae.

Material examined. Holotype: BRAZIL: Espírito Santo, el. 460 m, 15 km SE Sta.Teresa, Faz. Sta. Clara, 22.iv.1977, C.M. & Flint, O.S.Jr. (pinned, MZSP); Minas Gerais, Rio Caraça, near Santa Barbara, 20°01.371’S, 43°28.750’W, el. 728 m, 9.xi.2001, Holzenthal, R.W., Paprocki, H., Blahnik, R., Amarante, M.; Det. Blahnik, R. 2002. UMSP 0000 80667 to 000080672, 4 males, 2 females (pinned, MZSP); Rio de Janeiro, Encontro dos Rios (Macaé/Bonito) 6 km S Lumiar, 22°23.484’S, 42°18.698’W, el. 600 m, 10.iii.2002, Holzenthal, R.W., Blahnik, R., Paprocki, H. & Prather, A., 5 males, 2 females (pinned, MZSP); same data except Rio das Flores, Macaé de Cima, 10 km SE Mury, el. 1000 m, 09.iii.2002, Holzenthal, R.W, Blahnik, R., Paprocki, H. & Prather, A.; Det. Blahnik, R. 2003, UMSP 000088435 to 000088441, 5 males, 2 females (pinned, MZSP).

Distribution. Brazil (Espírito Santo, Minas Gerais, Rio de Janeiro).