Beardius roquei Trivinho-Strixino et Siqueira

Pinho, Luiz Carlos, Mendes, Humberto Fonseca & Andersen, Trond, 2013, Revision of Beardius Reiss et Sublette, 1985 (Diptera: Chironomidae), with the description of twenty new species, Zootaxa 3742 (1), pp. 1-78 : 60-61

Beardius roquei Trivinho-Strixino et Siqueira

Beardius roquei Trivinho-Strixino et Siqueira, 2007: 282 .

Beardius sp. Roque et al. (2003: 322).

Material examined. Type material, as in Trivinho-Strixino & Siqueira (2007). Additional material: BRAZIL, Amazonas State: Igarapé do Bajaon, 1 male, 11.xii.1961, A277, E.J. Fittkau. Coari, Base Operacional Geólogo Pedro de Moura ( BOGPM) Urucu, Igarapé Martha, 1 male, S04°51'50'' W65°04'45'', 05–06.xi.2007, Pennsylvania trap, S.R.M. Couceiro. Rio Branquinho , 1 male, 20.iv.1961, light trap, A163, E.J. Fittkau. Uatumã Biological Reserve , Acampamento Cachoeira, 1 male, 31.i–02.ii.2008, light trap, N. Hamada et al. Pará State: Igarapé Aepuku Äku, 1 male, 15–16.iv.1962, light trap, A368, E.J. Fittkau. Missão Cururu, 2 males, 12.i.1961, light trap, A88–5, E.J. Fittkau; as previous except 1 male, 16.i.1961, A88–1; as previous except 2 males, 19.i.1961, A88–1. Serra Tumucumaque, Igarapé Okueima, Acampamento II, 1 male, 18.iv.1962, light trap, A371–1, E.J. Fittkau .

Diagnostic characters. The species belongs in the monotypic roquei group. The male can be separated from all other members of the genus by the combination of the following characters: acrostichals present; anal point comparatively long, with microtrichia in basal 1/3 only; and inferior volsella lacking basal projection. The pupa by: tergites VII and VIII having two anterolateral patches of shagreen; and paratergite VIII with numerous long, thin spines.

Description. The male and pupa were described in detail by Trivinho-Strixino & Siqueira (2007).

Distribution. The species is collected in the Amazonas, Pará, and São Paulo states in Brazil.