Beardius breviculus Reiss et Sublette, 1985: 189 Beardius breviculus Reiss et Sublette Jacobsen (2008: 98) Beardius sp. B Jacobsen & Perry (2000: 138) Revision of Beardius Reiss et Sublette, 1985 (Diptera: Chironomidae), with the description of twenty new species Pinho, Luiz Carlos Mendes, Humberto Fonseca Andersen, Trond Zootaxa 2013 2013-12-02 3742 1 1 78 L5F8 Reiss et Sublette Reiss et Sublette [151,603,151,178] Insecta Chironomidae Beardius Animalia Diptera 25 26 Arthropoda species breviculus      Beardius breviculus Reiss etSublette, 1985: 189.    Beardius breviculusReiss etSublette; Epler (2001: 8.36),  Jacobsen (2008: 98).    Beardiussp. B  Jacobsen & Perry (2000: 138).   Material examined. Paratypesdeposited in ZMBN.  Diagnostic characters.The species belongs in the  truncatusgroup. The male can be separated from all other members of the genus by the combination of the following characters: median volsella absent; basal projection of inferior volsella triangular with comparatively short macrotrichia; and AR about 1.3. The pupa by the combination of: tergite II with strong, uniform shagreen; tergites VII–VIII bare; conjunctive III/IV bare; and paratergite VI with distal spinules.   Description.The species was described in detail by Reiss & Sublette (1985). The triangular structure considered as “median volsella” by Reiss & Sublette (1985)must be regarded as a basal lobe of the inferior volsella; median volsella is absent.   Distribution.The species is recorded from Panamaand southern U.S.A ( Epler 2001; Reiss & Sublette 1985).