An analysis of the cophysa-group of Tramea Hagen, with descriptions of two new species (Anisoptera: Libellulidae)

The group consists of 4 species, characterized by the presence of 2 oblique pale lateral stripes on the thorax, viz. T. cophysa Hagen, T. calverti Muttkowski (designated lectotype Q: San Jose del Cabo, Mexico, X-1893; Philadelphia Academy), T. rustica sp. n. (holotype Jusepin, Monagas, Venezuela, 6-VII1-1966; Facultad de Agronomia, Aragua), and T. minuta sp. n. (holotype ft: Rio Guaniamo, Bolivar. Venezuela, 25/28-V-1979; Facultad de Agronomia, Aragua). A key to the adults is provided, along with bibliographic notes, figures and detailed descriptions of all 4 species.