Group panamensis
Definition. Penis lobes moderately long and moderately widened apically, with narrow lateral pouches; telopenes in form of spear-like rolls, attached on dorsal side and directed medially-dorsally (Figs 143–145, 169, 171) (the same in many other species). In imago and subimago of both sexes, femora with one multicolored apical band (Figs 160–161); in male, abdominal terga II–VI whitish, terga VII–X orange (Figs 136, 166) (the same coloration of legs and male abdomen in many other species).
Composition. Among species described here, Th. panamensis sp. n. and Th. viviparus sp. n.