Our new species closely resembles the erethistid Pseudolaguvia tuberculata and shares
with that species a unique combination of two characters: (1) the presence of a distinct
adhesive apparatus on the thorax possessing a median depression and consisting of longitudinal
unculiferous ridges and intermittent smooth grooves and (2) well-developed scapular
and cubito-humeral processes. Pseudolaguvia tenebricosa is therefore assigned to this
genus.