insigniventris Macfie, 1935: 51 (hembra). Localidad tipo: Brasil, Maranhão, Tutoia. LT F (BMNH). Distr.- Trinidad, Brazil (Maranhão), Argentina (Misiones: Puerto Iguazú, arroyo Mbocay, 25°37'51.16"S, 54°33'41.46"W; Parque Provincial Esmeralda, 26°50′00″S, 54°02′00″W; Posadas, club San Francisco, 27°23'31.20"S, 55°55'59.37"W). Refs.: Spinelli et al., 2015a: 31.
NUEVO REGISTRO:
Corrientes: Esteros del Iberá, Galarza, 28°05'40.29"S, 56°41'11.25"W.

Diagnosis. Only Neotropical species of Atrichopogon (Psilokempia) with the following combination of characters: dark brown species, scutum with pale markings forming the usual pattern. Female: sternite 8 broad, expanded laterally with 2 pairs of setae, membrane with a dense pilosity anterolaterally to gonopore. Male: posterior margin of sternite 9 with single row of 10 setae; gonocoxite elongate, gonocoxal apodemes U-shaped; parameres with a pair of admedian, heavily sclerotized rods extending to distal margin; anterodorsal lobes extending to midlength of parameres main body, tip blunt, and aedeagus stout, slightly longer than its basal breadth, with basal arch high and nearly straight, basal arms directed anteriorly, and lateral margins gently tapering to somewhat pointed, crenulate tip.