S. Mahunka szerk.: Folia Entomologica Hungarica 64. (Budapest, 2003)

Natural History Museum the specimen was misidientified as "Thecla chaluma Schaus, 1902" (d'Abrera 1995: 1128), and was placed subsequently in Radissima Johnson, 1992 (type species: Sithon umbratus Geyer, 1837 by original designation) by Johnson (1992: 174), which is erroneous as the type species of Radissima differs qualitatively in wing shape, pattern and genital morphology. KEY FOR JOHNSONITA SPECIES 1. Hind wing tornai lobe 2 mm long. Colombia J.johnsoni Salazar et Constantino, 1995 - Hind wing tornai lobe less than 2 mm 2 2. Fore wing apex pointed with straight distal margin, fore wing ventrum with subbassal and submedial gleaming lines 3 Fore wing apex less pointed with bent distal margin, fore wing ventrum without subbasal and submarginal gleaming lines 5 3. Ventral hind wing basal area without distinctive gleaming pattern, submedial area with dark undulate line. Colombia to Peru J. pardoa (d'Abrera, 1995) Ventral hind wing basal area with distinctive gleaming pattern, submedial area without dark undulate line 4 4. Ventral wing antemarginal area with vestigial pattern or patternless. Venezuela to Bolivia J. auda (Hewitson, 1867) Ventral wing antermarginal area with distinctive gleaming intercellular arrow head pattern. Ecuador Johnsonita sp. 5. Ventral hind wing medial area with dark zigzagged pattern. Peru J. johnbanksi sp. n. - Ventral hind wing medial area without dark zigzagged pattern 6 6. Hind wing subbasal and submedial areas patternless. Ecuador J. catadupa (Hewitson, 1869) - Hind wing subbsal and submedial areas with faint pattern. Bolivia Johnsonita sp.