The biology and immature stages of Psigida walkeri (Grote) are described for the first time. Development is rapid with only 35 days from egg to adult. The larva feed on Calliandra parviflora Benth. (Leguminosae-Mimosoideae), its natural host plant. Egg, larval instars, pupa and adults are illustrated in color.
Brazil; Ceratocampinae; Immature stages; Lepidoptera; Saturniidae