Rediscovery of Libythea collenettie Poulton & Riley (Nymphalidae: Libytheinae) in the Marquesas, and a description of the male

Libythea collenettei was rediscovered in the Marquesas Islands in 2001, for the first time since originally being found in 1925. The fi rst known male, collected from Ua Pou, differs from the female in having weaker dorsal forewing markings and a more prominent pale submarginal line on the ventral hindwing. The male and the female holotype are presented in color, accompanied by wing venation diagrams and the first drawings of the male and female genitalia. The genitalia confirm the placement of collenettei in Libythea. The biology of the species remains mostly unknown, but adults have been recorded to frequent stream corridors near sea level, apparently have multiple annual generations, and their larvae are presumed to feed on Celtis pacifica.