A new species of Scambicornus (Copepoda, Cyclopoida, Lichomolgidae) associated with a holothurian in Madagascar, with notes on several previously described species

A new lichomolgid copepod, Scambicornus lobulatus, associated with a holothurian, Bohadschia graeffei, is described from the region of Nosy Bé, Madagascar. Certain previously described species of Scambicornus in that area are redescribed in part. New host records are: S. campanulipes from Actinopyga lecanora and A. miliaris, S. idoneus from Argiodia nobilis and Holothuria scabra, S. modestus from Brandtothuria impatiens and either Microthele difficilis or Urodemas ehrenbergi, and S. tuberatus from Bohadschia marmorata.