The pupa of Calamoceras marsupus Brauer, 1865 (Trichoptera : Calamoceratidae) is described and the main taxonomic characteristicsare illustrated. This pupa is compared with those of six genera of Calamoceratidae. The pupa of Calamoceras marsupusshares some characteristics with Banyallarga, Phylloicus, and Ganonema.