6. Prosoplus marianarum Aurivillius,

Deutsche Ent. Zeitschr., 222, 1908; Coleopt. Catalog. (73): 263, 1922.

Machanao, June 5; beach near Atao, June 25 ; Ritidian Pt., June 30, Usinger,threespecimens. Nodataastohabits.

This species was described from the Marianas Islands and has not been recorded elsewhere. \Ve found it only rarely.