1. Urophorus humeralis (Fabricius) .

Nitidula humeralis Fabricius, Ent. Syst., suppl., 74, 1798.

Carpophilus humeralis (Fabricius) Fairmaire, Soc. Ent. France, Ann. IV, 9: 199, 1869. Grouvelle, Coleopt. Catalog. (56): 88, 1913.

Urophorus humeralis (Fabricius) Grouvelle, Col. Reg. Ind., 330, 336, 1908.

Piti, June 7, on sugar cane infested with Pseudococrns boninsis , Sept. 20, in rotten breadfruit, Nov. 7, in rotten cucumbers, Swezey.

A cosmopolitan species. Not found particularly abundant in Guam. Determined by E. A. Chapin, U. S. National Museum.