Natural prey.Periplaneta sp., Puerto Rico (Wetmore, 1916): Cockroaches were found in one of 43 stomachs examined.

Family ICTERIDAE

Agelaius xanthomus (Sclater)

Common name.—Yellow-shouldered blackbird.

Natural prey.—Cockroaches, Puerto Rico (Wetmore, 1916): Oöthecae and remains of adult cockroaches found in stomachs.

Dolichonyx oryzivorus (Linnaeus)

Common name.—Bobolink.

Experimental prey.Pycnoscelus surinamensis, U.S.A., Florida (Sanders, 1928).

Holoquiscalus brachypterus (Cassin)