1. Neomaskellia bergii (Signoret) .

Aleurodes bergii Signoret, Soc. Ent. France, Ann. IV, 8: 395, 1868.

Neomaskellia bergii (Signoret) Laing, Ins. Samoa 2 (1): 45, 1927.

This sugar cane aleurodid was found sparsely in small colonies on cane in a small field on the Sumay Road about two miles south of Piti, October 3, 17, 1936. At Mata, November 11, some larger colonies were found on a single stool of cane in a garden . They were attended by the "fire ant" ( Solenopsis geminata rufa). On Mt. Alifan, May 26, a colony was found on· the grass Paspalum conjugatum .

This aleurodid is known to infest sugar cane from Mauritius, Ceylon, Java, Philippines, Formosa, to Fiji and Samoa. This is the first record of it in Guam.

Immature aleurodids were found on taro leaves in a gulch near Mt. Tenjo, May3. Noadultswereobtainedandnomaterialpreserved.