Aphis nerii Boyer de Fonscolombe, 1758

Swezey, O. H., 1942, Aphididae and Aleurodidae Of Guam, Insects of Guam I, Honolulu, Hawaii: Bernice P. Bishop Museum, pp. 23-24 : 23

3. Aphis nerii Boyer de Fonscolombe , Soc. Ent. France, Ann. 10: 167, 1841.

The milkweed aphis was found once at Piti. A colony occurred on the common milkweed ( Asclepias curassavica) at the Agricultural School Firm . Another colony was found on the same plant at Fadian .

A large green aphid was found on the large marsh reed ( Trichoon ro:rburghii) on two occasions, once at Inarajan and again at Piti, but I failed to preserve any for identification.

Aphis sacchari was not observed at any time on sugar cane.

Fullaway reported in 1911 an aphid on banana resembling Pentalonia nigronervosa, a species known on banana in Hawaii.