P.1154-1162Aphis intybi Koch is recorded for the first time in North and South America. Measurements
for the identification of this species in comparison with Aphis craccivora Koch are given.
Aphis cytisorum Hartig is recorded for the third time in Argentina. Data on morphological
variation, geographical distribution, and host plants of these species in Argentina are provided.
Their morphological identification is supported by comparison of DNA sequences of
the mitochondrial cytochrome oxidase subunit 1 (DNA barcode) and subunit 2.S
