[spotted alfalfa aphid] n (1958): a highly destructive Old World aphid (Therioaphis maculata) that is established in the U.S. in warmer areas and causes yellowing and stunting of affected plants
SPOTTED ALFALFA APHID
Meaning of SPOTTED ALFALFA APHID in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012