noun
: a root aphid ( Pemphigus populivenae ) that causes severe injury to sugar beet, beet, and mangel crops in the western United States
noun
: a root aphid ( Pemphigus populivenae ) that causes severe injury to sugar beet, beet, and mangel crops in the western United States
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012