Either of two small brown weevils of the genus Hypera, especially the European H. postica, which are serious pests of alfalfa and have been introduced into North America.
Origin
Early 20th century; earliest use found in Science.
Definition of alfalfa weevil in US English:
alfalfa weevil
noun
Either of two small brown weevils of the genus Hypera, especially the European H. postica, which are serious pests of alfalfa and have been introduced into North America.
Origin
Early 20th century; earliest use found in Science.