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This Entiminae -related article is a stub. You can help Wikipedia by expanding it.
The adult citrus root weevil is somewhat variable in size but just over 1 cm (3 ⁄ 8 in) in length on average. Its elytra are glossy black with large stripes of tiny yellowish-orange scales, and its head and legs are black. It has adhesive pads on its legs which confer the ability to adhere to very smooth surfaces.
These seven species belong to the genus Pachnaeus: [2] [3] [4]. Pachnaeus azurescens Gyllenhal, 1834; Pachnaeus citri Marshall, 1916; Pachnaeus costatus Perroud, 1853; Pachnaeus litus (Germar, 1824) (blue-green citrus root weevil)
Adult weevils can be controlled by using sticky barriers on the trunks of affected plants, as the weevils return to the soil each day. Adults can also be manually removed from plants at night when they can be found feeding on leaf edges. Use only a dim torch or candlelight to search by, as they will drop to the ground if startled by bright light.
Pachnaeus opalus, the northern citrus root weevil, is a species of broad-nosed weevil in the family Curculionidae. [2] [1] [3] [4] It is found in North America. [1]
Controlling the strawberry root weevil includes a wide variety of methods such as the use of insecticides, plowing under old crops and crop rotation, cleaning farm equipment before moving to a new field, and fall plowing infested beds or fields. Another control method is the use of entomopathogenic nematodes, though results have varied. [5] [6]