Weevils - Snout Beetles

closeup of snout beetle / weevil

Weevils are a type of Beetle. Snout beetles, so named because of their prominent 'snout'. They are generally less than 1/4 inch in length, relatively small in comparison to other beetles. There are over 60,000 species of weevils, some of the more bothersome little buggers are listed below.

Strawberry Root-Weevil

In their adult stage this insect is a small, dark snout beetle with rows of pits along their backs. Various species will differ slightly in size and color. The strawberry root weevil is black to light brown and 1/5 inch, the rough strawberry weevil chocolate brown and 1/4 inch, and the black vine weevil is black with small flecks of yellow on its back and 2/5 inch.

Many species of root weevils feed on the young roots and crowns of strawberry plants. Adults will eat notches in the leaves, this damage is minimal, and unless you have a severe infestation will not generally damage your crop.

The larvae/Grubs However cause severe damage by tunneling in roots and crowns of plants.

Rough Strawberry Root Weevil

Adults are slightly more than 1/4 inch long and resemble the strawberry root weevil with the exception of size. They are black, shiny, without scales and with coarse, punctures on the outer wings.

Adults are common on fruit trees in early summer. Adults feed at night and hide during the day.

Black Vine Weevil

The adult is a about 3/8 inches long, black and wingless . All of the weevils are females and they reproduce parthenogenetically . Since they do not fly, they migrate primarily by walking. The weevils feed at night, making the Praying Mantis a good choice of predator. They feed on foliage, chewing out notches, damage is usually not severe.

Carrot Weevil

The carrot Weevil adult is a dark-brown snout beetle about 6 mm long It over winters in plant debris in and about carrot fields that were infested the previous year.- Another good reason for Crop Rotation.

Insecticide labels provide an extensive amount of information and indicate that the insecticide has been extensively tested, and evaluated by the EPA . Insecticides cannot be legally registered, much less sold, without going through these procedures. Among the information included on an insecticide label is the "directions for use", and perhaps more importantly, information with regard to the toxicity of the chemical. Any chemical is potentially toxic.

READ THE LABEL BEFORE APPLYING ANY PESTICIDE. & Follow all label directions. This publication contains pesticide recommendations. Changes in pesticide regulations occur constantly, some materials mentioned may no longer be available, and some uses may no longer be legal.

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