Black Vine Weevil Facts & Information

Identification

body
Otiorhynchus sulcatus; Ovoid shape; Covered in tiny hairs
colour
Brown to gray
size
12 mm
Black Vine Weevil Facts & Information

What You Can Do

Pesticides may be sprayed upon the leaves of infected plants in order to address adult specimens. Contact a local agricultural specialist for guidance.

Appearance

  • Size: Approximately 12 mm in length and ovoid in shape.
  • Characteristics: The antennae of these weevils feature elbows, their wings bear small pits, and they possess short snouts.
  • Color: They range from brown to gray in color and are covered with tiny hairs.

Diet

Adults feed on leaves and stems of plants, while larvae feed on fine and main roots. The feeding behavior of black vine weevil larvae causes more damage to affected plants than that of adults. Black vine weevils are known to attack various:

  • Herbs
  • Plants
  • Shrubs
  • Trees

Geographic Range

The black vine weevil is present in much of the northern United States, and is found throughout the state of Ohio.

Reproduction

Females emerge in early summer and will feed for about a month before laying eggs. She may lay almost 200 eggs in her life. The eggs hatch and the larvae feed on the roots of the plant. Larvae spend the winter in a dormant state and will pupate the following spring.