Bean, snap-Nitidulid beetle

Meligethes nigrescens

Pest description and crop damage Nitidulid beetles are rarely a pest of snap beans and rarely require treatment. Adult beetles are small and black. They infest blossoms from mid-July to mid-August. They may cause blossom drop, but control is unnecessary unless populations are very high.

Management-chemical control: HOME USE

  • pyrethrins (often combined with other ingredients)-Some formulations are OMRI-listed for organic use.

Management-chemical control: COMMERCIAL USE

Most insecticides used for aphids or other pests of beans reduce nitidulid beetle populations.