Jap beetle 1 MER copy.jpg

Japanese beetle

Description

  • Adult: Metallic green beetle with bronze wing covers, about ½" long. Six tufts of white hair on each side of the abdomen just below the wing covers.
  • Larvae: Grubs are creamy white with a brown head capsule, C-shaped and about 1" long.
  • Eggs: White to translucent, small and elliptical to spherical in shape.  
     

Timing of damage: VE to R8

Type of damage: Adults skeletonize leaves. Larvae feed on roots.

Scouting: Examine five plants in five locations to determine percentage of defoliation.

Economic threshold: In V stages: 40% defoliation. R1 to R5: 15% defoliation. R6 to harvest: 25% 
defoliation and beetles are actively feeding.

Similar Pests

Ask an Agronomist

The material and content contained in the Greenbook label database is for general use information only. Agworld and Greenbook do not provide any guarantee or assurance that the information obtained through this service is accurate, current or correct, and are therefore not liable for any loss resulting, directly or indirectly, from reliance upon this service. This label database does not replace the official manufacture issued label. Users of this database must read and follow the actual product label affixed to the container before use of the product.