corn flea beetle closeup MER copy1.JPG

Corn flea beetle


  • Adult: Very small shiny black beetles with enlarged hind legs. Are easily disturbed and able to jump long distances.
  • Larvae: Small and white with a dark head and fairly inactive.
  • Eggs: White, pointed at one end and tiny (less than 0.5 mm long). 

Timing of damage: Early spring and fall when wheat is emerging or breaking winter dormancy

Type of damage: Leaves will have long pale streaks on the upper surface followed by a brown dried appearance.

Scouting: Check plant leaves for presence of beetles.

Economic threshold: Four to five beetles per plant, especially in seedlings.

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.