Corn: Corn Flea Beetles

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Corn: Corn Flea Beetles (Chaetocnema pulicaria)

Author:	OMAFRA Staff
Creation Date:	04 July 2005
Last Reviewed:	15 June 2009

Pub 812: Field Crop Protection Guide > Chapter 1: Corn > Corn Flea Beetles

Excerpt from Chapter 1, Field Crop Protection Guide, Order this publication

Description
Integrated Pest Management Options
- Seed Treatment
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Description

Very tiny (1.8mm), black, shiny beetles with elongated hind legs used for jumping when disturbed

Image 1. Corn flea beetles leave long feeding scratches running parallel with leaf vein. Vectors of Stewart's wilt (bacterial leaf blight).

Integrated Pest Management Options

Flea beetles are a vector of Stewart's bacterial wilt. It is uneconomical to spray corn with insecticides to protect against Stewart's wilt except in seed corn with highly susceptible inbreds.

Seed Treatment

clothianidin – Poncho 250
Active ingredient	clothianidin
Trade name	Poncho 250
Rate (product)	33.3 mL per 80,000 kernels

Comments
For use in commercial seed treaters only. Seed-applied insecticides can affect seed drop and final plant stands. Use talc or graphite according to planter recommendations to ensure accuracy.

imidacloprid – Gaucho 480 FL
Active ingredient	imidacloprid
Trade name	Gaucho 480 FL
Rate (product)	100 mL per 80,000 kernels

Comments
For seed corn only. Ensure good coverage. For use in commercial seed treaters only. Seed-applied insecticides can affect seed drop and final plant stands. Use talc or graphite according to planter recommendations to ensure accuracy.

thiamethoxam - Cruiser 5 FS
Active ingredient	thiamethoxam
Trade name	Cruiser 5 FS
Rate (product)	16.7-33.3 mL per 80,000 kernels

Comments
For use in commercial seed treaters only. Do not graze or feed livestock on treated areas for 45 days after planting.

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