Tag Archives: Corn Leafhopper

Leafhoppers in Corn: Update

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Short story: Spraying to control leafhoppers in dent stage corn is not likely to benefit the crop. Corn Maturity: As of May 29, 2024, most of the corn in the mid-coast of Texas is at dent. The time required from early dent to maturity is 20-35 days. Insect populations: Every corn field I have visited has leafhoppers at some level. Leafhopper numbers range from less than 1 per plant to 15-20 per leaf. Plant symptoms: A minority of the corn fields show symptoms of leaf yellowing to reddening or death and <2%… Read More →

Corn Leafhoppers

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As a continuation of this year’s strange insect problems, we now have Corn Leafhoppers in some corn fields of the Mid-Coast. This insect is not uncommon but showed up in corn fields in the Rio Grande Valley (RGV) a few weeks ago and is now appearing in some local corn fields in numbers great enough to cause concern. Today, May 24, I visited a Victoria County corn field and found corn leafhoppers in numbers ranging from 1 to 30 leafhoppers per leaf. Most of these insects are below… Read More →