According to Russo, leafhopper numbers in northern Argentina are 10 times the normal level, while the insect has been found nearly 1,500 kilometers (932 miles) south of traditional areas, where ...

Experts argue that the leafhopper population has surged in recent months largely due to the lack of frosts during last year's Southern Hemisphere winter, which likely would have killed off the insect.

"By 1981, the insect was documented as far north as Ohio. In 2024, Texas A&M AgriLife Extension issued an alert about a surge of corn leafhoppers in the Texas Mid-Coast region.

According to Russo, leafhopper numbers in northern Argentina are 10 times the normal level, while the insect has been found nearly 1,500 kilometers (932 miles) south of traditional areas, where ...