The article highlights the significant impact of intense cold weather on the population of the leafhopper pest (Dalbulus maidis), a key concern for the upcoming 2024/25 corn campaign in Northwestern Argentina. The cold wave in late June and early July has been described as a game-changer, leading to a substantial decrease in leafhopper numbers and the accidental corn sprouts known as volunteers or guachos in various regions. This unexpected development has sparked optimism among corn specialists, including Alejandro Vera, who monitors the pest using chromatic traps in the Los Altos and San Justo areas. These regions, previously severely affected by the leafhopper, are now showing promising results with zero leafhopper captures, attributing the success to the cold temperatures. This situation has raised hopes for a pest-free start to the corn planting season, potentially allowing producers to reduce chemical control efforts in fallow areas and strategically plan sowing to minimize pest encounters. However, experts stress the importance of ongoing vigilance to ensure that any changes in weather or pest behavior do not undermine the gains made so far.