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27 August 2024 Unusual Abundance of Dalbulus maidis in Northeastern Mexico
Luis A. Rodríguez-del-Bosque, César A. Reyes, Carolina Delgado, Enrique Rosales, Héctor E. Vega, Román Martínez
Author Affiliations +
Abstract

High densities of the corn leafhopper, Dalbulus maidis (DeLong & Wolcott), were reported for the first time in northern Tamaulipas, Mexico. The highest incidence of D. maidis (200 leafhoppers/leaf) was observed during the kernel milk stage at Río Bravo, and this infestation also caused a severe outbreak of sooty mold. The impact of the leafhopper's deleterious effects on the yield of corn and the effects of weather and agronomic factors on the incidence D. maidis and its damage to corn remain unclear.

Se reporta por primera vez altas densidades de la chicharrita del maíz, Dalbulus maidis (DeLong & Wolcott), en el norte de Tamaulipas, México. La incidencia más abundante de D. maidis fue 200 chicharritas/hoja en Río Bravo, Tamaulipas, durante la etapa de formación del elote, provocando que las hojas se cubrieran con fumagina. Se desconoce el impacto de estos daños sobre el rendimiento del maíz, ni la influencia de factores climáticos y agronómicos sobre la incidencia y daños de D. maidis.

Luis A. Rodríguez-del-Bosque, César A. Reyes, Carolina Delgado, Enrique Rosales, Héctor E. Vega, and Román Martínez "Unusual Abundance of Dalbulus maidis in Northeastern Mexico," Southwestern Entomologist 49(3), 1034-1037, (27 August 2024). https://doi.org/10.3958/059.049.0318
Published: 27 August 2024
KEYWORDS
chicharrita del maíz
corn leafhopper
damage
Daños
fumagina
sooty mold
Tamaulipas
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