Presence of Peregrinus maidis in Azuero corn production areas, Panama
DOI:
https://doi.org/10.15517/dv84zh36Keywords:
Delphacidae, corn delphacid, phytophagous insect, virus vector, Zea mays L.Abstract
Introduction. The corn delphacid, Peregrinus maidis (Ashmead) (Hemiptera: Delphacidae), is an insect of economic importance in corn production, as it causes direct damage to the plant and acts as a vector of several corn viruses. Objective. To determine the distribution of corn delphacid in the corn production zones of the Azuero peninsula, Panama. Materials and methods. During the months of November and December 2024, fourteen locations with corn fields Los Santos province, located on the Azuero peninsula, Panama, were surveyed. The fields were in the phenological stage of maturation. At each location, twenty corn plants were randomly inspected, and the leaf located at the node where the ear develops was examined for suspected P. maidis specimens, which were captured using a brush, 70 % alcohol, and 11 mL vials. The sampled specimens were identified with taxonomic keys, and the number of nymphs and adults (males and females) was quantified. Results. The corn delphacid was present in the 14 localities. A total of 473 specimens were captured, of which 441 were adults (235 females and 206 males) and 32 immatures. Conclusions. P. maidis is widely distributed in the corn production area of the Azuero peninsula, so it is important to monitor its population behavior.
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