Variantes ultraestructurales de la cochinilla harinosa Pseudococus elisae Borchsenius (Hemíptera:Pseudococcidae) en Costa Rica
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Palma Jiménez, Melissa
Blanco Meneses, Mónica
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Muchas de las especies de cochinillas harinosas (Hemiptera: Pseudococcidae) consideradas plagas de cultivos, están concentradas en la región de países del trópico. Con el objetivo de disponer de información actualizada sobre la taxonomía de estos insectos, se presentan variantes ultraestructurales de diferentes poblaciones de Pseudococcus elisae Borchsenius, 1947, procedentes de 11 fincas productoras de banano de Costa Rica. Se utilizó microscopía de luz para identificar la especie y microscopía electrónica de barrido (MEB) para describir ultraestructuras. Los caracteres estudiados por MEB, mostraron diferencias respecto de los ostiolos, cerarios, ductos tubulares con anillo oral y poros multiloculares. En la presente investigación se determinó que las cochinillas identificadas como P. elisae en el cultivo de banano, presentan una serie de variantes ultraestructurales con gran valor taxonómico, que podrían ser consideradas a futuro como otros caracteres descriptivos dentro de la clasificación de la especie.
Many mealybug species (Hemiptera: Pseudococcidae) that are considered pests of important crops are concentrated in the region of tropical countries. In order to update the information on the taxonomy of these insects, ultrastructural variants from different populations of Pseudococcus elisaeBorchsenius, 1947, from 11 Costa Rican banana producing farms are presented. Light microscopy was used to identify the species and scanning electron microscopy (SEM) to describe the ultrastructures. The characters studied by SEM, showed differences regarding to ostioles, cerarii, oral rim tubular ducts and multilocular pores. In the present investigation it was determined that mealybugs identified as P. elisaein the banana crop, show a series of ultrastructural variants of great taxonomic value, which could be considered in the future as other descriptive characters within the classification of the species.
Many mealybug species (Hemiptera: Pseudococcidae) that are considered pests of important crops are concentrated in the region of tropical countries. In order to update the information on the taxonomy of these insects, ultrastructural variants from different populations of Pseudococcus elisaeBorchsenius, 1947, from 11 Costa Rican banana producing farms are presented. Light microscopy was used to identify the species and scanning electron microscopy (SEM) to describe the ultrastructures. The characters studied by SEM, showed differences regarding to ostioles, cerarii, oral rim tubular ducts and multilocular pores. In the present investigation it was determined that mealybugs identified as P. elisaein the banana crop, show a series of ultrastructural variants of great taxonomic value, which could be considered in the future as other descriptive characters within the classification of the species.
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DIVERSIDAD BIOLÓGICA, ESPECIE, PLAGA, CULTIVO, TAXONOMÍA ANIMAL, INSECTO
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https://www.biotaxa.org/rce/article/view/39610
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