First record of Empoasca kraemeri (Hemiptera: Cicadellidae) attacking sweet potato in Brazil
Abstract
Empoasca kraemeri Ross & Moore (Hemiptera: Cicadellidae) is a phytophagous species widely found in tropical and subtropical regions of the world. This species is associated with several agricultural crops, where they are established due to food supply and favorable developmental conditions. The objective was to record the occurrence and damage caused by E. kraemeri in sweet potato germoplasm in Diamantina, Minas Gerais State, Brazil. Physical injuries were caused by E. kraemeri penetrating the stylet into the phloem of the plant, creating chlorotic spots on the leaves with posterior necrosis. This insect has the potential to cause severe damage. Thus, it is important to include E. kraemeri in integrated pest management programs for the sweet potato.
Sumário
Empoasca kraemeri Ross & Moore (Hemiptera: Cicadellidae) é uma espécie fitófaga amplamente encontrada em regiões tropicais e subtropicais do mundo. Esta espécie está associada a várias culturas agrícolas, onde se estabelecem devido ao fornecimento de alimentos e condições favoráveis de desenvolvimento. O objetivo foi registrar a ocorrência e danos de E. kraemeri, atacando um banco de germoplasma de batata doce no município de Diamantina, estado de Minas Gerais, Brasil. Injúrias foram causadas por E. kraemeri ao penetrar os estiletes no floema da planta, provocando manchas cloróticas nas folhas com posterior necrose. Este inseto tem o potencial de causar danos severos. Assim, é importante incluir E. kraemeri no manejo integrado de pragas da batata doce.
Keywords: integrated pest management; leafhopper; Ipomoea batatas
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