First record of Membracis juncta (Walker) (Hemiptera: Membracidae) in Tibouchina candolleana (Mart. ex DC.) (Melastomataceae)
Keywords:
ornamental plants, quaresmeira, piercing-sucking insects, treehoppersAbstract
Tibouchina candolleana (Mart. ex DC.) plants are used in urban reforestation in several cities because its height is compatible with power lines, as well as for its profuse flowering. However, it is susceptible to damage by several insects. Here we provide the first report of Membracis juncta (Walker) (Hemiptera: Membracidae) attacking T. candolleana plants in Diamantina, Minas Gerais, Brazil. Eggs, nymphs, and adult insects of M. juncta were found apically, feeding on young, tender tissues. Their feeding resulted in necrosis on leaves.
Sumário
Plantas de Tibouchina candolleana (DC.) Cogn são utilizadas na arborização urbana de diversas cidades pela altura compatível com a rede elétrica e exuberância floral. Além disso, esta espécie possui compostos que apresentam atividade microbiana, podendo também, ser utilizadas no reflorestamento de áreas degradadas. Este trabalho relata o primeiro registro de ocorrência do Hemiptera Membracis juncta atacando plantas de T. candolleana no Brasil, que compõem a arborização urbana de Diamantina, estado de Minas Gerais. Foram constatados insetos adultos, ninfas e ovos de M. juncta nas partes jovens e tenras das plantas. Bem como, pontos necrosados nas folhas, decorrentes do hábito alimentar sugador destes insetos.
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- Figure 2. Membracis juncta (Walker, 1858) (Hemiptera: Membracidae) A. Adult B. Nymph C. Egg D. Waxy coverage on the eggs. Diamantina, Minas Gerais, Brazil, 2015.
- Figure 1. A. Tibouchina candolleana (DC.) Cogn (Melastomataceae) infested by Membracis juncta (Walker, 1858) (Hemiptera: Membracidae). Diamantina, Minas Gerais, Brazil, 2015; B. Association of M. juncta to Trigona spinipes F., 1793 (Hymenoptera: Apidae).
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