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      Description of a new, unusual species of Diestostemma Amyot & Serville (Hemiptera, Cicadellidae) from Ecuador

      ZooKeys

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          Abstract

          Diestostemma bicristata sp. nov., is described from Napo Province, Ecuador. It is unusual for the genus in lacking a visible white powdery covering, having raised, weakly reticulate veins on the forewing, a short metathoracic femur (half length of the metathoracic tibia), and is the only species with a double-crested pronotum.

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          Taxonomic study of the Cicadellinae (Homoptera: Cicadellidae). Part 1. Proconiini

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            Morfologia externa dos cicadellinae (homoptera, cicadellidae): comparação entre versigonalia ruficauda (walker) (cicadellini) e tretogonia cribrata melichar (proconiini), com notas sobre outras espécies e análise da terminologia

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              Espécies de cigarrinhas (Hemiptera, Cicadellidae, Cicadellinae) em pomares de citros da região de Bebedouro, SP, com descrição de uma espécie nova de Acrogonia Stål

              Sharpshooter leafhoppers (Hemiptera, Cicadellidae, Cicadellinae) in citrus groves of the area of Bebedouro, SP, with description of a new species of Acrogonia Stål. Sixteen species of Cicadellidae, subfamily Cicadellinae, were collected and identified: 11 of the tribe Cicadellini and five of the tribe Proconiini. The ten most common species, together with a new species, are characterized based on external morphology and male genitalia: Acrogonia citrina Marucci & Cavichioli sp. nov.; Bucephalogonia xanthophis (Berg, 1879); Dilobopterus costalimai Young, 1977; Ferrariana trivittata (Signoret, 1854); Hortensia similis (Walker, 1851); Macugonalia cavifrons (Stål, 1862); M. leucomelas (Walker, 1851); Oncometopia facialis (Signoret, 1854); Plesiommata corniculata Young, 1977 and P. mollicella (Fowler, 1900). The leafhopper samples were collected in citrus groves and in adjacent habitats (woods, swamp, cultivable plain, spontaneous vegetation of the grove, coffee crop and sugarcane) at the counties of Bebedouro and Monte Azul Paulista and in the district of Turvínia. The collecting methods were: insect net, yellow sticky cards, portable suction trap and Malaise trap. Identification keys were elaborated for the 16 species. There is a great diversity of Cicadellinae species in the citric groves. In the three areas sampled, it was collected a larger number of species of the tribe Cicadellini than of the tribe Proconiini. In the Bebedouro area, the vector species of Xylella fastidiosa, A. citrina sp. nov., B. xanthophis, D. costalimai and O. facialis, were collected in the citrus groves and in all adjacent habitats.
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                Author and article information

                Journal
                ZooKeys
                ZK
                Pensoft Publishers
                1313-2970
                1313-2989
                February 03 2020
                February 03 2020
                : 908
                : 31-37
                Article
                10.3897/zookeys.908.38477
                7010846
                32076374
                © 2020

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