98 research outputs found

    Jeepiulus flavus gen. nand sp. n. (Hemi ptera, Auchenorr hyncha, Cicadellidae) from Mato Grosso and Rondonia, Brazil

    Get PDF
    Jeepiulus flauus gen. nand sp. n. (Hemiptera, Auchenorrhyncha, Cicadellidae) is described from Mato Grosso and Rondonia, Brazil. This genus is similar to Alocha Melichar andAlbiniana Cavichioli, however, Jeepiulus gen. n. has its head produced and male genitalia with paraphyses

    Biologia e morfologia de Kanaima fluvialis (Lallemand, 1924) (Homoptera-Cercopidae)

    Get PDF
    Orientador: Prof. Dr. Albino Morimasa SakakibaraDissertação (mestrado) - Universidade Federal do Paraná, Curso de Pós-Graduação em Ciências Biológicas (Entomologia)Inclui referências: p. 81-84Área de concentração: EntomologiaResumo: Neste trabalho, apresentamos a biologia e morfologia de Kanaima fluvialis (Lallemand, 1924) (Homoptera-Cercopidae), cigarrinha que vive sobre o Eryngium eburneum Dcne (Umbelliferae-Apioideae) , muito disseminada em Curitiba e arredores. Parte das observações relativas a biologia foi realizada em laboratorio e, paralelamente, foi feito um acompanhamento no campo. 0 ciclo de vida desta cigarrinha repete-se, praticamente, duas vezes por ano, com um período médio de 137 dias. Estudamos o comportamento dos adultos e das ninfas, duração de cada instar, a formação da espuma, a quantidade de ninfas por espuma e o processo de muda. Quanto aos adultos, constatamos que os machos, em geral, emergem pouco antes das fêmeas, e sua longevidade ê menor. Os ovos são colocados nas folhas secas que ficam na base da planta, junto ao solo. O parasitismo de ovos por Acmopolynema hervali Gomes, 1948 (Hymenoptera-Mymaridae) , ocorreu numa porcentagem de 35,028%. No estudo da morfologia, detivemo-nos somente nas estruturas externas dos adultos, baseamo-nos principalmente nos trabalhos de SNODGRASS e MATSUDA; para as asas e escleritos axilares nos trabalhos de HAMILTON. Descrevemos o gênero e as três espécies com ocorrência no Brasil, com um breve histórico e novos dados sobre a distribuição geográfica das mesmas.Abstract: A study of the biology and morphology of the spittlebug Kanaima ftuviatis (Lallemand, 1924) (Homoptera-Cercopidae) was made. This species is very common in Curitiba and surroundings, living on Eryngium ebumeum Dene (Umbelliferae-Apioideae). Its life cycle averaged 137 days, with two generations in a year. Part of the observations on the biology was made in laboratory and, at the same time, also in the field. We studied the behavior of the adult and nymphs on the host plant, duration of each instar, the spittle formation, the number of nymphs in a spittle and the moulting process. We observed that, commonly, the males appear first and females a little later. The males, on the other hand, have a shorter life. The eggs are inserted near the base of the old and or dead leaves, close to the ground. Acmopolynema hervali Gomes, 1948 (Hymenoptera-Mymaridae) was the egg parasite we found occurring in a relatively high percentage (35,028%). On the morphology, we made a detailed study of the external part of the adult. Finally, we redescribed the genus and three known species from Brazil, with new data for geographical distribution

    Magnana, a new genus of Gyponini from Southeastern Brazil (Hemiptera: Cicadellidae: Iassinae)

    Get PDF
    A new leafhopper genus in the tribe Gyponini is proposed based on Magnana splendida gen. nov. et sp. nov., from the state of Rio de Janeiro, Brazil. Representatives of the new genus differ from other genera in the tribe mainly by the large body size, the narrow head, moderately produced anterad, the rugose crown and frons, the ventral surface of metatarsomere I with two double rows of setae, and the aedeagus bearing atrial processes. Detailed descriptions and illustrations are provided, as well as remarks on the morphology of other gyponine genera

    A new species of Marganana (Declivana) (Hemiptera: Cicadellidae: Gyponini), the first record of the genus from Brazil

    Get PDF
    Marganana DeLong, 1948 currently includes three species known to occur in the United States, Mexico and Guyana. In this paper, we describe a new species from Brazil – Marganana (Declivana) tetramaculata sp. nov. – which represents the first record of this genus for the country. A revised diagnosis of the subgenus Declivana is provided, along with detailed descriptions and illustrations of males and females of the new species. A key to the four species of Marganana is also provided
    corecore