Examinando por Materia "Anophelinae"

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  • Miniatura
    PublicaciónAcceso abierto
    Sobre a coleção de anophelinos brasileiros do Museu Nacional.
    (2013-07-08) Khouri, Adréa
    O objetivo primordial deste trabalho é reforçar a importância entomo-epidemiológica das espécies de Anopheles do Brasil, onde alguns de seus componentes são vetores de viroses e parasitoses de real importância médico-veterinária-sócio-sanitária. Por esta razão, cremos que a coleção que estamos reorganizando preencherá, certamente a grande lacuna de padrões específicos ora existentes, já que os espécimens colecionados serão classificados, não só por métodos e tecnologia por nós empregados, como também, através da cooperação de especialistas de outras Instituições Científicas Nacionais e Internacionais. A nossa coleção até o presente momento consta do seguinte material por nós examinados e devidamente catalogados, sendo que a informação sobre as localidades fixadas nos espécimens, estão restritas aos Estados que se encontram representados apenas pelas siglas, sem data e coletor, em etiquetas de cor branca e manuscritas.
  • Miniatura
    PublicaciónAcceso abierto
    Temperature effect on the phenotypic expression of characters of costal spots Nyssorhynchus triannulatus (Diptera: Culicidae: Anophelinae).
    (Universidad del Valle, 2021-03-03) González Obando, Ranulfo; Cárdenas Henao, Heiber; Marín Londoño, Omar Alejandro; Sociedad Colombiana de Entomología - Socolen; Universidad del Valle; Montoya Lerma, James
    In this study, the effect of temperature on the phenotypic expression of size, elongation (length/width) and costal wing spots among families, progenies and sexes was evaluated through traditional morphometry in populations of Nyssorhynchus triannulatus from southern Colombia. In the progenies of 11 families, obtained at 20, 24 and 28 °C the wings showed four costal spots patterns. Pattern I was present in all three breeding temperatures with the highest frequency. Within families, the average length/width of wing ratio was significantly higher in males than females, while the variation by sex of this character was similar. Among the families, the temperature had variable influence on the sizes of wings and costal spots. Within the components of phenotypic variation, the breeding temperature had no significant detectable effect on the length of the wing and several of the analyzed characters; however, the proportion of the subcostal pale spot length over the length of the distal sector dark spot (SCP/DSD) was the most sensitive to temperature changes. The genetic contribution of the wing size and the measured characters length, as well as the effect of the families (origin) on the phenotypic variation, was significant for almost all the characters analyzed. The effect of the sexes on the phenotypic variation of the studied characters was significant only for some characters, while there were few significant interactions between the three factors analyzed (temperature, family and sex) with a low effect on the phenotypic variation.