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Taxonomia e distribuição geográfica de Notonectidae (Hemiptera: Nepomorpha) nos estados do Amazonas, Pará, Rondônia e Roraima, BrasilBarbosa, Julianna Freires 11 March 2010 (has links)
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Previous issue date: 2010-03-11 / Conselho Nacional de Pesquisa e Desenvolvimento Científico e Tecnológico - CNPq / Until this study, 24 species of Notonectidae, from the genera Martarega White, 1879,
Notonecta Linnaeus, 1758 and Buenoa Kirkaldy, 1904 had records restricted mainly to the
states of Amazonas and Pará in political Northern Brazil. The area of this study comprised 44
municipalities in the states of Roraima, Amazonas, Pará and Rondônia. This work raised to 33
the number of known species in the region: 21 known species were found, 7 species recorded
through literature, 3 new species of Martarega and 2 of Buenoa have been described.
Martarega brasiliensis Truxal, 1949 and B. salutis Kirkaldy, 1904 constitutes the first records
in the State of Roraima. Buenoa platycnemis (Fieber), 1851, B. femoralis (Fieber), 1851 and
B. unguis Truxal, 1953 constitutes new records in the state of Amazonas. Martarega
uruguayensis (Berg), 1883, N. disturbata Hungerford, 1926, B. tibialis Truxal, 1957, B.
amnigenoidea Nieser, 1970 and B. truxali Nieser, 1968 constitutes new records in the State of
Pará, and B. macrotrichia Truxal, 1953 constitutes the first record in Brazil in this state.
Martarega uruguayensis and M. gonostyla Truxal, 1949 are new records in the State of
Rondônia, and B. truxali constitutes the first record of Buenoa in this state. Keys are provided
for identification of species that occur in the region, coupled with elucidating illustrations.
The distribution of species was revised due to numerous political changes and errors related to
label information. / Até o presente estudo, 24 espécies de Notonectidae dos gêneros Martarega White, 1879,
Notonecta Linnaeus, 1758 e Buenoa Kirkaldy, 1904 apresentavam registros restritos
principalmente aos estados do Amazonas e Pará na região política do Norte do Brasil. A área
deste estudo compreendeu 44 municípios dos estados de Roraima, Amazonas, Pará e
Rondônia. O presente trabalho elevou a 33 o número de espécies conhecidas na região: 21
espécies conhecidas foram encontradas, 7 espécies registradas através de levantamento
bibliográfico, 3 espécies novas de Martarega e 2 de Buenoa foram descritas. Martarega
brasiliensis Truxal, 1949 e B. salutis Kirkaldy, 1904 constituem os primeiros registros da
família no Estado de Roraima. Buenoa platycnemis (Fieber), 1851, B. femoralis (Fieber),
1851 e B. unguis Truxal, 1953 constituem novos registros no Estado do Amazonas.
Martarega. uruguayensis (Berg), 1883, N. disturbata Hungerford, 1926, B. tibialis Truxal,
1957, B. amnigenoidea Nieser, 1970 e B. truxali Nieser, 1968 constituem novos registros no
Estado do Pará, sendo B. macrotrichia Truxal, 1953 registrado pela primeira vez no Brasil
neste Estado. Martarega. uruguayensis e M. gonostyla Truxal, 1949 constituem novos
registros no Estado de Rondônia, sendo B. truxali o primeiro registro de Buenoa no Estado.
São fornecidas chaves para identificação das espécies que ocorrem na região, aliadas a
ilustrações elucidativas. A distribuição das espécies foi revista devido a inúmeras alterações
políticas e erros relacionados às informações de etiquetas.
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Vliv fixace vodních ploštic (Heteroptera: Nepomorpha) na výsledky studia jejich růstu a variability / The influence of the fixation of water bugs (Heteroptera: Nepomorpha) on the results of their growth and variabilitySVOBODOVÁ, Kristýna January 2012 (has links)
The main task of this thesis was to investigate the influence of the preservation by ethyl alcohol and dry mounting on the morphometric characteristics of water bugs´ and to test the hypothesis that live individuals and individuals preserved by ethyl alcohol and dry mounted (both groups deal with individuals of the same species, sex and developmental stage) have the same morphometric parameters. The next task was to determine the effect of preparation by ethyl alcohol and dry mounting on the change of weight caused by different way of individuals´ preparation. Two model species of water bugs were chosen for this study: creeping water bug Ilyocoris cimicoides (Naucoridae) and backswimmer Notonecta glauca (Notonectidae). Weight and twelve other morphometric body characters were measured in adults of both sexes of both species. All data and their differences were tested by Student's paired t-test or nonparametric Wilcoxon test. The level of significance p = 0,05 was used for the decision whether the difference before and after preservation by ethyl alcohol and dry mounting is or is not statistically significant. Both preservation by ethyl alcohol and dry mounting influence only the body weight of treated individuals. Other morphometric characters are more or less independent on the way of preservation of water bugs´ individuals in collections. In this work, we also tested the effect of the Dyar rule for the increase in weight and size between different developmental stages of both species studied. Dyar rule for the evolution of both species was not verified. This project was supported by the grant of the Grant Agency of the Czech Republic No. P505/10/0096.
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