نتایج جستجو برای: chironomidae

تعداد نتایج: 1269  

Journal: :The Journal of experimental biology 2008
Amit Lerner Nikolay Meltser Nir Sapir Carynelisa Erlick Nadav Shashar Meir Broza

Chironomids (Diptera: Chironomidae; non-biting midges) are known to be carriers of the Vibrio cholerae bacterium, responsible for the fatal cholera disease in humans. It was recently discovered that chironomid females choose their oviposition site by a visual cue. In this study, we test the hypothesis that this visual cue is the linear polarization of light reflected from the water surface. We ...

2004
N. M. CONNOLLY M. R. CROSSLAND R. G. PEARSON

The effect of different dissolved oxygen (DO) concentrations on the macroinvertebrate assemblages from 2 Australian tropical streams (1 upland, 1 lowland) was measured using artificial stream mesocosms. Responses to 5-d exposures were tested. Both the upland and lowland assemblages showed a similar response. Most taxa tolerated all but very low DO levels ( 10% saturation), although a reduction ...

Journal: :Zootaxa 2016
Sofia Wiedenbrug Fabio Laurindo Da Silva

The genus Diplosmittia was erected by Sæther (1981) based on Diplosmittia harrisoni from St. Lucia and St. Vincent in the British West Indies. Prior to the present study the genus comprised nine species, all except D. carinata Sæther were known only from Neotropical Region (Ashe & O'Connor, 2012). During sampling in the surroundings of a highly organic polluted river, in the National Botanical ...

2014
Wenbin Liu Xiaolong Lin Xinhua Wang

The Rheocricotopus (Psilocricotopus) chalybeatus species group from China is reviewed. Three new species, R. (P.) brochus sp. n., R. (P.) rotundus sp. n. and R. (P.) serratus sp. n. are described as adult males. R. (P.) imperfectus Makarchenko & Makarchenko, 2005, R. (P.) robacki (Beck & Beck, 1964) and R. (P.) valgus Chaudhuri & Sinharay, 1983 are recorded from China for the first time and ann...

Journal: :Brazilian journal of biology = Revista brasleira de biologia 2002
M Callisto F A R Barbosa P Moreno

The influence of Eucalyptus plantations on the structure and composition of macroinvertebrate communities associated with the aquatic fern Salvinia auriculata Aublet were investigated in a high altitude lake bordered by either secondary Atlantic forest or Eucalyptus plantations. Comparisons of the diversity of Chironomidae (Diptera, Insecta) larvae in the littoral zone between these two vegetat...

Journal: :Brazilian journal of biology = Revista brasleira de biologia 2014
C M M Butakka F H Ragonha A M Takeda

The niche overlap between trophic groups of Chironomidae larvae in different habitats was observed between trophic groups and between different environments in Neotropical floodplain. For the evaluation we used the index of niche overlap (CXY) and analysis of trophic networks, both from the types and amount of food items identified in the larval alimentary canal. In all environments, the larvae...

Journal: :Zootaxa 2014
Lívia Maria Fusari Carolina Ferraz Bellodi Carlos José Einicker Lamas

Oukuriella Epler, 1986 is an exclusively Neotropical genus that comprises two well supported clades: inhabitants of freshwater sponges and inhabitants of immersed wood (saproxylophilic). In this work, males of a new chironomid species, Oukuriella froehlichi sp. n., are described and illustrated. Specimens were collected near stream in the Brazilian Atlantic Forest. Phylogenetic analyses perform...

Journal: :Zootaxa 2013
Luiz Carlos Pinho Humberto Fonseca Mendes Trond Andersen

The genus Beardius Reiss et Sublette, 1985 is revised and twenty new species, Beardius abbadi sp. n., B. arawak sp. n., B. bizzoi sp. n., B. bucephalus sp. n., B. curticaudatus sp. n., B. dioi sp. n., B. hirtidorsum sp. n., B. krenak sp. n., B. kumadueni sp. n., B. longicaudatus sp. n., B. mileneae sp. n., B. nebularius sp. n., B. neusae sp. n., B. novoairensis sp. n., B. phoenix sp. n., B. sap...

Journal: :Zootaxa 2014
Fabio Laurindo Da Silva Sofia Wiedenbrug Caroline Silva Neubern De Oliveira

Whilst sorting Malaise trap material from Pantanal, in western central Brazil, a not readily identifiable species of Denopelopia Roback et Rutter, were found. This genus has no formal species described or recorded in Brazil, except for a larval morphotype recorded by Trivinho-Strixino & Strixino (1995). According to Ashe & O ́Connor (2009), Denopelopia comprises 4 species known from the Nearctic...

2016
Viktor Baranov Jörg Lewandowski Stefan Krause

While lakes occupy less than 2% of the total surface of the Earth, they play a substantial role in global biogeochemical cycles. For instance, shallow lakes are important sites of carbon metabolism. Aerobic respiration is one of the important drivers of the carbon metabolism in lakes. In this context, bioturbation impacts of benthic animals (biological reworking of sediment matrix and ventilati...

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