Plecoptera


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Plecoptera

[plə′käp·tə·rə]
(invertebrate zoology)
The stoneflies, an order of primitive insects in which adults differ only slightly from immature stages, except for wings and tracheal gills.
References in periodicals archive ?
1998) citam que, em locais com maior contaminação por metais, as espécies mais sensíveis à poluição, como Ephemeroptera, Plecoptera e Trichoptera, são raras ou ausentes, e a abundância destes organismos pode ser utilizada como indicador da qualidade de sistemas aquáticos.
In Colombia, the order Plecoptera is represented by two families: Perlidae with three genera (Anacroneuria, Macrogynoplax and Klapalekia; Tamaris-Turizo et al.
Todas las ninfas de Plecoptera colectadas en la cuenca alta del rio Gaira durante el periodo de muestreo pertenecen al genero Anacroneuria (Perlidae) y se clasifican en cuatro morfo especies, las cuales se nombran provisionalmente como A.
New Alpine and Southern Plecoptera from New Zeland and a new classification of the Gripopterygidae.
Boulder Creek supported the most Ephemeroptera and Plecoptera.
2]) Taxa Station 1 Station 2 Station 3 Ephemeroptera 2,544 2,134 0 Baetidae 1,544 1,511 0 Leptohyphidae 467 256 0 Leptophlebiidae 533 367 0 Plecoptera (Perlidae) 400 178 144 Odonata (Libellulidae) 0 0 11 Megaloptera (Corydalidae) 11 0 0 Trichoptera 300 311 1,321 Hydropsychidae 11 67 611 Hydrobiosidae 78 33 44 Glossosomatidae 22 0 222 Hydroptilidae 167 800 422 Leptoceridae 22 11 22 Odontoceridae 0 0 0 Coleoptera 2,000 1,544 1,189 Elmidae 1,711 1,355 978 Psephenidae 289 189 144 Staphylinidae 0 0 11 Hydraenidae 0 0 56 Diptera 5,389 17,567 4,211 Ceratopogonidae 67 22 0 Tipulidae 144 0 0 Empididae 0 333 11 Simuliidae 78 156 222 Stratiomyidae 0 0 0 Chironomidae 5,100 17,056 3,978 Hemiptera 0 11 0 Naucoridae 0 0 0 Gerridae 0 0 0 Vebidae 0 11 0 Total 10,644 22,345 6,876 Density (ind x [m.
Diversos estudios explican como estos impactos afectan a las comunidades acuaticas, por lo tanto Plecoptera es uno de los grupos mas sensibles a la perturbacion (Merritt & Cummins 1996, Miserendino 2000).
Key words: Plecoptera, Gripopterygidae, Colombian fauna, Colombian insects.
This score was based on the high taxonomic richness of the area, in addition to the presence of a number of organisms that are sensitive to pollution and other anthropogenic impacts, such as larvae of the orders Plecoptera, Ephemeroptera, and Trichoptera.
Key words: Plecoptera, Anacroneuria, ecological tolerance, altitudinal range, body size, egg size, biological indexes.
2007) (EPT--Ephemeroptera, Plecoptera and Trichoptera; % CHOL--Chironomidae and Oligochaeta; BMWP--Biological Monitoring Working Party; ASPT--Average Score Per Taxon; CETEC--Centro Tecnologico de Minas Gerais; Col--Colombia).
Macroinvertebrate species richness, species richness of Ephemeroptera, Plecoptera and Trichoptera (EPT index), fish eggs and fish fry and selected taxa abundance were analyzed using a generalized linear mixed model (PROC MIXED, SAS Institute, 1997) with log link and a Poisson error distribution to test for differences between locations.