Results 101 to 110 of about 10,574 (214)

Ephemeroptera, Plecoptera and Trichoptera assemblages from riffles in mountain streams of Central Brazil: environmental factors influencing the distribution and abundance of immatures

open access: yesBrazilian Journal of Biology
The influence of environmental factors on the distribution of Ephemeroptera, Plecoptera and Trichoptera (EPT) immatures was investigated in streams of the Brazilian Center-West (Serra do Pireneus, Pirenópolis, State of Goiás). The insects were sampled by
P. C. Bispo   +3 more
doaj   +1 more source

Stoneflies (Plecoptera) from Greece and neighbouring countries

open access: yes, 1978
55 species from Greece, 3 species from Cyprus and several unidentified and doubtful taxa are presented in this study. 15 species and 5 subspecies are new to science, while 2 former species have been downgraded to subspecies level.
Zwick, P.
core  

Life cycle of Dinocras cephalotes and Perla grandis (Plecoptera: Perlidae) in different temperature regimes

open access: yes, 1997
Results from field and laboratory studies on Dinocras cephalotes and Perla grandis were used to model their life cycle length under different temperature regimes. In the prealpine River Necker, the life cycle of D. cephalotes takes three years.
Frutiger, Andreas (author)   +1 more
core  

Redescubrimiento de Neopentura semifusca (Plecoptera: Gripopterygidae), descripción del imago macho, redescripción de la hembra y la ninfa Rediscovery of Neopentura semifusca (Plecoptera: Gripopterygidae), description of the male imago, redescription of the female and the nymph

open access: yesRevista de la Sociedad Entomológica Argentina, 2006
Se describen ambos sexos y la ninfa de Neopentura semifusca Illies, 1965. El macho es descrito por primera vez. La ninfa corresponde a la «Ninfa A» descrita tentativamente por Illies para Araucanioperla . Se discute la clasificación a nivel de subfamilia
Alejandro Vera
doaj  

The Stoneflies (Plecoptera) of Oklahoma [PDF]

open access: yes, 1972
Distributional data and taxonomic keys art presented for thirty-four species of Plecoptera known to occur in Oklahoma. Ten species are new records for the state.
Stark, William P.
core  

How do different modalities of land use practices impact the environmental features and macroinvertebrates? An assessment of mountain streams from Patagonia, Argentina

open access: yesEnvironmental Advances
Agricultural intensification is a significant process, transforming the land and modifying stream water quality and biodiversity. Land-use practices are associated with substantial changes in vegetation structure, significant inputs of nutrients, erosion,
C.N. Horak   +4 more
doaj   +1 more source

Winter stoneflies (Plecoptera) of New Mexico [PDF]

open access: yes, 1983
Twenty-two species of winter emerging Plecoptera were collected in New Mexico from 1979 to 1982. Distributional records are given for 13 that are new state records, including 2 new species, and 9 previously reported ...
Jacobi, Gerald Z., Baumann, Richard W.
core  

The Plecoptera of Panama. IV. Description of the last nymphal instar for two species of Anacroneuria Klapálek (Plecoptera: Perlidae) from the Caldera River, Chiriquí, Panamá

open access: yes, 2019
Castillo Sánchez, Kayla N., Aguirre, Yusseff P., Ríos González, Tomás A., Bernal Vega, Juan A. (2019): The Plecoptera of Panama. IV. Description of the last nymphal instar for two species of Anacroneuria Klapálek (Plecoptera: Perlidae) from the Caldera ...
Castillo Sánchez, Kayla N.   +3 more
core   +1 more source

Lengthmass relationships for macroinvertebrates in freshwater environments of Patagonia (Argentina)

open access: yesEcología Austral, 2001
Mass-length equations were obtained for aquatic macroinvertebrates collected in di ferent streams and rivers of Patagonia, Argentina. Thirty six taxa were studied: Plecoptera (10 species), Ephemeroptera (3 species, 3 genera), Trichoptera (4 species, 1 ...
María L. Miserendino
doaj  

Heterogeneity of fresh-water Patagonian ecosystems

open access: yesEcología Austral, 1998
The wide diversity of Patagonian freshwater ecosystems may be classified into three groups: glacial Andean lakes, Extra-andine closed depressions, and rivers and man-made lakes.
Beatriz E. Modenutti   +4 more
doaj  

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