Results 41 to 50 of about 299 (126)

An unexpected record of Simothraulopsis Demoulin, 1966 (Ephemeroptera, Leptophlebiidae) in the Paraná Basin, Brazil [PDF]

open access: yesCheck List, 2019
We recorded for the first time the occurrence of the mayfly genus Simothraulopsis Demoulin, 1966 in the Paraná Basin. Adults of Simothraulopsis demerara (Traver, 1947) and Simothraulopsis diamantinensis Mariano, 2010 were collected using a ...
Luiz R. R. Faria, Frederico F. Salles
doaj   +3 more sources

Length–Dry Mass Relationships of Aquatic Insects: Geographic and Taxonomic Variation in a Digital Database

open access: yesFreshwater Biology, Volume 70, Issue 7, July 2025.
ABSTRACT Aquatic insects are an abundant, yet declining, taxonomically heterogeneous group with special importance in both aquatic and terrestrial ecosystems. Accurate estimations of insect biomass during their aquatic life stages are essential to advance our fundamental knowledge about insects, their roles in ecosystems, and their vulnerability to ...
Casper H. A. van Leeuwen   +4 more
wiley   +1 more source

Thraulodes bolivianus, una nueva especie de la familia Leptophlebiidae (Insecta: Ephemeroptera) de Bolivia

open access: yesActa Zoológica Lilloana, 1986
Se describe e ilustra una nueva especie de Thraulodes, T. bolivianus. Este es el primer registro de la familia Leptophlebiidae de Bolivia.
Eduardo Domínguez
doaj  

Spatiotemporal assessment of benthic macroinvertebrate communities in the Bermejo River Basin in the Ecuadorian Amazonia

open access: yesLimnology and Oceanography Letters, Volume 10, Issue 3, Page 371-380, June 2025.
Abstract The Cofán communities rely on the Cofán Bermejo Ecological Reserve for their survival and cultural practices. Due to the rugged and inaccessible topography of the reserve in the Northern Ecuadorian Amazon region, limited biomonitoring and ecological characterization studies of the ecosystem health have been conducted.
Federico Sinche Chele   +8 more
wiley   +1 more source

Alimentación ninfal de Leptophlebiidae (Insecta: Ephemeroptera) en el Caño Paso del Diablo, Venezuela

open access: yesRevista de Biología Tropical, 2001
Los hábitos alimentarios de ninfas acuáticas de 12 especies de la familia Leptophlebiidae fueron determinados en un río intermitente tropical en Venezuela. Se tomaron tres muestras mensuales de insectos acuáticos desde enero hasta junio en 1989.
Carlos Luis Bello C.   +1 more
doaj  

Under Pressure: Macroinvertebrate Community Responses to Agriculture in Temporary Streams

open access: yesFreshwater Biology, Volume 70, Issue 5, May 2025.
ABSTRACT Temporary streams dominate global river networks and thus often occur in catchments dominated by agricultural land uses. Drying and agriculture can exert similar stressors on aquatic communities, for example, by decreasing dissolved oxygen concentrations and increasing fine sediment deposition.
Kieran J. Gething   +5 more
wiley   +1 more source

El género Thraulodes (Ephemeroptera: Leptophlebiidae) en la República Argentina

open access: yesActa Zoológica Lilloana, 1987
Se describen e ilustran cuatro nuevas especies del género Thraulodes, y asimismo se incluyen en una clave con las dos antiguas especies conocidas, que se redescriben. Se brindan numerosos datos biológicos.
Eduardo Domínguez
doaj  

Geographic range extension to Wyoming, USA, for Paraleptophlebia praepedita (Eaton, 1884) (Insecta: Ephemeroptera: Leptophlebiidae) [PDF]

open access: yesCheck List, 2012
New distribution data from Carbon Co., Wyoming, extend the USA range of Paraleptophlebia praepedita (Eaton, 1884) westwards, with the nearest records being from eastern Iowa, Minnesota and Missouri.
Ashley Garlick   +2 more
doaj   +3 more sources

Seasonal Evaluation of Ephemeroptera (Insecta) Fauna of Eastern Mediterranean Basin and Determination of Water Quality With Physicochemical Parameters and Benthic Metrics

open access: yesEcohydrology, Volume 18, Issue 3, April‐May 2025.
ABSTRACT This study evaluates the Ephemeroptera fauna and water quality in the Eastern Mediterranean Basin using physicochemical variables and benthic metrics, offering an ecological water quality analysis. Fieldwork conducted during the spring, summer and autumn of 2019 across 20 localities revealed 965 individuals belonging to 17 species from seven ...
Selda Öztürk   +2 more
wiley   +1 more source

Twenty-One Mayfly Gynandromorphic Cases from China

open access: yesDiversity
Gynandromorphism of mayfly has unique biological and scientific value. However, most cases of previous studies on this phenomenon were from Europe and America, with only two cases reported from China.
Jing Li   +4 more
doaj   +1 more source

Home - About - Disclaimer - Privacy