Results 81 to 90 of about 1,114 (199)

A marine water strider (Hemiptera: Veliidae) from Dominican amber [PDF]

open access: yes, 1998
A fossil water strider, Halovelia electrodominica sp. n., is described from the Oligo-Miocene Dominican amber based upon a couple seemingly trapped while they were mating.
George O. Poinar, N. Møller Andersen
core   +1 more source

Concurrent Phenologies of Three Semiaquatic Bugs (Heteroptera: Gerridae, Veliidae) on a Small River in Central Illinois, USA

open access: yesPsyche: A Journal of Entomology, 2009
The phenology of three species of Gerroidea (Heteroptera), Metrobates hesperius Uhler (Gerridae), Rhagovelia oriander Parshley (Veliidae), and Rhematobates tenuipes Meinert (Gerridae), was studied on a river in central Illinois (USA).
Steven J. Taylor
doaj   +1 more source

Ecology and life histories of two Alpine-Apenninic species of Velia (Hemiptera: Heteroptera: Veliidae)

open access: yesEuropean Journal of Entomology, 2012
Velia currens (Fabricius, 1794) and V. gridellii Tamanini, 1947 are two South European species of Veliidae, whose ecology and behaviour are poorly known.
Fabio CIANFERONI, Giacomo SANTINI
doaj   +1 more source

Effects of river regulation on aquatic invertebrate community composition: A comparative analysis in two southern African rivers

open access: yesEcology and Evolution, Volume 14, Issue 2, February 2024.
This study compared aquatic invertebrate communities between a regulated and unregulated river and sought to determine whether the largest inland lake of the region, which receives water from both rivers, resembles the aquatic invertebrate communities of either river.
Lizaan de Necker   +5 more
wiley   +1 more source

Diversidad y abundancia de macroinvertebrados acuáticos y calidad del agua de las cuencas alta y baja del río Gariché, provincia de Chiriquí, Panamá

open access: yesGestión y Ambiente, 2013
Se determinaron la diversidad y abundancia de macroinvertebrados acuáticos, así como la calidad del agua,en cuatro estaciones de muestreo ubicadas en las subcuencas alta y baja del río Gariché, durante la época seca (eneroa abril) y lluviosa (julio a ...
Tomás Ríos   +2 more
doaj   +2 more sources

Conservation implications of isotopic variation in nails and blood with wetland quality in three species of Australian freshwater turtle

open access: yesAquatic Conservation: Marine and Freshwater Ecosystems, Volume 34, Issue 1, January 2024.
Abstract Australian freshwater turtles are declining, reflecting global turtle trends. Understanding variation in turtle diets and habitat requirements can guide protection and restoration of ecosystems. Diet and niche overlap were investigated in three co‐existing species of turtle—the broad‐shelled turtle Chelodina expansa, the eastern long‐necked ...
Roxane J. Francis   +4 more
wiley   +1 more source

Veliidae Brulle 1836

open access: yes, 2017
FAMILY VELIIDAE BRULLÉ AXEL O. BACHMANN AND SILVIA A. MAZZUCCONI The Veliidae are the richest family of semiaquatic bugs in Argentina, with 30 recorded species in seven genera. This family probably has more representatives in the country than those listed below.
openaire   +2 more sources

A New American Genus of Veliidae (Hemiptera)

open access: yesThe Florida Entomologist, 1955
The present paper was prompted by the discovery of an interesting addition to the veliid fauna of the salt marshes in southernmost peninsular Florida. This proved to be the species originally described as Microvelia turmatis by Drake and Harris (1933) from British Honduras.
openaire   +1 more source

Concerning neotropical species of Rhagovelia (Veliidae: Hemiptera)

open access: yes, 1935
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
Drake, Carl J. (Carl John), Harris, H M
openaire   +1 more source

Stream Quality and Benthic Macroinvertebrate Diversity in the Badeye Area, Logone Occidental Province, Southwestern Chad

open access: yesInternational Journal of Ecology, Volume 2024, Issue 1, 2024.
The aim of this study of benthic macroinvertebrates in the southwestern canton of Badeye in Chad was to analyze the community structure in relation to the physicochemical quality of water in the Man baptem tributary. A total of 4,012 benthic macroinvertebrates were identified and counted in 38 families.
Djikoloum Beosso Theophile   +3 more
wiley   +1 more source

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