Results 81 to 90 of about 5,450 (180)

Contribution to the Odonata of the Kingdom of Tonga [PDF]

open access: yes, 2013
New data on the Odonata fauna of the Kingdom of Tonga is provided following re-search carried out on Tongatapu and 'Eua islands in July 2012. New localities for Tongatapu Island are put on record and previous studies are compared with new pheno-logical ...
Marinov, Milen
core  

The potential contribution of flood management ponds to pondscape biodiversity: Evidence from dragonflies

open access: yesEcological Solutions and Evidence, Volume 6, Issue 3, July–September 2025.
The creation of ponds to alleviate the impacts of floods has the potential to support freshwater biodiversity. Our study investigates the ecological value of ponds created for Natural Flood Management as part of the Eddleston Water Project, in the Scottish Borders (UK).
Julie C. Fahy   +3 more
wiley   +1 more source

The water mites (Acari: Hydrachnidia) of the standing waters of Corsica, Sardinia and Sicily: review and new data [PDF]

open access: yes, 2014
A compilation of our present knowledge of the water mites (Acari: Hydrachnidia) adapted to life in standing waters on the three large islands in the western Mediterranean (Corsica, Sardinia and Sicily) is provided.
Dossena, M   +4 more
core   +2 more sources

Odonata Recorded in the Buffer Zone of Mt. Hamiguitan Range Wildlife Sanctuary with Remarks on the Distribution of Endangered Risiocnemis antoniae in Davao Oriental Philippines

open access: yesNotulae Scientia Biologicae, 2018
Mt. Hamiguitan Range Wildlife Sanctuary is both a UNESCO and ASEAN recognised heritage site. There is a current move to expand the site by expanding the buffer zone. This area unfortunately is poorly studied in terms of its biodiversity.
Milton Norman Dejadena MEDINA   +3 more
doaj   +1 more source

Odonata de los Esteros del Iberá (Corrientes, Argentina): inventario preliminar y biodiversidad [PDF]

open access: yes, 2008
A preliminary inventory of the Odonata from Iberá Wetlands and their area of influence (Corrientes, Argentina) is presented. Different kinds of environments were surveyed in seven localities.
Garré, Analía   +7 more
core   +1 more source

Wings of Coenagrion puella vary in shape at the northern range margin (Odonata: Coenagrionidae) [PDF]

open access: yes, 2008
A previous study has shown that wing size in Coenagrion puella varied considerably along a latitudinal gradient in the UK. Using landmark data from wing images, patterns of shape variation were also determined along the same transect by geometric ...
Harvey, IF, Hassall, C, Thompson, DJ
core   +1 more source

Scientists' warning on the need for greater inclusion of dragonflies in global conservation

open access: yesInsect Conservation and Diversity, Volume 18, Issue 4, Page 465-484, July 2025.
Stressors to dragonflies are multiple, and in many cases interactive. Specialist species are at risk, while generalists can benefit from some human activities. Dragonflies are sentinels for conservation, being promising surrogates for other taxa while also being appealing to citizen science initiatives.
Michael J. Samways   +27 more
wiley   +1 more source

Intraspecific predation in immature Coenagrion puella (L.): a switch in food selection? (Zygoptera: Coenagrionidae) [PDF]

open access: yes, 1997
Observations on cannibalism in outdoor insectaries are presented. The behavioural interactions are described. Cannibalism (in both sexes) occurred only during periods of cold weather.
Kröger, C., Rolff, Jens
core   +1 more source

A revised and updated Odonata checklist of Samoa (Insecta: Odonata) [PDF]

open access: yes, 2013
Odonata records of the Samoan Archipelago are updated and an updated checklist provided. It is part of an ongoing assessment of the fauna, taxonomy and distributionof the Pacific island dragonflies. The checklist follows recent reviews published/prepared
Chinn, Warren   +4 more
core  

Odonata of Ayer Hitam Forest Reserve, Johor, Peninsular Malaysia [PDF]

open access: yes, 2013
Odonata records from Ayer Hitam Forest Reserve and the surrounding area in Johor, Peninsular Malaysia are presented. A total of 44 Odonata species from eight families were collected in the area in October 2012.
Cheah, Denise S. L., Choong, Chee Yen
core  

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