Results 21 to 30 of about 5,037 (252)

Effect of a dragonfly (Bradinopyga strachani Kirby, 1900) on the density of mosquito larvae in a field experiment using mesocosms [PDF]

open access: yesWeb Ecology, 2018
Laboratory experiments with food-deprived larvae of odonates suggested that these predators may have the potential to control mosquito populations. However, it remains unclear whether larvae of odonates co-occur with mosquito larvae in the field and ...
D. Acquah-Lamptey, R. Brandl
doaj   +1 more source

A Preservative-Free Emergent Trap for the Isotopic and Elemental Analysis of Emergent Insects From a Wetland System [PDF]

open access: yes, 2018
This study reports a cost-effective, live emergent trap designed for the preservative-free use in both biogeochemical and ecological analyses of emerging insects. The trap proved to be advantageous in several ways.
Kaster, Jerry L, MacKenzie, Richard A
core   +2 more sources

Dragonflies and damselflies (Odonata) in urban ecosystems: A review

open access: yesEuropean Journal of Entomology, 2016
The expansion of urban areas is one of the most significant anthropogenic impacts on the natural landscape. Due to their sensitivity to stressors in both aquatic and terrestrial habitats, dragonflies and damselflies (the Odonata) may provide insights ...
Giovanna VILLALOBOS-JIMÉNEZ   +2 more
doaj   +1 more source

Plant structural complexity and mechanical defenses mediate predator-prey interactions in an odonate-bird system. [PDF]

open access: yes, 2017
Habitat-forming species provide refuges for a variety of associating species; these refuges may mediate interactions between species differently depending on the functional traits of the habitat-forming species.
Grof-Tisza, Patrick   +3 more
core   +2 more sources

Dragonflies and Damselflies (Odonata: Insecta) of the Bor Wildlife Sanctuary, Wardha, Maharashtra, Central India [PDF]

open access: yesTravaux du Muséum National d’Histoire Naturelle “Grigore Antipa”, 2020
Dragonfly and damselfly (Odonata) species diversity was studied in the Bor wildlife sanctuary from 2011 to 2018. A total of 72 species of odonates belonging to 8 families were recorded. The study adds three new species for the Vidarbha region.
Ashish Tiple
doaj   +3 more sources

Odon [PDF]

open access: yesNouvelles de l'estampe, 2010
« Guy Houdouin se presente chez ses amis peintres avec la douceur sensible et l’apparente innocence d’un saint de village. » Jean Bazaine Le parcours d’Odon est celui d’un commerce avec l’eternite (un voyage tres reel de quatre minutes de mort clinique avec retour a la case depart).
openaire   +1 more source

Historical changes in the phenology of British Odonata are related to climate [PDF]

open access: yes, 2007
Responses of biota to climate change take a number of forms including distributional shifts, behavioural changes and life history changes. This study examined an extensive set of biological records to investigate changes in the timing of life history ...
Ando H   +34 more
core   +1 more source

First report of underwater oviposition by the island bluetail damselfly, Ischnura genei (Zygoptera, Coenagrionidae)

open access: yesNatural History Sciences, 2021
Among odonates that exhibit endophytic oviposition, a few, mostly damselflies, are known to be able to perform underwater oviposition. Among them, just a few species do so very frequently. Here I report the first observation of underwater oviposition for
Enrico Schifani
doaj   +1 more source

The Odonata of Isle Royale, Michigan [PDF]

open access: yes, 2017
This paper presents a list of the Odonata recorded from Isle Royale National Park, located in northwestern Lake Superior. Collections from Isle Royale include 38 species of Anisoptera and 12 species of Zygoptera. The list is typical of the boreal regions
Van Buskirk, Josh
core   +2 more sources

The dragonfly Libellula quadrimaculata (Odonata: Libellulidae) makes optimal use of the dorsal fovea of the compound eyes during perching

open access: yesEuropean Journal of Entomology, 2003
We studied visual orientation and perching behaviour of a territorial libellulid dragonfly species, Libellula quadrimaculata. The studies were performed during sunny, cloudless conditions at a pond in southern Styria, Austria, from May to July of 2001 ...
Manuela SAUSENG   +2 more
doaj   +1 more source

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