Results 1 to 10 of about 29,310 (324)

The Physiological Cost of Being Hot: High Thermal Stress and Disturbance Decrease Energy Reserves in Dragonflies in the Wild [PDF]

open access: yesBiology
Anthropogenic disturbance alters macro- and microclimatic conditions, often increasing ambient temperatures. These changes can strongly affect insects, particularly those experiencing high thermal stress (i.e., large differences between body and ...
Eduardo Ulises Castillo-Pérez   +5 more
doaj   +2 more sources

Numerical Investigation on the Aerodynamic Benefits of Corrugated Wing in Dragonfly-like Hovering Flapping Wing [PDF]

open access: yesBiomimetics
The effect of corrugated wings on the aerodynamic characteristics of a dragonfly-like hovering flapping wing is investigated using two-dimensional numerical simulations.
Arun Raj Shanmugam   +2 more
doaj   +2 more sources

Camera-trapping estimates of the relative population density of Sympetrum dragonflies: application to multihabitat users in agricultural landscapes [PDF]

open access: yesPeerJ, 2023
Although camera trapping has been effectively used for wildlife monitoring, its application to multihabitat insects (i.e., insects requiring terrestrial and aquatic ecosystems) is limited.
Akira Yoshioka   +10 more
doaj   +2 more sources

Development of a camera trap for perching dragonflies: a new tool for freshwater environmental assessment [PDF]

open access: yesPeerJ, 2020
Although dragonflies are excellent environmental indicators for monitoring terrestrial water ecosystems, automatic monitoring techniques using digital tools are limited. We designed a novel camera trapping system with an original dragonfly detector based
Akira Yoshioka   +6 more
doaj   +2 more sources

Dragonflies and Damselflies (Insecta: Odonata)

open access: yesEDIS, 2005
The order Odonata contains the dragonflies and damselflies and is one of the most popular insect groups. Odonates are popular with both the amateur and professional because they are large, colorful, easily observable and have exceptionally charismatic ...
Seth Bybee
doaj   +5 more sources

Dragonfly

open access: yesAnthropology and Humanism, 2022
This prose poem explores autobiography as a trace site for the affective encounters between life and non-life. Using my own memories of making a childhood bug collection, I attempt to answer a question Povinelli asks in Geontologies—What does life desire? —by merging it with a question raised in my own ethnographic fieldwork—What do I desire?
  +4 more sources

Diversity and Abundance Dragonflies (Odonata) at Mount Sigogor Nature Reserve Area, Ponorogo Regency, East Java, Indonesia

open access: yesJurnal Biota, 2021
Mount Sigogor Nature Reserve area is a mountainous tropical rain forest, administratively located in Pupus Village, Ngebel District, Ponorogo Regency, East Java, Indonesia. One of the main functions of this nature reserve is as a water catchment area for
Muhamad Azmi Dwi Susanto, Saiful Bahri
doaj   +1 more source

Dragonflies (Odonata) of the Nature Reserve Torozlín and water area Štrkáreň gravel-pit in the southwestern part of the Slovak Republic [PDF]

open access: yesActa Fytotechnica et Zootechnica, 2017
Over the period of the years 2014 and 2015 in the locality of nature reserve Torozlín and water area Štrkáreň gravel-pit being located at the village Komjatice, lying in the southwestern part of the Podunajská pahorkatina upland was evaluated the species
Mária Babošová   +2 more
doaj   +1 more source

Dragonflies of Moldova: an updated checklist of the Odonata fauna

open access: yesGeo&Bio, 2023
The present research compiles all known records of dragonflies in Moldova, including Transnistria (from the beginning of the 20th century until present), based on all known literature and other sources, and also the personal observations of the author in
Olena Dyatlova
doaj   +1 more source

Observation of heterospecific mating attempt of Blue Chaser Libellula fulva Müller, 1764 and Broad-bodied Chaser L. depressa Linnaeus, 1758 (Anisoptera: Libellulidae)

open access: yesNatura Sloveniae, 2023
A successful copula formation between a male of Libellula fulva and a female of L. depressa was documented photographically on 23. 6. 2022 at a small stream in the Natura 2000 site Ličenca pri Poljčanah in NE Slovenia.
Matjaž Bedjanič
doaj   +1 more source

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