Results 71 to 80 of about 44,119 (311)

Diversity of UV Reflection Patterns in Odonata

open access: yesFrontiers in Ecology and Evolution, 2020
Dragonflies and damselflies (Odonata) are large-eyed diurnal insects that exhibit a variety of color patterns on their wings and/or bodies. Because Odonata can perceive light with wavelengths extending from ultraviolet (UV) to red, the color patterns ...
Ryo Futahashi
doaj   +1 more source

Spatially‐explicit foraging by an apex predator linked to nearshore prey and their accessibility in lakes

open access: yesOikos, EarlyView.
Habitat coupling – where mobile predators forage over broad spatial scales and, in doing so, link food webs from semi‐discrete habitat patches – has emerged as a major structuring force in lake ecosystems. For the cold‐water apex predator lake trout Salvelinus namaycush, food‐web structure and morphometry‐driven accessibility to nearshore areas in ...
Tazi H. Rodrigues   +2 more
wiley   +1 more source

Occurrence of Libellulid Dragonflies (Odonata: Libellulidae) in Southeastern Michigan and Adjacent Essex County, Ontario [PDF]

open access: yes, 2017
During 1994-1995 extensive field work was conducted in southeastern Michigan in an attempt to assess the species population and composition of libellulid dragonflies.
Kielb, Michael A
core   +3 more sources

Does the habitat structure control the distribution and diversity of the Odonatofauna?

open access: yesBrazilian Journal of Biology
The statement that the habitat complexity and structure govern the abundance and diversity of biological communities has been widely investigated. In this context, we assumed the hypothesis of habitat heterogeneity, that is, the higher habitat complexity
AM Souza   +3 more
doaj   +1 more source

Odonata: Who They Are and What They Have Done for Us Lately: Classification and Ecosystem Services of Dragonflies

open access: yesInsects, 2019
Odonata (dragonflies and damselflies) are well-known but often poorly understood insects. Their phylogeny and classification have proved difficult to understand but, through use of modern morphological and molecular techniques, is becoming better ...
M. May
semanticscholar   +1 more source

Impacts of Habitat Management on Larvae of the Damselfly Coenagrion mercuriale (Coenagrionidae, Odonata)—A Laboratory Study

open access: yesRiver Research and Applications, EarlyView.
ABSTRACT Habitat management of small lotic waterbodies is essential to maintain flow and the quality of the habitats. For this purpose, aquatic plants are typically removed by authorities. This is done in a more or less disruptive manner, depending on the risk of interference with the bed.
Isabelle Idilbi   +2 more
wiley   +1 more source

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  

\u3ci\u3eLibellula Flavida\u3c/i\u3e (Odonata: Libellulidae), a Dragonfly New to Ohio [PDF]

open access: yes, 2018
Libellula flavida, a widespread but uncommon dragonfly of southeastern and south central North America, is now recorded from Ohio.
Schultz, Tom D
core   +2 more sources

OdoBD: An online database for the dragonflies and damselflies of Bangladesh.

open access: yesPLoS ONE, 2020
Combining scientific data over a long-time period is necessary for generating large-scale datasets, which are an essential component of comparative analysis for understanding evolutionary processes.
Md Nur Ahad Shah, Md Kawsar Khan
doaj   +1 more source

Temperature‐body size responses in insects: a case study of British Odonata

open access: yes, 2020
1. Body size is highly correlated with physiological traits, fitness, and trophic interactions. These traits are subject to change if there are widespread reductions of body size with warming temperatures, which is suggested as one of the ‘universal ...
Rungtip Wonglersak   +4 more
semanticscholar   +1 more source

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