Results 31 to 40 of about 6,161 (248)

Diversity of two families Libellulidae and Coenagrionidae (Odonata) in Regional Institute of Education Campus, Bhubaneswar, Odisha, India

open access: yesJournal of Threatened Taxa, 2017
Libellulidae and Coenagrionidae are the most dominant families among dragonflies and damselflies.  The present study deals with the diversity, occurrence and present status of libellulids and coenagrionids within the Regional Institute of Education ...
Priyamvada Pandey   +1 more
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

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

The impacts of environmental warming on Odonata: a review [PDF]

open access: yes, 2008
Climate change brings with it unprecedented rates of increase in environmental temperature, which will have major consequences for the earth's flora and fauna.
Adams J.   +165 more
core   +1 more source

The first fossil representative of the extant clubtail dragonfly genus Lindenia from the mid-Miocene of Öhningen, Germany [PDF]

open access: yesActa Palaeontologica Polonica
Clubtail dragonfly Lindenia heeri sp. nov., is described and figured as the first fossil representative of the extant lindeniine genus Lindenia, based on a finely preserved forewing from the mid-Miocene lacustrine maar of Öhningen, Germany.
MATHIEU BODERAU   +3 more
doaj   +1 more source

New Distribution Records for Minnesota Odonata [PDF]

open access: yes, 2018
Several Minnesota state record Odonata, Aeshna subarctica, Ophiogomphus anomalus, Stylogomphus albistylus, Stylurus scudderi, and Coenagrion interrogatum are reported, along with notes on the distribution and habitat of Aeshna sitchensis.
Smith, William A, Steffens, Wayne P
core   +3 more sources

Differing Impacts of Livestock Farming and Ranching on Aquatic Insect Biodiversity: A Global Meta-Analysis. [PDF]

open access: yesGlob Chang Biol
This meta‐analysis investigates the impact of livestock farming and ranching on the abundance and richness of major aquatic insect orders. Livestock farming significantly reduced the richness of Ephemeroptera, Plecoptera, and Trichoptera. However, livestock farming did not significantly impact abundance, suggesting finite shifts in aquatic insect ...
Barnes LA   +5 more
europepmc   +2 more sources

Observations on the Nesting of \u3ci\u3eCrabro Tenuis\u3c/i\u3e (Hymenoptera: Sphecidae) [PDF]

open access: yes, 2017
Three nests of Crabro tenuis were studied during June 1971-1972 in Oswego County, New York. Females constructed shallow but lengthy, multicelled nests in sand with the cells being built in clusters, sometimes in series. Females plugged the entrances with
Kurczewski, Frank E, Miller, Richard C
core   +2 more sources

Form-function relationships in dragonfly mandibles under an evolutionary perspective [PDF]

open access: yes, 2017
© 2017 The Author(s). Functional requirements may constrain phenotypic diversification or foster it. For insect mouthparts, the quantification of the relationship between shape and function in an evolutionary framework remained largely unexplored.
Blanke, Alexander   +4 more
core   +2 more sources

New finding of Cordulegaster insignis Schneider, 1845 (odonata: cordulegastridae) in Serbia [PDF]

open access: yesKragujevac Journal of Science, 2023
During a field survey in 2021 in Southern Serbia, near the village of Strezovac, two specimens of Cordulegaster insignis Schneider, 1845 were found. This species is extremely rare in Serbia. The findings are located on the western border of its areal.
Đurđević Aca P.   +3 more
doaj  

Home - About - Disclaimer - Privacy