Results 31 to 40 of about 468 (108)

Integrating eDNA and community science to monitor urban Odonata diversity

open access: yesInsect Conservation and Diversity, Volume 19, Issue 1, Page 84-92, January 2026.
Environmental DNA captured rare and underrepresented taxa often missed by community science observations. Community science revealed adult‐stage observations across a broader temporal window. Integrating both methods improved detection across life stages, seasons, and species prevalence.
Rhema Uche‐Dike   +25 more
wiley   +1 more source

PANGIUM SP. LEAF EXTRACT AS BIOPESTICIDE ON BRASSICA OLERACEA PLANT IN NORTH SULAWESI PROVINCE, INDONESIA [PDF]

open access: yesScientific Papers Series : Management, Economic Engineering in Agriculture and Rural Development, 2021
Pangium sp. has the potential to be developed as a biopesticide because it has the ability to inhibit the activity of several types of insect pests. In this study, pangium leaf extract and pesticide were applied to Brassica oleraceae cabbage farms; to ...
Eva L. BAIDENG   +5 more
doaj  

Diversification and evolution of Hawaiian Megalagrion damselflies (Pinapinao, Odonata: Coenagrionidae) Ka Ho‘omāhuahua a me ke Kumu Ho‘omohala o nā Pinapinao Megalagrion o Hawai‘i (Odonata: Coenagrionidae)

open access: yesSystematic Entomology, Volume 51, Issue 1, January‐March 2026.
The ancestor of today's pinapinao, Hawaiian Megalagrion damselflies, diverged from Ischnurinae around 51 MA and likely evolved for over 20 MA before colonizing the Northwestern Hawaiian Islands. An ancestor of Megalagrion colonized the Northwestern Hawaiian Islands and diversified into ecological niches with four new breeding habitats and two new gill ...
Robert K. Hadfield   +10 more
wiley   +1 more source

Riparian Bryophytes: An Overlooked Yet Important Habitat for Aquatic Macroinvertebrates in Interior Pacific Northwest (USA) Salmonid‐Bearing Streams

open access: yesEcology and Evolution, Volume 15, Issue 12, December 2025.
We investigated riparian bryophytes as habitat for aquatic invertebrates in an interior Pacific Northwest (PNW) salmonid stream system. Our results demonstrate that bryophytes are highly productive habitat for aquatic invertebrates in interior Pacific Northwest salmonid streams.
Joshua P. Averett   +5 more
wiley   +1 more source

Ten new records of Odonata for Colombia (Coenagrionidae, Aeshnidae)

open access: yesBiota Colombiana, 2023
We report ten new records of Odonata, including the true distribution of Acanthagrion yungarum Ris, 1918 in Colombia. The genus Dolonagrion Garrison & von Ellenrieder, 2008 is reported for the first time in the country with notes of its habitat.
Yiselle Cano-Cobos   +2 more
doaj   +1 more source

Acanthagrion marinae sp. nov. (Zygoptera: Coenagrionidae): a new species of the apicale group

open access: yesAnais da Academia Brasileira de Ciências, 2018
Acanthagrion marinae sp. nov. (Holotype male: BRASIL, Mato Grosso do Sul, Campo Grande, UFMS, 20°29’56.26’’S - 54°36’48.43’’W, 547m, leg. M.E. Rodrigues, 03.ii.2015, collection code: VZYG437, MLP) is described and illustrated on the basis of 15 males ...
FEDERICO LOZANO, MARCIEL E RODRIGUES
doaj   +1 more source

Richness and diversity of odonates of the agricultural college and research institute, Vazhavachanur, Tamilnadu, India

open access: yesActa Biologica, 2020
Investigations on the diversity of Odonata in and around the Agricultural College and Research Institute, Vazhavachanur, Tamil Nadu, India were studied. Eight locations were selected, of which sixteen Odonata species were recorded.
Vaithiyanathan Radhakrishnan   +5 more
doaj   +1 more source

Discharge and nutrients interact to determine trophic structure in a wetland: Evidence from a landscape‐scale manipulation

open access: yesLimnology and Oceanography, Volume 70, Issue 11, Page 3355-3369, November 2025.
Abstract Identifying drivers of consumer biomass patterns and community structure is complex for managed freshwater ecosystems that are sensitive to nutrients and drought. In the Florida Everglades, flow restoration is expected to reintroduce discharge across an expansive wetland, yet most research on consumers has focused on water depth and dry ...
Marco Fernandez   +4 more
wiley   +1 more source

Experimental Evidence for the Desynchronization of Ecosystem Dynamics by Global Change

open access: yesEcology Letters, Volume 28, Issue 11, November 2025.
Anticipating ecosystem trajectories in response to multiple perturbations necessitates to identify the spatio‐temporal extent of these perturbations and disentangle their isolated and combined effects on ecosystem functioning. This first experimental evidence of global change impacts on ecosystem synchrony opens important avenues to identify ...
Chloé Vagnon   +12 more
wiley   +1 more source

Time Constraints Modulate the Effects of Predator Cues and a Metal Across Life Stages in a Damselfly

open access: yesEvolutionary Applications, Volume 18, Issue 11, November 2025.
ABSTRACT Animals are increasingly exposed to multiple co‐occurring stressors. Environmental factors such as seasonal time constraints (TC), predation risk, and pollutants strongly influence fitness‐related traits in aquatic organisms. Yet, the interactive effects of such stressors, especially across life stages, remain unclear.
Nermeen R. Amer   +4 more
wiley   +1 more source

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