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A recent paper claiming evidence of global insect declines achieved huge media attention, including claims of "insectaggedon" and a "collapse of nature." Here, we argue that while many insects are declining in many places around the world, the study has important limitations that should be highlighted. We emphasise the robust evidence of large and rapid insect declines present in the literature, while also highlighting the limitations of the original study.
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6467851 | PMC |
http://dx.doi.org/10.1002/ece3.5153 | DOI Listing |
Ecology
September 2025
Smithsonian's National Zoo and Conservation Biology Institute, Front Royal, Virginia, USA.
The Earth's grasslands have experienced extensive alterations to their grazing regimes over the course of human history. We asked how native grassland herbivores (bison, prairie dogs, and grasshoppers) and a non-native herbivore that has become dominant (cattle) affect seasonal patterns of plant and soil elemental chemistry and aboveground plant biomass in a shortgrass prairie in the North American Northern Great Plains. To quantify herbivore effects, we sampled plants and soils across 4 months of the growing season in 15 grassland sites comprising five herbivore regimes with varying densities of bison, cattle, prairie dogs, and grasshoppers.
View Article and Find Full Text PDFCurr Biol
September 2025
Department of Entomology, Virginia Polytechnic Institute and State University, Blacksburg, VA, USA. Electronic address:
A new study shows that, as floral resources decline over the season, honey bees gradually increase their tolerance to attacks when foraging, a shift that may enable them to exploit other colonies' honey stores during robbing season.
View Article and Find Full Text PDFPesticide exposure and climate change are key drivers of pollinator declines. Exposure to certain pesticides and high temperatures can influence the cognitive ability of insect pollinators, such as bees, but little is known about how these stressors interact. As central place foragers, bees must learn and remember floral cues, and so impaired memory may influence foraging efficiency and fitness.
View Article and Find Full Text PDFPestic Biochem Physiol
November 2025
Zhejiang Provincial Key Laboratory of Biometrology and Inspection & Quarantine, Key Laboratory of Microbiological Metrology, Measurement & Bio-product Quality Security, State Administration for Market Regulation, School of Life Sciences, China Jiliang University, Hangzhou 310018, China. Electronic a
The brown planthopper (BPH) Nilaparvata lugens is one of the most destructive pests of rice, and its management has primarily relied on chemical insecticides. Currently, the chemical management of BPH is facing challenges due to the development of pesticide resistance. RNA interference (RNAi) provides attractive alternative to chemical insecticides, provided that suitable target genes are identified.
View Article and Find Full Text PDFPestic Biochem Physiol
November 2025
Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, Yunnan 650500, China. Electronic address:
Honey bee health is affected by a variety of environmental factors, with Varroa destructor parasitism and pesticide exposure being important factors contributing to colony decline. In this study, we assessed the effects of V. destructor infestation in combination with imidacloprid exposure on honey bees.
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