How climate change is disrupting ecosystems
The world is getting warmer and warmer—and many organisms native to lower latitudes or elevations are moving higher.
Ecology
Dec 17, 2020
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Page 2 - News tagged with insect herbivores
Protecting gardens and crops from insects using the 'smell of fear'
For home gardeners and farmers, herbivorous insects present a major threat to their hard work and crop yields. The predator insects that feed on these bugs emit odors that pests can sense, which changes the pests' behavior ...
Agriculture
Aug 25, 2021
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Study uses Herbarium samples to understand link between climate change and insect herbivory
When she set out to understand whether climate changes over the past century might be effecting how much insects were eating various plants, Emily Meineke decided to go straight to the source—the plants themselves.
Ecology
Sep 4, 2018
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Six times more insects in tropical mountains
How many species of insects exist? Umea University researcher, Genoveva Rodriguez-Castaneda, found that in tropical mountains there are six times more insects than shown in global calculations. The insects in these areas ...
Ecology
Sep 6, 2010
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Insect gut microbe with a molecular iron reservoir
Microbes are omnipresent on earth. They are found as free-living microorganisms as well as in communities with other higher organisms. Thanks to modern biological techniques we are now able to address the complex communities ...
Biochemistry
Sep 1, 2011
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Making its predators tremble: Multiple defenses act synergistically in aspen
If plants did not defend themselves in some way, they would certainly be gobbled up by a whole suite of voracious predators ranging from little insects to large mammalian herbivores. Indeed, not only do plants defend themselves, ...
Plants & Animals
Apr 23, 2010
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Integrated omics uncovers roles of fungi and bacteria in lignocellulose degradation
(Phys.org) —A multi-institutional team from the Department of Energy's Great Lakes Bioenergy Research Center (GLBRC) used metagenomic and metaproteomic approaches to provide insight into the symbiotic relationship between ...
Cell & Microbiology
May 13, 2013
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Impoverished meadow and forest flora threaten insects
The intensification of land use poses a major threat to biodiversity, including herbivorous insects and their host plants. If beetles, Orthoptera (grasshoppers/crickets), Heteroptera (true bugs) and Auchenorrhyncha (cicadas/leafhoppers/treehoppers/planthoppers/spittlebugs) ...
Plants & Animals
May 17, 2021
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Biologists unlocking the secrets of plant defenses, one piece at a time
Researchers examining how the hormone jasmonate works to protect plants and promote their growth have revealed how a transcriptional repressor of the jasmonate signaling pathway makes its way into the nucleus of the plant ...
Biotechnology
Dec 5, 2012
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Lethal backfire: Green odor with fatal consequences for voracious caterpillars
During field studies, scientists at the Max Planck Institute for Chemical Ecology discovered that the oral secretions of tobacco hornworm larvae contain a particular substance that promptly alters a green leaf volatile in ...
Ecology
Aug 26, 2010
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