Tag: "beetles" at biology news
Study in Royal Society journals presents evidence for inherited factors in homosexuality
...and are consistent with the natural history of the beetles
which are highly cannibalistic. This is one of the very few studies to show generation cycles due to cannibalism in a natural population. Contact: Dr Mike Bonsall, Department of Biology and NERC Centre for Population Biology, Imperial College at Silw...
Why do insects stop 'breathing'? To avoid damage from too much oxygen, say researchers
...rs, moths, butterflies, some types of fruit flies, beetles
and bugs close off their respiratory systems periodically to keep out excess oxygen, thus preventing damage to their tissues. Timothy Bradley, professor of ecology and evolutionary biology at UCI, and Stefan Hetz, assistant professor of physiology a...
Bugs, even 'bad' ones, can be educationally beneficial, new book says
...with snow. Introduction of 129 Australian ladybird beetles
(Rodolia cardinalis), a natural predator of the sc...after he saw and was intrigued by her paintings of beetles
at the Anita Purves Nature Center in Busey Woods in Urbana....
Researchers find three major beetle groups coming up one testis short
Berkeley -- A surprisingly large number of beetles
are missing one of their testes, the male gonads o...testis phenomenon, or monorchy, was first noted in beetles
by French naturalist Leon Dufour in 1825. He found that Harpalini carabid beetles
had a single testi...
Slime-mold beetles named for Bush, Cheney, Rumsfeld
...had the job of naming 65 new species of slime-mold beetles
named three species that are new to science in the...e other names they used for the recently described beetles
were derived from various geographic locations, such as California, Georgia and a few states in Mexi...
Alien woodwasp, threat to US pine trees, found in N.Y.
...d." Hoebeke was sifting through thousands of bark beetles
caught in routine screening traps set by the New York State Cooperative Agricultural Pest Survey (CAPS) program, in search of any of 10 exotic species of bark beetles, when he stumbled across the specimen of S. noctilio . "I recognized it immediat...
Researchers determine temperature-driven rootworm forecast
...orm emergence in1996. Nine years of catching adult beetles
in traps and comparing the datawith temperature da...ergence patterns. "The emergence pattern of the beetles
is quite variable for a givenyear," Michels said. "However, because it is temperature-driven, the mo...
Researchers discover key gene involved in bark beetle pheromone production
...de-long controversy over the process by which bark beetles
make pheromones: they manufacture their own monote...of the National Academy of Sciences (PNAS). Bark beetles
plague pine forests, especially when the trees are stressed. The Lake Tahoe basin lost 30 percent of...
Underneath it all
...leaves worked as a pest deterrent of sorts, as the beetles
did less damage to the silk draped plants than the ones left bare. Rypstra will present the poster, "Silk reduces plant damage caused by pest insects," during Poster Session 24: Agroecology. Wednesday 10 August, 17:00 18:30 EDT, Exhibit Hall 220 A-E...
Field Museum book profiles Illinois insects
...ent bugs are illustrated, from cicadas to bees and beetles
to butterflies. Each original watercolor is accompanied by a scientific description and informative notes about how to identify and better understand that particular species. Readers will learn about Illinois' most common bugs as well as its most end...
When cave crickets go out for dinner, they really go, researchers say
...ncluding a variety of spiders, pseudoscorpions and beetles
in the Austin-San Antonio region as federally endangered species. These invertebrates depend on nutrients brought into caves primarily by crickets after foraging. Crickets also lay their eggs inside. Taylor and colleagues studied the crickets around...
Emerald Spectre haunts Ontario's ash forests
... rapidly spreading with a little human help. Adult beetles
lay eggs under tree bark and the feeding larvae ki...but MacIsaac doesn't rule out the possibility that beetles
jumped the ash-free zone. The study notes that scientists still need to determine the maximum flight...
Tobacco industry weakened pesticide regulations, UCSF study shows
...ne disruptor that prevents the larvae of cigarette beetles
and tobacco moths from maturing. At Phillip Morris' insistence, the company asked for and obtained residue limits of 15 ppm in tobacco when its own data supported a level of 10 ppm. Zoecon also collected data about international regulatory efforts on...
Underlying cause of massive pinyon pine die-off revealed
... up to be susceptible to insect infestations. Bark beetles
delivered the knock-out punch. "It was the drought beetles
don't get trees unless the trees are really water-stressed," Breshears said. Breshears, Neil S. Cobb...
New antifreeze protein found in fleas may allow longer storage of transplant organs
...searchers say. "Unlike the antifreeze proteins in beetles
and moths, AFPs in snow fleas break down and lose their structure at higher temperatures," explains Dr Davies, Canada Research Chair in Protein Engineering. "This means that if used to store organs for transplants, they will be cleared from a person'...
Surprising killer of southeastern salt marshes: Common sea snails
...geese decimating marshes along the Artic Sea, bark beetles
killing off Arizona pine forests....
New study explores beetle species with two forms of females
... explain the authors. Examining species of diving beetles
that have two forms of females for example, one with a smooth back and another furrowed the researchers found that this polymorphism is actually a stable state, that is, neither of the forms go extinct. "The results have implications for the under...
Value of services performed by insects tops $57 billion in US
...For dung burial, they estimated the losses if dung beetles
did not clean nearby plants and cattle environments, which would deter cattle from eating the plants and attract more flies and parasites that would have to be controlled. They also calculated how much fertilizer would be needed to compensate for the...
New groundbreaking findings in taste, smell and chemical irritation
...stry unifies the big and small: elephants and bark beetles
utilise elements of an identical chemical language... use chemistry identical to that used by some bark beetles
to convey similar intended messages. As the nose and the brain grows: neurogenesis and olfaction ...
K-State researchers study gene regulation in insects
...the embryo. Fruit flies make segments all at once; beetles
make segments one at a time. "Imagine slicing a loaf of bread," Brown said. "Segmentation in fruit flies is similar to a pre-sliced loaf of bread. In other insects and even humans, segments are added one at a time, like slicing a loaf of freshly bake...
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