Tag: "insects" at biology news
Home owners may sleep better because student overcame her fear of insects
...res, she read the text. "I learned how interesting insects
are." Thatsummer, she took an entomology course th...vior of carpenterants, Cannon decided to bring the insects
into a Virginia Tech lab to study forher doctoral degree research on the insects' foraging behavior....
...ave discovered that the aerodynamic performance of insects
resultsfrom the interaction of three distinctly di...esults increasethe feasibility of creating robotic insects
that can perform a variety ofoperations," said Dr. Teresa McMullen, the ONR sponsor of this research...
Burrowing mayfly swarms signal a healthier ecosystem, USGS scientists say
While swarms of flying insects
may have little appeal for most people, USGSbiolog... Edsall says. Burrowing mayflies are large aquatic insects
that spend most of their lives --about two years -- in their larval form, living in shallow bottom s...
Digital plant doctor diagnoses plant problems
...eras and the World Wide Web to send photographs of insects
and diseasedplants from the field to the lab for rapid diagnosis and identification. Researchers, extension agents and software developers with UF's Institute ofFood and Agricultural Sciences developed the Distance Diagnostics andIdentification Syste...
Genetically engineered organisms: Hazardous or beneficial
...ypes ofarthropods include the possibility of these insects
themselves becoming pests. Phillip J. Regal will provide a historical perspective for the audience,regarding the social and political aspects of decision-making involving GEOs. Hewill consider the long, problematic history of confused scientific ana...
Congress briefs: International congress on ecosystem health
...mbenefits such as providing habitat for beneficial insects
and wildlife,increasing biodiversity, reducing pesticide use, buffering dust and chemicals,and controlling weeds, erosion and nutrient loss. Tuesday, Aug. 17, 1:15 p.m. Session: T8 -- Migratory Birds of the Colorado River Paper: "A Regional P...
Team of 200 scientists presents new research that reveals full 'tree of life' for plants
...to associate with insects,and the Gnetophytes have insects
associated with their cones." There will be further scientific discussion on this at the Congress, in additionto discussion on when the earliest plant branched off to form the rest of theflowering plants, and on how the flower fossil record fits in w...
Response to cocaine linked to biological clock genes
...unexpected connection between circadian rhythms in insects
and cocainesensitization, a behavior that occurs in both fruit flies and vertebrates andthat has been linked to drug addiction in humans. In the August 13 issue of Science, Dr. Jay Hirsh and his coworkers Rozi Andreticand Sarah Chaney at the Universi...
Cockroaches beware! This house has been treated with catnip
...n in manyparts of the United States, were the only insects
studied. Studies ofmosquitoes are underway. As yet, there are no plans to examine the effects ofcatnip and hedgeapple on American cockroaches, though Peterson suspects theywould respond the same way as their German cousins. The Iowa State researche...
Worms will never taste the same: a new study examines how insecticides influence
...ome birds apparently feel the same way abouteating insects
that have been exposed to insecticides. A study, c...tural implications. A decline in birdpredation on insects
might have economic consequences if crops were damaged byrising insect populations. The largest eff...
Genetic engineered crop studies questioned
...y to the same Bt toxin as in the plant or that the insects
could surviveon the Bt plant." Even so, they writ... high Bt pollen levels would be encountered by the insects
in thefield, and they say that "few entomologists or weed scientists familiar with thebutterflies or...
Hurricane Hugo serves as living laboratory for Clemson University forest
...er subsided, researchers noteda virtual absence of insects
and wildlife in the surge-affected forest. Flyinginsects and birds were the first to return; but six months after Hugo, thenumber of reptiles and amphibians remained significantly lower than before thestorm. One of the hardest hit areas was ...
Pollution makes crustaceans adapt rapidly
...of "diapause." Diapausing animals, such as certain insects
and crustaceans, can suspend theirgrowth and development for years or even centuries during periods of unfavorableconditions. In Hairston's Cornell laboratory, researchers already had learned how to awaken300-year-old crustacean eggs. Working at L...
Researchers say hormones are key to evolution of insect metamorphosis
... really opened up niches that weren't available to insects
beforethat," said UW zoologist James Truman, who a...s suppress the development of adult structures. In insects
withpartial or no metamorphosis, the absence of JH during embryo formation anddevelopment allows the...
Common grass infected by fungus makes life difficult for other species
...l fescue, butit is toxic tolivestock, wildlife and insects
that eat the infected grass. The economicconsequen...ngpatterns of smallmammalian herbivores, birds and insects
that were abundant in our plots," Claysaid. "Inaddition, infection by the fungus enhances drought to...
Threats to health reduced with Bt corn hybrids
...opean corn borer and to some extentclosely related insects
such as the corn earworm, common stalk borer, army...ell. "Using geneticallymodified hybrids to control insects
and diseases offers an alternative that ismuch more effective, consistent, economic and environmenta...
UF research ties homosexual behavior in beetle to evolution
... Homosexual behavior is observed in a number of insects
and other animalspecies, Brockmann said. The stan...fer valuable resources to thefemale." . Some insects
attract mates by emitting certain chemicals, but Hararifound that in the rootstalk borer weevil, the...
Screening programs find health problems among former Hanford workers
...ation of nuclear waste. - The condition of local insects
and elk. - How to assess Hanford's effects on the Columbia River. - The new Office of River Protection. Congress created the office to do something about high-level radioactive waste that's leaking toward the Columbia River. The conference will l...
Genetic extremism overstates risks
...ges in trees, such as faster growth, resistance to insects
or benign herbicides, and controlled flowering to avoid releases of the new genes into the environment via pollen and seeds. Because they result from insertion of specific, intensively studied genes, most of the risks from this genetic manipulation...
Fossil mayflies can be used to 'weigh' ancient atmospheres
...es that further study of mayflies and other fossil insects
will provide more definitive answers to geologists... he says, "when it hit me: These remarkable little insects
are experimentally measuring the density of the atmosphere. And they have been doing it for million...
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