Tag: "insect" at biology news
Transgenic Rice Plants Resist Insects, Drought And Salt Damage
...ch incorporates genes from potato plants to resist insect
damage and genes from barley plants to make them s...or domestic rice varieties to evolve resistance to insect
pests or drought," said Ray Wu, Cornell professor of biochemistry, molecular and cell biology, and l...
Enticed By A Chemical Tease, Female Beetles Are Rewarded With A Nuptial Gift To Protect The Next Generation
...ticing chemical appears, Eisner suggested that the insect
is, in effect, saying: "I've got a lot more where...beetle is borrowing a defensive agent from another insect
and is using it to buy access to the female -- then rewarding the female's favor by endowing her an...
Honeybees In The Wild Nearly Gone In North America
...table prices at supermarketsand farm stands. Other insect
pollinators, such as bumblebees and other wild bees,will step in for the absent feral honeybees and pick up a portionof their pollination duties, Tew said. However, he said, culturingbumblebees or wild bees in great numbers or importing foreignbees a...
A Genetic Skeleton Key
...nsistentfrom species to species. An "article"in an insect
edition of the geneticmagazine will be printed differentlythan the same article appearing in aworm edition. "The pagination willbe completely different," Pevznerexplained, "and it will not be con-sistent: The information thatappears on a single page ...
Study Shows Songbirds Switch From Bugs To Berries To Fuel Fall Migration
... weight gain for birds than did astrictly fruit or insect
diet alone. For some species, the more fruit in themix, the greater the buildup of fat necessary for a successful migration. Switching from insects to fruit offers migrants advantages beyond increasingtheir energy intake, Parrish suggests. Because fr...
Human-Like Ability, Categorical Perception, Found In Insects
...sions in an instant, a Cornell University study of insect
hearing has found. Even the lowly cricket employs... between "good" sounds and "bad", and how does the insect
decide? The study is reported in the journal Science,(Sept. 13, 1996), in a report by Wyttenbach, H...
Bog Beetle, Misidentified For 85 Years, Is 'Discovered' At Cornell
ITHACA, N.Y. -- Sitting patiently in museum insect
collections for at least 85 years, this Ithaca bog...professor of entomology and curator of the Cornell insect
collection, were working through the university's insect
collection when they stumbled upon a specie...
A Phoenix From A Ring Of Fire Is A Pattern For The Recovery Of Mount St. Helens
... from the 1893 eruption appears to be harmless to insect
life. In contrast, the initial ash fro...d quickly died. "It was just like sandpapering an insect
to death," says Edwards. On Rakata and its three adjoining islands, there was an abundan...
Malnutrition Impacts Longevity Of Females More Than Males And Shows Gender Differences In Fruit Flies
...his case through diet,"said Carey, an authority on insect
demography, who for several years hasused the Medfly to study life-span theories. "It was previously thoughtthat the mortality curves for most species were more-or-less geneticallypredetermined." Medflies usually live for about two to three weeks. T...
New Evidence For Corn's Ancestry Could Lead To Insect And Drought Resistant Crops
...heroot-eating juvenile -- or larval -- stage of an insect
that costs cornfarmers $1 billion a year in crop losses and pesticide expenses. In preliminary experiments at Duke's Phytotron, a high-tech greenhousewhere she rents space, Eubanks found far less root damage and far fewerlarvae in her experimental h...
First-Of-A-Kind Study By University Of Georgia Ecologist Estimates Role Of Natural Forces On Insect Populations
...gists haveargued about the cyclic rise and fall of insect
populations.Determining the reasons for these chan...d data for some 16 yearson the interactions of two insect
species, the winter moth andthe green oak leaf roller moth, that feed on English oaks inWytham Woods...
Oak Regeneration In Some Ohio Forests Is Failing, Researchers Find
...rbance such as fire orbiotic influences such as an insect
infestation, oak may be experiencingreasonable regeneration on sites of high light and low moisture," said BrianMcCarthy, an associate professor in the Department of Environmental and PlantBiology at Ohio University and lead author of the study. ...
Pharmaceuticals Manufactured In Insect Larvae
...s of recombinant pharmaceutical proteins -- out of insect
larvae. "These are valuable proteins, and they ca...of pharmaceutical proteins but were made using the insect
cell culture method, a time-consuming, and expensive process. Scientists can harvest the benefici...
Insects Provide Clues About Bodies Underwater
...nderson through the Internet. Anderson,who studies insect
life cycles on murder victims' bodies, is well-known forassisting with local murder investigations. Her research includes studies ofinsects on clothed pig carcasses which have been buried or partially buried. Macdonell is also helping Anderson teach ...
Common Food Dye Can Cause Severe Allergic Reactions
...gic reaction that usually occurs in response to an insect
sting or injected drug. "She came in with hives, asthma and virtually no blood pressure," Baldwin says. The patient was stabilized and Baldwin learned that her dramatic allergic reaction occurred after she ate a red popsicle. A skin test c...
SFU Researcher Fools Forest Pest Into 'Barking Up The Wrong Tree'
... two of British Columbia's most destructive forest insect
pests. His goal? To fool the insects into bypassing vulnerable trees. For the past two years, Huber has been studying how two species of bark beetle - the Douglas fir beetle and the mountain pine beetle - find the trees they need to survive in a mixe...
Cut Pesticide Use In Half, Urges SFU Biologist
...target species- such as birds, fish and beneficial insect
predators and parasites - andwreak havoc with natu...me we turn away a head of lettucebecause we see an insect
on it, or an apple with an external blemish, weare encouraging the use of more pesticides." Ea...
UF Researcher Designs Pill To Control Mosquitoes
... other mosquito-borne diseases," said Borovsky, an insect
biochemical and molecular biologist at the Florida...the diet pill into the crop or into the plant, the insect
feeds and then dies before it takes its next meal."...
New Report Sets Standard To Protect Natural Pest Control
...ntal Protection Agency's current plansto forestall insect
resistance to the natural toxin Bt. To protect thi... details whatis needed to delay the development of insect
resistance in the millions of acres already devoted to Bt corn, cotton, and potatoes. The Union of C...
Divorce, Insect Style: Termites Swap Mates
... rotting log when theseven-year itch occurs in the insect
couple's first two hours. -- Just an hour after ...tion of behavior called"mutual mate choice" among insect
pairs that cooperatively provide long-termcare for their young. "Having second thoughts and choosin...
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