Tag: "bees" at biology news
Honeybees In The Wild Nearly Gone In North America
...ing, combined with all the routine problems facing bees
thathave never gone away -- bee diseases, pesticid...ican crops valued at more than$9 billion depend on bees
for pollination. The two mighty mite culprits -- the microscopic tracheal miteand the larger varroa ...
Bee Sting Treatment Should Emphasize Speed, Not Method Of Removal
... colleague, research entomologistRick Vetter, made bees
sting them on their own forearms, and measured thesize of the resulting welts after scraping and pinching the stings out atvarious time intervals. Visscher and Scott Camazine, assistant professorat Pennsylvania State University, also showed that welt...
Study Examines How Mechanisms Evolve To Regulate Bee Development
...enetic basis, becausethe drone sons of fast worker bees
inherit accelerated development. The findings she...which involved a series of experiments using honey bees
( Apismellifera ), was published Oct. 15 in the Proceedings of the NationalAcademy of Sciences. Co-a...
Study Sheds Light On Behavior Of Middle-Age 'Undertaker' Bees
...rcent do it atany one time. But middle-aged honey bees
that serve as undertakers -- removingdead bees
from the hive -- appear to be a distinct cadre of workers thatare developmentally ahead of their pee...
Careful Honeybee Breeding Combats Tracheal Mite Pests
...ely breeding for mite resistance, abouthalf of the bees
at the university had tracheal mites. As of sprin...tion in recent years. In fact, wildpopulations of bees
in the United States are nearly extinct. Beekeepers currently manage about 3 million colonies ...
Biologist Experiments With His Own Front Yard
...hows howdifferent and complicated it all can be -- bees
that mate high in the air, where the male literally blowshimself apart to insure successful fertilization (maybe); the promiscuous female rove beetle, who thejealous male follows around after the act to try to insure that the offspring are his; male ...
'Mean Gene' Found In Africanized Honey Bees
... aggressive stinging behavior in Africanized honey bees
-- the so-called "killer bees" -- has been identif...earch project, says finding the mean gene in honey bees
"may help us understand what makes Africanized bees
so aggressive." Hunt and colleagues Robert E. Pa...
'Auditory Scene Analysis' Helps Find Mates
...e humming males together sound like a huge hive of bees
or a squadron of motor boats, and a female midshipman fish has to choose one nest in which to deposit her eggs. When a humming male succeeds in attracting a female, he fertilizes her eggs, which adhere to the rocky ceiling of his nest. The female l...
Summer Science: Where Have All The Honeybees Gone? UD 'Bee Guy' Asks Why--From
America To The Amazon
...se efforts and otherbee-related topics-from killer bees
to honey prices-will be discussed July 13-17during...ear Somerset, Pa. For fruit and vegetable farmers, bees
are "the only manageable pollinator,"capable of doubling crop yields, says Caron, winner of a 1998 U...
Dark Honey Has More Illness-Fighting Agents Than Light Honey
CHAMPAIGN, Ill. - Honey bees
pollinate the crops we eat and provide honey. Wher...20 times the antioxidant punch as that produced by bees
that lap up California sage. Clover, perhaps the most common plant source tapped by honey bees, scor...
Biologist Wins Simon Fraser University Controversy Prize For 'Silent Spring' Of
... an expert in insect behavioral ecology, and honey bees
inparticular. Since joining SFU in 1980, he's won numerous awards, including (withSFU chemical ecologist Keith Slessor) the Manning Award of Distinction (1997)and a gold medal from the Science Council of B.C. (1992). He's authored threeother books: "...
Russian Queens Bee-Little Mites' Impact
...d a step closer last week. The first generation of bees
produced by 90 expatriate queens, just released f...the energy-sapping mites weaken and soon kill the bees
(SN: 2/8/97, p. 92). Moreover, mites in four states have developed resistance to the one pesticide ...
Beyond Jurassic Park: Real Science With Ancient DNA
...ent organisms, has revived bacteria from the gutof bees
preserved in 20-45 million year old amber from the Dominican Republic.The genetic makeup of these bacterial strains holds many possibilities,according to Cano. "We have discovered a brand new source of organisms thatcould produce life-saving pharmace...
Bees The Buzz In Landmine Detection
...westNational Laboratory is helping to determine if bees
pass muster as secret agentsin the mission to find...her, these technologies will track the movement of bees
andtest their ability to detect minute amounts of explosives. If bees
can betrained, they will be a...
Sandia, University Of Montana Researchers Try Training Bees To Find Buried Landmines
...sts at theUniversity of Montana to see if foraging bees
can reliablyand inexpensively detect buried mines ... Bromenshenk and his colleagueshave shown that as bees
forage for nectar and pollen, theyattract particles of dust, soil, and pollen to their fuzzy,statica...
When is a pollinator not a pollinator? Tales from an insect crime scene...
...ying these bandits, known as nectar-robbing bumble bees
(Bombusoccidentalis) at the Rocky Mountain Biological Laboratory in Colorado. A studypublished in the July issue of Ecology highlights their research. Past studies have shown that nectar robbing may in fact have a positive effecton the reproductive...
New hope for declining U.S. honeybee population
...f varroa mites, which literally suck the life from bees
by feedingon their body fluids, and 100 percent of tracheal mites, which live in bees'tracheae and interfere with breathing. The peer-reviewed journal is publishedby the American Chemical Society, the world's largest scientific society. Thearticle ...
Researchers say hormones are key to evolution of insect metamorphosis
...ct cousins. Four insect groups comprising beetles, bees
and ants, moths and butterflies, andflies and mosquitoes make up nearly 60 percent of the more than 1 million knownanimal species. They are so prolific and exhibit great diversity because ofmetamorphosis, a process in which larval, pupal and adult st...
Desert bees hedge their bets, wait for the wet
...te summer. Then the flowers bloom, and the desert bees
come out. And like the desert's floral seeds waiti...n the sun, scientists have learned that the desert bees
have adopted a patient reproductive strategy. Desert bee larvae patiently lie in wait in the desert...
Bees wearing reflectors help scientists track insects training flights
...HAMPAIGN, Ill. -- Like aviators in training, honey bees
preparing to forage learn their skills in a series...rtaking new missions, scientists say. Studying how bees
do this has long stymied researchers, because bees
fly too far and too fast to watch with the naked ...
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