Tag: "mites" at biology news
Honeybees In The Wild Nearly Gone In North America
...s severely.Estimates of domesticated bee losses to mites
vary from stateto state, he said. "Honeybees are n...oung to perform theirblood-sucking duties. The two mites
also often carry invadingviruses. Tracheal and varroa mites
spread when infested bees comein contact...
Natural Shelters on Leaves House Plant Bodyguards
...chardKarban . "We think that predatory insects and mites
use domatiaboth for protection from their enemies ...t they seem to be inhabitedstrictly by insects and mites
that feed on other bugs rather than on plants,further evidence of a mutually beneficial relationship...
Photocatalytic Air Cleaning System Promises To Help Allergy Sufferers
...ses light and simple chemicals to destroy the dust mites
and mold spores that cause many allergies. ...ntegrating their DNA. The reaction also kills dust mites
and mold. Goswami said that the photocatalytic process is superior to conventional techniqu...
Careful Honeybee Breeding Combats Tracheal Mite Pests
...aid Susan Cobey, apiarist at OhioState. The mites
eventually develop a resistance to the chemicalsan...op more natural techniques for controllingtracheal mites
that will be practical for commercial beekeepers. Cobey explained that tracheal mites
Dust Mite Behavior May Show New Ways To Control Pests
...dsome curious behavior among common household dust mites
that may one daysuggest a better means of extermin...ating them. Researchers have long known that dust mites
die without adequate moisture.Now a study has revealed that males of the species employ a special tr...
Summer Science: Where Have All The Honeybees Gone? UD 'Bee Guy' Asks Why--From
America To The Amazon
...yard isn't buzzing this summer, blame it on deadly mites
and thediseases they carry, says Dewey Caron, the ...ology at Penn State. Both trachealmites and varroa mites
feed on bee blood, he explains. Tracheal mites
infect thebreathing tubes of bees, while varroa mites...
Allergy And Asthma-Exaceberating Mites, Molds And Pollens On The Rise Due To El Niño . . . La Niña
...al environmentfor cockroaches and microscopic dust mites
-- the leading cause of asthma. According to a rec...ows, so your home can air out. Sunlight kills dust mites
andmolds, so let it in. Encase or cover pillows and mattresses in plastic casings -- available atbe...
Russian Queens Bee-Little Mites' Impact
...Feeding off their hosts' blood, 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 approved for use against them, notes ...
French Researchers Breed Flightless Ladybirds As Pest-Killers
...ange of creatures, including aphid, scale insects, mites
andmealybugs. In tests, the flightless ladybirds have already been successful inkeeping pests off cucumbers and melons. In the US, normal H. axyridis are usedto control pests on crops such as pecans, apples and peaches-which means beingable t...
The Evolution Of Beauty, Part Of A Special Section On The Evolution Of Sex In The 25 September 1998 Science
...h their mate's geneticfitness. For example, water mites
feed on tiny organisms called copepods, which the miteslocate by sensing their prey's water-borne vibrations. Males of at least onespecies of water mite mimic copepod vibrations as part of their mating display.As it turns out, the mites' smooth moves...
House Dust Mite Busters No Good For Asthma Sufferers
.... Past research hassuggested that the control of mites
should be an integral part of the treatmentgiven t... aimed at reducing exposure to allergens from dust mites
seem tobe ineffective and they do not recommend them as prophylactic treatment forasthma patients s...
Biotech Creates New Solutions And New Problems
...kling pear wine.Early season release of Willamette mites
confers plant resistance. Wine grapesserve as host...lations to damaging levels. Releases of predaceous mites
providedinconsistent control of leaf-chewing mites. However, releases of Willamettemites at low dens...
Tiny mites protect vineyards from mildew
...b and other Cornell scientists learned is that the mites
feed onpowdery mildew, which is considered a nemes...sh-Loeb wondered what ecological role these tydeid mites
mightplay on the grape leaf. They did not appear to feed on the leaf tissue, and,interestingly, he ...
New hope for declining U.S. honeybee population
... associated with its use." The varroa and tracheal mites
entered the U.S. in the mid-1980s. Since then,the...ed both wild and commercial bee populations. "Both mites
now inhabit honeybee colonies in most of the country," states theresearch article. "Infestation of ...
Mouse allergy contributes to inner-city asthma crisis
...ears, researchers have known that cats, dogs, dust mites
and cockroaches can cause allergies that trigger the wheezing and constricted airways of asthma. But while doctors have treated people who work with mice in laboratories for allergies to the furry creatures, until now, not much was known about mouse ...
The enemy of my enemy is my friend
... their hostplant too much. Similarly predatory mites
are attracted by the volatile chemical...from lima beans after damage by spider mites
(Dicke, et al. 1990). Fig. 1: The VOC release is f...
Fight between GMOS and the bugs they repel may not be over
...s that produce defenses against them. Insects and mites
already have proven deft at developing resistance to applied insecticides, with 540 arthropods resistant to more than 310 insecticides and miticides. These speculations and deductive arguments have resulted in the first-ever requirement by U.S. Envir...
DuPont gives agricultural pesticide patent rights to Purdue
...signed to control beetles and the other to control mites
were found to be safe and effective against agricultural pests, but DuPont determined that the compounds were no longer a part of its strategic business direction, Woods said. Rather than entomb the research in a file cabinet, DuPont decided to make...
Univ. of Fla. professor: Air cleaning system destroys Anthrax, other pathogens
...r cleaning system originally developed to zap dust mites
and mold spores also destroys airborne anthrax and other pathogenic microbes, says the University of Florida engineering professor who pioneered the technology. The system has been successfully tested against a close cousin of the anthrax bacteri...
USDA establishes Honeybee Genetics and IPM Center
... study the continuing threat from deadly parasitic mites
and Africanized honeybees. The center is funded b...990 have threatened honeybee colonies. "Parasitic mites
are currently managed with pesticides, but as with other agricultural pests, the mite population has...