Tag: "beetles" at biology news

Sex pheromone blocked in bug

...r palate. As they fly toward the female, the male beetles come across wafts ofpheromone separated by periods...the antennae, thatbreaks down the pheromone. When beetles were exposed to both pheromone and metyrapone, achemical that specifically blocks the enzyme, they c...

Virginia Tech's smelly 'corpse plant' due to bloom Aug. 4

...ant's humiliation, its pollinators include carrion beetles and flesh flies. In spite of the plant's long preparation for its flowery display, the blooms last, at best, two to three days, so visitors will have to be vigilant to see and smell it. A flowering stalk can be seven to 12 feet in height and three to...

Tiny beetle wreaks havoc on Texas ornamental tree nurseries

... species of ambrosia beetle are present. Ambrosia beetles are so named because they cultivate the ambrosia f...at mild winters have played a big role. The adult beetles over-winter in leaf litter, and warmer winters could result in more surviving to emerge in the sprin...

Woodpeckers: There's a fungus among us

...ly puncture dead and dying trees in search of bark beetles and other wood-boring insects, a process that creates holes in wood that serve as infection sites for airborne fungal spores. As the birds return to these holes to feed, or to excavate them further for nesting, they pick up the fungi in their beaks,...

Studies probe rapid evolution of Chinese tallow trees

...urce of biomass for fuel, but the introduced Asian beetles just decimated the trees, especially those which were brought from Texas." Reuniting Texas varieties of Chinese tallow tree and its native herbivores in China may help researchers understand its success in the U.S. If the combination of low defenses,...

19th century museum specimens help plan reintroduction of endangered tiger beetle

...mation that could not be sampled because the tiger beetles no longer exist at certain locations," Dr. Goldste...ons for the conservation management of these tiger beetles and other threatened species. In this case, the authors advocate independent management of the New E...

UC Riverside's Brian Federici receives Secretary's Annual Honor Award from USDA

...eficial insects such as insect-parasitic wasps and beetles that prey on pest insects). "I am honored to receive the award," he said. "I see it as a validation of my view that decisions about the safety of our food should be based on evaluation of the scientific evidence. This is in contrast to the often ...

Ecosystem engineers

...s. The numbers of other insect species, including beetles and non-shelter abiding caterpillars, appeared unaffected by the removal or alteration of shelters....

Scientists harness powerful x-rays in new technique to study animal functions

...ls of blood vessels in mice and the tiny hearts in beetles (each beetle has eight to ten hearts) could shed light on how to treat high blood pressure. "Basic principles of mammal, fish or insect physiology and function could have important implications for health care," Westneat says. "We intend to develop...

Clemson researcher takes part in breakthrough research on insects

...overed that many insects, including crickets, wood beetles and carpenter ants, are able to breathe using a mechanism similar to the one we use to ventilate our own lungs. This is remarkable because insects do not have lungs, but rather a system of internal tubes called tracheae, which they use to breathe thr...

Scientists find grass yield, carbon storage not affected by creepy-crawlies in the soil

...izes -ranging from bacteria and fungi to worms and beetles - have no significant effect on the overall yield of the plant life above, nor on the overall amount of carbon stored away in the soil. The researchers from England, Wales, Scotland, Germany and Finland say that the results of their experiment send a...

Rare, smelly 'corpse plant' ready to bloom at Virginia Tech

...way from the plant to attract pollinators--carrion beetles and flesh-flies. The amount of energy needed to bloom causes the plant to do so only every four to 10 years. The blooms, however, last only two to three days, so visitors will have to be vigilant to see and smell it. A flowering stalk can be seven...

Scientists invade Chicago

...nalyze water samples; work with botanists; release beetles that eat invasive plants; find where the zebra mussel hides; check out The Field Museum's Soil Adventure Mobile; watch nature artist paint; make crafts/toys using plants; learn about wetlands; take a tree walk; learn to identify cool science in your...

Ecology and conservation of fragmented tropical forests

...tending from mosses to forest trees, and from dung beetles to lemurs. The following are a sampling of the results reported at the meeting. Tom Lovejoy, of H. John Heinz Center for Science, who initiated the first large scale experimental studies of tropical forest fragmentation in the Brazilian Amazon, the B...

Tropical forests under surveillance

...e ocelots, bats flying through underbrush and male beetles who secretly manipulate their mates were the study subjects mentioned as biologists came up with a "wish list" of questions to be answered if the appropriate technology were available. Roland Kays, Curator of Mammals at the New York State Museum com...

Picky eaters rare among tropical insects

...n insect species on Earth, based on 955 species of beetles collected by fogging 19 individuals of a single tr... in Panama. He used a guestimate that 13.5% of the beetles were monophagous, that is, they depend upon one tree species for survival and multiplied the estimat...

View of forest insects changing from pests to partners

...ntire forest stressed for water and nutrients, and beetles can skip from one weak tree to another across enti...ntrolled fire and insect attack, allowing the pine beetles to actually help in the long-term process of restoring forest health. It now appears that insects, ...

'Beetle Team' works out the bugs in population studies

...iment you'd want in your kitchen, but 10,000 flour beetles raised in milk bottles are changing the way scient...eam has developed over the past decade using flour beetles as its animal model. In the University of Rhode Island laboratory of biologist R.F. Costantino, the ...

Agricultural pests may threaten prairies

...corn fields. New research shows that corn rootworm beetles invade the agricultural edge of prairies, damaging...d on pollen and other parts of native flowers. The beetles seem to favor sunflowers and other yellow composite flowers. The researchers studied corn rootworm ...

DuPont gives agricultural pesticide patent rights to Purdue

...wo compounds one of which was designed 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 ...

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