Tag: "beetle" at biology news
Study in Royal Society journals presents evidence for inherited factors in homosexuality
...ogy Letters Generation cycles in Indonesian lady beetle
populations may occur as a result of cannibalism b...ars) how cannibalism may drive the Indonesian lady beetle
populations. Particular types of dynamics: generation cycles have been observed in several different...
Researchers find three major beetle groups coming up one testis short
...d a systematic survey of all major lineages of the beetle
family Carabidae . The results of the survey will...bservations such as this provide valuable clues to beetle
biology and evolution. The one-testis phenomenon, or monorchy, was first noted in beetles by French...
Slime-mold beetles named for Bush, Cheney, Rumsfeld
...ighway named after them. But each has a slime-mold beetle
named in his honor. Two former Cornell University ... published monograph describing the new slime-mold beetle
species while a professor at Cornell. Wheeler is now the keeper and head of entomology at the Natur...
Researchers discover key gene involved in bark beetle pheromone production
...e Tahoe basin lost 30 percent of its pines to bark beetle
infestation during the 1986-1994 drought, accordin... geranyl diphosphate synthase and its role in bark beetle
K-State professors discover enzyme responsible for creation of a beetle's hard shell
...t materials for use in aircraft and armor. After a beetle
first molts, its exoskeleton is soft and hydrated. Somehow, it dries out and forms a hard, stiff exoskeleton. Since the 1940s, scientists have wondered which enzyme among several possible candidates was involved in the hardening process. The K-State ...
Beetle-inspired switch uses water for bonding
...et paper cling together. When attacked, the palm beetle
attaches itself to a leaf until the attacker leave...ch droplet is just a few microns wide. Whereas the beetle
controls the oil contacts mechanically, Steen's switch uses water and electricity. For the switch ...
Emerald Spectre haunts Ontario's ash forests
...sor-Detroit area. "In the Great Lakes region this beetle
invasion is mushrooming out like an atomic bomb go...Environmental Research. The small, metallic green beetle
adults are about the length of a thumbnail was first detected following an unusual dieback of ash ...
Thomas Eisner to receive 2005 Rockefeller University Lewis Thomas Prize for Writing about Science
...rre Changeux. From the millipede to the bombardier beetle
to the garden slug, Eisner, who is Jacob Gould Schurman Professor of Chemical Ecology at Cornell University and director of the Cornell Institute for Research in Chemical Ecology, has yet to meet an insect he didn't love. He is one of the pioneers of...
Study in Royal Society journal on first observation of giant squid in the wild
...and provide opportunity for manipulation of vector beetle
populations. Contact: Mr GD Mcleod, Biological Sciences, Simon Fraser University, 8888 University Drive, BURNABY BC, V5A 1S6, Canada Fear in animals: a meta-analysis and review of risk assessment by Mr. T Stankowich and Dr DT Blumstein (rspb.2005....
It's a bug's life: MIT team tells moving tale
...edge of the glass. The larva of the waterlily leaf beetle
solves the same problem a different way. The sluglike creature simply arches its back, creating menisci at each end. The effect has the same end result, propelling the larva up the slope. Bush and Hu got involved in this work because they wanted to e...
Drunken elephants: The marula fruit myth
...at the bark of the marula tree, which is home to a beetle
pupae traditionally used to poison arrow tips....
Searchers key in on ivory-billed woodpecker habitat
... of its old growth, it is also home to long-horned beetle
larvae, the ivory-billed's version of filet mignon. "Bayou DeView contains the highest density of dead and dying woods," said Martjan Lammertink, a world woodpecker authority hired by the Lab of Ornithology in 2004 by Cornell to help with the search....
Extinctions linked to climate change
...lar interaction, Blaustein said, the mountain pine beetle
in parts of the western United States is completing its life cycle in one year, instead of two, leading to increasing problems with the fungus they carry. "When pathogens such as this can spread more rapidly, they can do more damage in much less time...
New study explores beetle species with two forms of females
...persistence of two forms of females in many diving beetle
populations. Their findings have important implications for theories of sexual conflict, which arises when the costs and benefits of multiple matings differ for males and females. "The male versus female arms race (involving physical structures, be...
Conservation International & Disney discover new species in the 'Realm of the Yeti'
...et so deadly, locals call it the 'Yak Killer'; a beetle
that buries birds and small rodents in subterranea...s from mating with her. The confirmation of a new beetle
species (Nicrophorus schawalleri) that specializes in burying small bird and rodent carcasses into a...
K-State researchers study gene regulation in insects
...said. "A fruit fly has a very specific shape and a beetle
looks quite different. We thought it would be a go...the function of these genes is eliminated, can the beetle
still make segments?" According to Brown, some of the genes that make segments in fruit flies are al...
Biotech cotton provides same yield with fewer pesticides
...a. That allowed the researchers to compare ant and beetle
biodiversity among the various cotton fields and the uncropped areas. The team used Geographical Information Systems (GIS) and LANDSAT satellite imagery to map the fields and evaluate plant growth in the non-cultivated areas. Plant growth can affect...
Better beetle sought for salt cedar control
...d Carney are making new releases of the Uzbekistan beetle
thisyear in the heavy salt cedar stands on private... Michels and Carney said their Texas salt cedar beetle
work is part of alarger study that is looking at beetles from Fukang, China; Crete, Greece;Tunisia, ...
Velvet worm brains reveal secret sisterhood with spiders
...sects had distinctly different brains: beetles had beetle
brains, bees had bee brains, flies had fly brains. Other arthropods, too, had brains that were uniquely their own: spiders, scorpions, centipedes and crabs could all be told apart by their brains. Onychophoran brains were initially a puzzle. But on...
Transmission rates of vCJD
...otypic and functional damage to self-tissue in the beetle
Tenebrio molitor. This type of self-harm (autoreactivity) and the life-history implications that arise from it, are central to understanding evolutionary phenomena such as the dynamics between hosts and parasites as well as the nature of immune syste...