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Tag: "beetle" at biology news

Hives ferment a yeasty brew, attract beetle pest

...head for the hive. In Africa, where the small hive beetle is a minor honeybee pest, bees quickly isolate an ...ts into the colony," says Tumlinson. "Perhaps one beetle finds and carries the yeast in and it reproduces, or, because the yeast grows on pollen in nature, p...

Discovery of new cave millipedes casts light on Arizona cave ecology

...ecies, a new barklouse (Psocoptera) species, a new beetle species, and possibly two new springtail species (Collembola). With many of the collected specimens still awaiting identification by taxonomists, the researchers believe additional species discoveries are likely. The new millipede genus will be na...

Canada's new government invests $200M in the fight against the mountain pine beetle

...oday announced measures to fight the mountain pine beetle and address its impacts on communities and forests...e $200 million to minimize the consequences of the beetle infestation and assist in efforts to slow the infestation's eastward spread. "This outbreak is a ma...

Custom-made cancer cell attacks

...h year forests the size of Rhode Island because of beetle infestation, because it is not cold enough in the winter to kill the beetles, and they are killing the forest.'' Achievable goals The president's target of 35 billion gallons of alternative fuels by 2017 ''is very substantive, but Bush did no...

Cellulosic ethanol: Fuel of the future?

...h year forests the size of Rhode Island because of beetle infestation, because it is not cold enough in the winter to kill the beetles, and they are killing the forest.'' Achievable goals The president's target of 35 billion gallons of alternative fuels by 2017 ''is very substantive, but Bush did no...

Vanishing beetle horns have surprise function

...mergence as adults. "The formation of horns by beetle pupas that soon lose them just doesn't seem to mak...pecies. They also studied the development of eight beetle species in the laboratory (seven Onthophagus species and one species from the closely related but ho...

Giant insects might reign if only there was more oxygen in the air

...s today: tracheal oxygen supply to the legs limits beetle size,'' will be presented Oct. 10 and 11 at Compar...t larger whether there is a limit to the size a beetle could grow in the current atmosphere The researchers used x-ray images to compare the trache...

New genetic analysis forces re-draw of insect family tree

...Anopheles gambiae), silk moth (Bombyx mori), flour beetle (Tribolium castaneum), honey bee (Apis mellifera) and sibling parasitic wasp species (Nasonia vitripennis and Nasonia giraulti). These insects represent the four major orders of holometabolous insects, beetles (Coleoptera), moths (Lepidoptera), f...

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 affec...

Beekeepers work hard for the honey, despite changing tupelo forest

...t and 50 percent of their bee colonies to mite and beetle infestations. But the challenges facing beekeepers in Wewahitchka are as much political and economic as they are ecological, and it's the inclusion of those factors - zoning regulations, land development, higher property taxes and increased cost of...

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, ...

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...

Scaled-down genome may power up E. coli's ability in lab, industry

...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 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 a...

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, b...

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. ...

K-State professors discover enzyme responsible for creation of a beetle's hard shell

... 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...

Emerald Spectre haunts Ontario's ash forests

...or-Detroit area. "In the Great Lakes region this beetle invasion is mushrooming out like an atomic bomb go...nvironmental Research. The small, metallic green beetle ?adults are about the length of a thumbnail ?was first detected following an unusual dieback of ash ...

Beetle-inspired switch uses water for bonding

...t 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...

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 pheromone biosynthesis." ...

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