«A weaker defense system may also be why we are seeing a strong preference
now by the beetle for whitebark pine over lodgepole pine, which has long been its preferred host.»
Not exact matches
Now this is a collection made
by a lawyer called E. Y. Western who died in 1924, and he died leaving a collection — a private collection — of some 10 -LSB-, 000] or 12,000
beetles.
The morbid color,
by now a staple of the Rockies, comes not from fire or some exotic disease but from an insect no larger than a grain of rice — the bark
beetle.
Beetles are
now wiping out trees, even whole forests, at an unprecedented pace; they ravaged 9.2 million acres of forest in the western United States in 2010, according to the Forest Service, three times as much as that destroyed
by fire.
Now, research from Florida State University has illuminated the piecemeal patterns of recolonization among a hardy species of
beetle regularly affected
by these managed burns.
Beetles can skate across water
by decreasing the surface tension -
now tiny engines made from droplets, nanopowder and laser light are using the same trick
McAlister honed her interest
by doing fieldwork during her undergraduate years: She spent several months working at the
now - defunct Institute of Terrestrial Ecology in Dorset, where she studied the effects of climate change on heather
beetles.
One of the largest and most important groups of dung
beetles in the world evolved from a single common ancestor and relationships among the various lineages are
now known, according to new research
by an entomologist from Western Kentucky University.
A team of researchers led
by Ralph Bock at the Max Planck Institute for Molecular Plant Physiology, in Potsdam, Germany,
now reports that it has found a way to protect crops from the Colorado potato
beetle with a new insecticidal tool: RNA interference, or RNAi (Science 2015, DOI: 10.1126 / science.1261680).
Listed as of November • Ventura Marsh milk vetch (California) • White abalone (California) * • Ohlone tiger
beetle (California) • Spalding's catchfly (Idaho, Montana, Oregon, Washington) • Scaleshell mussel (Arkansas, Missouri, Oklahoma, S. Dakota) • Holmgren milk vetch and Shivwitz milk vetch (Arizona, Utah) Delisted • Aleutian Canada goose (Alaska, California, Oregon, Washington) emergency listings being processed
now • Tumbling Creek cavesnail (Missouri) • Pygmy rabbit (Washington) • Carson wandering skipper (California, Nevada)(* listed
by National Marine Fisheries Service)
I don't wear it often, but that might have to change
now that I've scored this
beetle - print shirt
by Tory Burch.
If making wildfires more dangerous and reducing the amount of carbon that is safely stored in these forests wasn't worrisome enough,
now Katie Valentine at Think Progress notes another of the myriad ripple effects caused
by these
beetles: BEAR ATTACKS!
However, even then, large forested areas can eventually be overwhelmed
by sheer
beetle numbers, as is
now happening in many places.
Note: This is the first of two or more articles on the extensive tree mortality
now being caused
by bark
beetles in western North America.