Posts Tagged ‘beetles’
Bump in ozone bewilders bugs
PENN STATE (US) — Increases in ground-level ozone, especially in rural areas, not only interfere with the ability of predator insects to find host plants but also with pollinators to find flowers. Continue…
Tuesday, April 2, 2013 15:14 - 0 Comments
Society & Culture - Nov 26, 2012 13:27 - 0 Comments
How bugs made their mark in European art
PENN STATE (US) — Since the Renaissance, wormholes in woodblocks have left errors in printed art, but new research uses those traces to reveal which beetle species are responsible. (more…)
Top Stories - Nov 26, 2012 11:17 - 2 Comments
Beetles in paradise: 14 new species in Tahiti
CORNELL (US) — Entomologists have discovered 14 new beetle species in the Society Islands in the South Pacific Ocean. (more…)
Science & Technology - Aug 6, 2012 14:31 - 0 Comments
Beetles eavesdrop on ant pheromone chatter
U. MICHIGAN (US) — Predatory beetles can detect the unique alarm signal released by ants being attacked by parasitic flies, and use what they overhear to pick safe egg-laying sites on coffee bushes. (more…)
Top Stories - Jul 27, 2012 10:03 - 1 Comment
Studmuffin beetles boast bigger horns
MICHIGAN STATE (US) — The big horns that male elk and rhinoceros beetles use to attract females really are signs of superior health, according to a study of the bugs’ insulin levels. (more…)
Earth & Environment - Jul 12, 2012 14:42 - 1 Comment
To eat invasive shrub, beetles evolve quickly
UC SANTA BARBARA (US) — The fight against an invasive plant is getting a boost from rapidly evolving beetles whose life cycle has changed to eat the weed more efficiently. (more…)
Science & Technology - Jun 6, 2012 14:45 - 1 Comment
Beetles in ‘bro zone’ reproduce less often
U. VIRGINIA (US) — Male beetles who only hang out with other guys have less sex than those who are more social, say researchers interested in the evolution of social behavior. (more…)
Earth & Environment - Mar 3, 2011 13:37 - 0 Comments
Southwest welcomes tree-eating beetle
UC SANTA BARBARA (US) — Simply by eating the leaves of an invasive tree that soaks up river water, an Asian beetle may help to slow down water loss in the southwestern United States. (more…)
Earth & Environment - Feb 2, 2011 13:21 - 1 Comment
Beetles at war with invasive weed
U. FLORIDA (US) — A South American beetle drafted into battle is winning the war against tropical soda apple (TSA), an invasive weed that takes over pastures by elbowing out forage grasses ranchers need for their cattle. (more…)
Earth & Environment - Sep 8, 2010 10:04 - 1 Comment
Beetle bearing down on ash trees
CORNELL (US)—The emerald ash borer has the potential to devastate ash trees in the Northeast and is already taking a toll in western New York just over a year since its arrival in the state. (more…)
Earth & Environment - Jan 15, 2010 17:53 - 0 Comments
Pest with an appetite for biofuel crops
U. ILLINOIS—The western corn rootworm beetle, a pest that feasts on corn roots and corn silk and costs growers more than $1 billion annually in the U.S., also can survive on the perennial grass Miscanthus x giganteus, a potential biofuels crop that would likely be grown alongside corn, researchers report. (more…)
Earth & Environment - Nov 2, 2009 11:35 - 0 Comments
Beetles point to habitat’s role in biodiversity
VANDERBILT (US)—Tiny leaf beetles that flit among the maple and willow trees in a Vermont town have provided some of the clearest evidence yet that environmental factors play a major role in the formation of new species. (more…)
Earth & Environment - Oct 28, 2009 15:26 - 4 Comments
Hidden costs of modified crops
PENN STATE (US)—Genetically modified squash plants that are resistant to a debilitating viral disease become more vulnerable to a fatal bacterial infection, according to biologists. (more…)
