Aphids saved from gruesome death by virus-infected bacteria
The term "beneficial virus" sounds like an oxymoron. But for pea aphids under attack by parasitic wasps, carrying infected bacteria is the difference between life and a slow death, according to new research. ...
Aug 20, 2009 |
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New orchid deception found: wearing the scent of hornet's prey
Orchids are famous for their deceptions. Most of those with nothing of value to offer their pollinators lure them instead with the scents of more rewarding flowers or potential mates. Now, a report published online on August ...
Aug 06, 2009 |
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Missouri and Kansas are releasing alien insects to do battle with invasive plants
An alien plant species has invaded Missouri and is threatening to overrun crops and livestock pastures. To combat the scourge weed, officials are deliberately releasing two alien insect species to destroy its roots and seeds. ...
Aug 04, 2009 |
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New life histories emerge for invasive wasps, magnify ecological harm
A switch from annual to multiyear colonies and a willingness to feed just about any prey to their young have allowed invasive yellowjacket wasps to disrupt native populations of insects and spiders on two ...
Jul 20, 2009 |
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Clownfish provide clues to animal conflicts
(PhysOrg.com) -- Animal societies are hotbeds of conflict and cooperation, with creatures helping each other one moment and fighting the next. Biologist Andrew Zink has developed a new theoretical framework ...
Jul 02, 2009 |
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Changes in brain architecture may be driven by different cognitive challenges
(PhysOrg.com) -- Scientists trying to understand how the brains of animals evolve have found that evolutionary changes in brain structure reflect the types of social interactions and environmental stimuli ...
Jun 23, 2009 |
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When hosts go extinct, what happens to their parasites?
(PhysOrg.com) -- Hands wring and teeth gnash over the loss of endangered species like the panda or the polar bear. But what happens to the parasites hosted by endangered species? And although most people would ...
Jun 01, 2009 |
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Small investments to battle soybean pest paying off big, says MSU researcher
The small amount of money put toward fighting the tiny, yet destructive soybean aphid will pay big dividends in the coming years, said a Michigan State University economist, thanks to a research and outreach ...
Mar 23, 2009 |
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Research on viral origins suggests new definition of virus may be needed
(PhysOrg.com) -- The strange interaction of a parasitic wasp, the caterpillar in which it lays its eggs and a virus that helps it overcome the caterpillar’s immune defenses has some scientists rethinking the ...
Biology /
Feb 12, 2009 |
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Researchers observe evolution chain reaction
(PhysOrg.com) -- A team of researchers are reporting the ongoing emergence of a new species of fruit fly--and the sequential development of a new species of wasp--in the February 6 issue of the journal Science.
Biology /
Feb 05, 2009 |
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