News tagged with seed beetles
Female choice benefits mothers more than offspring
Oct 22, 2009 |
3.7 / 5 (3) |
2
The great diversity of male sexual traits, ranging from peacock's elaborate train to formidable genitalia of male seed beetles, is the result of female choice. But why do females choose among males? In a new study published ...
Good males are bad fathers
Jun 25, 2009 |
3.8 / 5 (4) |
2
Contrary to predictions, males of high genetic quality are not very successful when it comes to fertilizing eggs. A new study on seed beetles by Swedish and Danish scientists Göran Arnqvist and Trine Bilde shows that when ...
Lustful beetles desire water, not sex
Mar 05, 2009 |
4.3 / 5 (4) |
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(PhysOrg.com) -- Female seed beetles are known for their promiscuity, a surprising fact given that the males of the species have dangerously sharp spikes on their sex organs. Now a U of T Mississauga team ...
Mating that causes injuries
Biology /
Feb 20, 2009 |
2.5 / 5 (2) |
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Researchers at Uppsala University can now show that what is good for one sex is not always good for the other sex. In fact, evolutionary conflicts between the two sexes cause characteristics and behaviors that are downright ...
Search results for seed beetles
Inbreeding insects cast light on longer female lifespans
Biology /
Feb 06, 2009 |
not rated yet |
0
Inbreeding can unexpectedly extend male lifespan. Insect experiments described in the open access journal BMC Evolutionary Biology have shown that, in seed beetles, inbreeding causes males to live longer, while shortening ...
Cyborg beetles to be the US military's latest weapon (w/ Video)
Oct 15, 2009 |
4.7 / 5 (29) |
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(PhysOrg.com) -- A team of scientists funded by the US Defense Advanced Research Projects Agency (DARPA) have implanted miniature neural and muscle stimulation systems into beetles to enable their flight to ...
Fossilized dung balls reveal secret ecology of lost world
Other Sciences / Archaeology & Fossils
Jul 15, 2009 |
4.2 / 5 (6) |
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A new study of 30 million year old fossil 'mega-dung' from extinct giant South American mammals reveals evidence of complex ecological interactions and theft of dung-beetles' food stores by other animals.
Seasonal ladybug swarms pester even bug experts
Oct 22, 2009 |
4.5 / 5 (2) |
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(AP) -- Pest-control specialist Gene Scholes even gets bugged by them - legions of ladybugs lately swarming his rural Missouri home and other stretches across the country, exploiting gaps in door and window seals for cozier ...
Cornell releases predator beetle to battle hemlock pest
Nov 11, 2009 |
5 / 5 (1) |
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(PhysOrg.com) -- Cornell researchers released a well-studied beetle predator to test its ability to ward off a hemlock-killing aphid-like insect.
Inconspicuous leaf beetles reveal environment's role in formation of new species
Oct 30, 2009 |
4.4 / 5 (5) |
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(PhysOrg.com) -- Unnoticed by the nearby residents of St. Johnsbury, Vermont, tiny leaf beetles that flit among the maple and willow trees in the area have just provided some of the clearest evidence yet that ...
Modified crops reveal hidden cost of resistance
Oct 26, 2009 |
4.8 / 5 (6) |
1
Genetically modified squash plants that are resistant to a debilitating viral disease become more vulnerable to a fatal bacterial infection, according to biologists.
New tactics in Guam rhino beetle invasion
Oct 29, 2009 |
3 / 5 (1) |
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Canines and a bio-control organism come to the rescue of Guam's coconut trees in efforts to control an invasive species plaguing the island.
Early planting lets farmers be both mean and green, study shows
Biology /
Oct 10, 2008 |
4.5 / 5 (2) |
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(PhysOrg.com) -- Farmers can be both mean and green when protecting their canola fields from a pesky insect that poses a chronic threat, says a University of Alberta researcher.
Invasive Species on the March: Variable Rates of Spread Set Current Limits to Predictability
Sep 17, 2009 |
5 / 5 (1) |
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(PhysOrg.com) -- Whether for introduced muskrats in Europe or oak trees in the United Kingdom, zebra mussels in United States lakes or agricultural pests around the world, scientists have tried to find new ...
List of search results for seed beetles
