(PhysOrg.com) -- New University of Arizona research has discovered that seed beetles from the desert Southwest shelter their broods from attacking parasitic wasps under a stack of dummy eggs.
Plants & Animals
Sep 14, 2011
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As mountain pine beetles march across the forests of western North America, these insects may kill millions of pine trees during a single outbreak. A rise in overall temperatures over the past several years has increased ...
Ecology
May 31, 2011
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Aggressive male mating behavior might well be a successful reproductive strategy for the individual but it can drive the species to extinction, an international research team headed by evolutionary biologist Daniel Rankin ...
Plants & Animals
May 16, 2011
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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 ...
Plants & Animals
Oct 22, 2009
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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 ...
Plants & Animals
Jun 25, 2009
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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 led by an undergraduate ...
Plants & Animals
Mar 5, 2009
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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 ...
Feb 20, 2009
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