News tagged with female beetles

An integrated pest management program for coffee berry borer in Colombia

The coffee berry borer, Hypothenemus hampei (Ferrari), is considered one of the most serious pests in coffee plantations worldwide. Infestations of this small beetle are difficult to combat; most of the in ...

Biology / Ecology

created Mar 14, 2012 | popularity not rated yet | comments 0

Predators hunt for a balanced diet

An international team of scientists from the Universities of Exeter and Oxford in the UK, University of Sydney (Australia), Aarhus University (Denmark) and Massey University (New Zealand) based their research ...

Biology / Plants & Animals

created Jan 11, 2012 | popularity 4.5 / 5 (2) | comments 2

Firewood movement leading cause of oak infestation in San Diego County

A catastrophic infestation of the goldspotted oak borer, which has killed more than 80,000 oak trees in San Diego County in the last decade, might be contained by controlling the movement of oak firewood from that region, ...

Biology / Ecology

created Sep 02, 2011 | popularity 5 / 5 (1) | comments 0

Female dung beetles use horns to fight over manure

(PhysOrg.com) -- Dung beetles are among the few species in which the females are more impressively equipped with armor than males, and a new study explains why: the females fight each other for the best manure ...

Biology / Plants & Animals

created Mar 04, 2010 | popularity 4 / 5 (2) | comments 2 | with audio podcast report

Female choice benefits mothers more than offspring

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 ...

Biology / Plants & Animals

created Oct 22, 2009 | popularity 3.7 / 5 (3) | comments 2

Good males are bad fathers

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 ...

Biology / Plants & Animals

created Jun 25, 2009 | popularity 3.8 / 5 (4) | comments 2

Lustful beetles desire water, not sex

(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 ...

Biology / Plants & Animals

created Mar 05, 2009 | popularity 4.2 / 5 (5) | comments 0

Mating that causes injuries

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 ...

Biology /

created Feb 20, 2009 | popularity 2.5 / 5 (2) | comments 0