Researchers find instance of parasites fueling cannibalism
Taking the 'sting' out of reproduction
(Phys.org) —Female parasitic wasps have more reproductive success when working together with other females, which can also explain sex biased reproduction, according to new research.
Mown grass smell sends SOS for help in resisting insect attacks, researchers say
The smell of cut grass in recent years has been identified as the plant's way of signalling distress, but new research says the aroma also summons beneficial insects to the rescue.
Fruit flies medicate their larvae with alcohol
DNA barcodes change our view on how nature is structured
Understanding who feeds on whom and how often is the basis for understanding how nature is built and works. A new study now suggests that the methods used to depict food webs may have a strong impact on how ...
Fossil of ancient spider attack only one of its type ever discovered
(Phys.org)—Researchers have found what they say is the only fossil ever discovered of a spider attack on prey caught in its web – a 100 million-year-old snapshot of an engagement frozen in time.
Indonesia enlists wasps in war on crop killer
They are the size of a pinhead and don't even pack a sting, but these tiny wasps are cold-blooded killers nonetheless. They work as nature's SWAT team, neutralizing a pest that threatens to destroy one of ...
Ancient 'fig wasp' lived tens of millions of years before figs
A 115-million-year-old fossilized wasp from northeast Brazil presents a baffling puzzle to researchers. The wasp's ovipositor, the organ through which it lays its eggs, looks a lot like those of present-day ...
Mummy-making wasps discovered in Ecuador
Some Ecuadorian tribes were famous for making mummified shrunken heads from the remains of their conquered foes. Field work in the cloud forests of Ecuador by Professor Scott Shaw, University of Wyoming, ...
This beetle uses eggs as shields against wasps
(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.
The genetics of life and death in an evolutionary arms-race
Scientists at The University of Manchester have found evidence of the genetic basis of the evolutionary arms-race between parasitoids and their aphid hosts.
Exploring the natural enemies of insect pests
A method of investigating whether aphid pests have been targeted by their gruesome enemies could shed new light on how farmland organisms interact, and potentially help protect important food crops.
Reducing numbers of one carnivore species indirectly leads to extinction of others
Previous studies have shown that carnivores can have indirect positive effects on each other, which means that when one species is lost, others could soon follow. A team from the University of Exeter and the University of ...
How insects domesticate bacteria: Symbiotic microbes' origin discovered after man impales hand on branch
Two years ago, a 71-year-old Indiana man impaled his hand on a branch after cutting down a dead crab apple tree, causing an infection that led University of Utah scientists to discover a new bacterium and ...