Scientists at The University of Manchester have found evidence of the genetic basis of the evolutionary arms-race between parasitoids and their aphid hosts.

Biology - Plants & Animals

Apr 09, 2013 not rated yet 0 |

A mysterious parasitoid wasp was found in the Böhmerwald (Northeast Austria) and reared in the garden of the amateur entomologist Ewald Altenhofer of Gross Gerungs municipality, Austria. The parasitoid wa ...

Biology - Plants & Animals

Mar 25, 2013 not rated yet 0

Two wasp species, Calymmochilus dispar and Gelis apterus, have been recorded as parasitoids on ant-eating spiders in a study published in the open access journal ZooKeys. The host spider, Zodarion styliferu ...

Biology - Plants & Animals

Feb 04, 2013 not rated yet 0

When herbivores such as caterpillars feed, plants may "call for help" by emitting volatiles, which can indirectly help defend the plants. The volatiles recruit parasitoids that infect, consume and kill the ...

Biology - Plants & Animals

Nov 27, 2012 5 / 5 (2) 3 |

(Phys.org)—Yesterday there were just 15, but today there are at least 192 species of South and Central American orthocentrine parasitoid wasps, scientists report in the journal Proceedings of the Royal So ...

Biology - Plants & Animals

Oct 03, 2012 not rated yet 1 |

A U.S. Department of Agriculture (USDA) scientist is showing growers how to combat whiteflies and other crop pests by using plants as storehouses for predatory insects that can migrate to cash crops and feed ...

Biology - Ecology

Sep 10, 2012 not rated yet 0

Spider flies are a rarely collected group of insects. Adults are considered important pollinators of flowers, while larvae live as internal parasitoids of juvenile spiders. Eight genera are recorded in Aust ...

Biology - Plants & Animals

Mar 02, 2012 3.7 / 5 (3) 0

Three widely differing forms of European Scambus parasitoid wasps that had previously been regarded as distinct species are shown to be seasonal morphs of a single species. The collaboration involved National ...

Biology - Plants & Animals

Oct 26, 2011 not rated yet 1

Flight attacks of small parasitoid wasps (no larger than 2.0 mm in size) on ant workers have been filmed by José María Gómez Durán from Madrid. The four species of wasps show amazing adaptations ...

Biology - Plants & Animals

Aug 29, 2011 5 / 5 (3) 1

What can you learn from the 120 year-old body of a parasitoid wasp? Using material from museum collections, researchers writing in the open access journal BMC Evolutionary Biology report that they can tell how males wasps ...

Biology - Evolution

Jul 19, 2010 not rated yet 0

Parasitic wasps kill pest insects, but their existence is largely unknown to the public. Now, scientists led by John H. Werren, professor of biology at the University of Rochester, and Stephen Richards at ...

Biology - Plants & Animals

Jan 14, 2010 3.8 / 5 (5) 4 |