News tagged with wasps

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Angry wasps deal to their competitors

(PhysOrg.com) -- Scientists at Victoria University have identified a surprising and previously unknown behaviour in the animal world by studying interactions between native ants and invasive wasps in South Island beech forests.

dateMar 30, 2011 in Plants & Animals
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Solving an old mystery with wasps

Swiss researchers at ETH Zurich and the University of Zurich have discovered that a single gene in a particular aphid wasp decides whether the insects reproduce sexually or asexually. This is not only of interest ...

dateMar 01, 2011 in Plants & Animals
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Wasps wage war on behalf of wiliwili trees

A black, two-millimeter-long wasp from East Africa is helping wage war on one of its own kind—the Erythrina gall wasp, an invasive species that's decimated Hawaii's endemic wiliwili (Erythrina sandwicensis) and in ...

dateSep 28, 2010 in Ecology
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Uncovering behavior of long-dead insects

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 ...

dateJul 19, 2010 in Evolution
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Can wasps help save Britain's conker trees?

Wasps, regarded by many as a pest, could be the salvation of Britain’s imperilled conker trees currently under threat by an ‘alien’ species of moth that is rapidly spreading damage across the country’s ...

dateJul 09, 2010 in Ecology
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The ant queen's chemical crown

The defining feature of social insects is that societies contain queens, which specialise in laying eggs, as well as workers, which are mostly infertile but take care of the offspring and the nest. However, when the queen ...

dateJun 30, 2010 in Plants & Animals
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