Tag: "wasps" at biology news

Trained wasps may be used to detect bombs, bugs, bodies and more

...ia and U.S. Department of Agriculture. The trained wasps are contained in a cup-sized device, called a "Was...evice that puts the idea of using chemical-sensing wasps into a practical framework and its possibilities are astounding," says Rains, who believes that the ...

The shape of things to come: Morphology database going global

...her who specializes in the evolutionary history of wasps is now creating a buzz about a new way for scientists to store, share and study plant and animal images. Fredrik Ronquist, a professor in the School of Computational Sciences, is one of the founders of MorphBank, an international Web database that co...

Study in Royal Society journal on first observation of giant squid in the wild

...inen (rspb.2005.3249) Fig trees are pollinated by wasps that feed exclusively on figs. With over 750 pairs of fig species and pollinating wasp partners, this extraordinary symbiosis is the most extreme example of specialization in a plant- pollinator interaction and has fuelled much speculation about co-e...

The right hitchhiker can save an aphid's life

...for an aphid. Pea aphids are often under attack by wasps seeking to lay their eggs inside aphids, turning t...why some lineages of aphids readily succumb to the wasps and others don't. "This work shows the difference can be attributed to the symbionts, not to the aph...

West-Eberhard elected to the Italian Accademia Nazionale dei Lincei

...or some of the most important early work on social wasps was done by the Italian zoologist Leo Pardi, this recognition is especially meaningful to me" said West Eberhard. STRI director Ira Rubinoff commented that "Mary Jane is a worthy recipient of this award and it is an excellent example of the outstandi...

New theory tests sex ratios under asymmetrical local mate competition among parasitoid wasps

...em each with more females to mate with. Parasitic wasps that lay their eggs on insect hosts often have suc..., and the mating environment will be influenced by wasps emerging from all the parasitised hosts, some related to each other but some not. In a new study fe...

Sex discrimination in parasitoid wasps

...ugh they have exactly the same effect. Parasitoid wasps are haplodiploid. This means that the male wasps develop from unfertilised eggs and only have one set of chromosomes, namely those of their mother. F...

NHGRI targets 12 more organisms for genome sequencing

...ions. In the United States, the use of parasitoid wasps in agriculture as a biological control of crop damaging insects saves approximately $20 billion annually. The wasp will serve as a good comparison for the honey bee genome, which has been sequenced already. Two related wasp species, Nasonia giraulti ...

The blotchier the face, the better the wasp

...ing on airs doesn't cut it in the wasp world. When wasps sporting the high-quality symbol of a blotchy face...urned out to be wimps, they got harassed more than wasps whose abilities were honestly reflected by their faces, report researchers. It's the first conclusiv...

Rice biologists elected AAAS Fellows

...lve cooperation, conflict, or both. He has studied wasps and stingless bees to determine the benefits of sociality, the role of genetic relatedness and the extent of conflicts within social insect societies. Recently, he has turned his focus to the social amoeba Dictyostelium discoideum. Strassmann a...

Don't stand so close to me: A new view on how species coexist

...embled a simple artificial community of parasitoid wasps within a computer model, and then watched what hap...ey suggest this may explain the great diversity of wasps seen in nature. "There is a fixed amount of difference necessary," says Dr Bonsall. "This allows evo...

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