News tagged with pea aphids
Cunning super-parasitic wasps sniff out protected aphids and overwhelm their defenses
In the war between parasite and host, the parasitic wasp, Aphidius ervi, and the pea aphid, Acyrthosiphon pisum, are locked in a battle for survival. New research published in BioMed Central's open access j ...
Feb 23, 2012 |
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Color-changing bacterium inside the pea aphid
A bacterium that can live symbiotically inside the pea aphid, Acyrthosiphon pisum, is able to change the insect’s body color from red to green, a RIKEN-led team of molecular entomologists has found. Becaus ...
Jan 07, 2011 |
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In Brief: A symbiotic, color-changing relationship
For the tiny pea aphid, body color is a matter of life and death: Red and green color morphs determine their susceptibility to various predators and parasites in the wild.
Nov 21, 2010 |
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Using a pest's chemical signals to control it
Agricultural Research Service (ARS) scientists are tapping into the biochemistry of one of the world's most damaging insect pests to develop a biocontrol agent that may keep the pest away from gardens and ...
May 17, 2010 |
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First case of animals making their own carotene
The insects known as aphids can make their own essential nutrients called carotenoids, according to University of Arizona researchers.
Apr 29, 2010 |
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Aphid's genome generates exciting questions
The genome of the pea aphid (Acyrthosiphon pisum), sequenced by the International Aphid Genomics Consortium, is published this week in the online open-access journal PLoS Biology. Scientists from more tha ...
Feb 23, 2010 |
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Aphids saved from gruesome death by virus-infected bacteria
The term "beneficial virus" sounds like an oxymoron. But for pea aphids under attack by parasitic wasps, carrying infected bacteria is the difference between life and a slow death, according to new research. ...
Aug 20, 2009 |
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Gene developed through conventional breeding to improve cowpea aphid resistance
The cowpea or black-eyed pea, as it is more commonly known, is a New Year's tradition for good luck. But disease and particularly aphids, which can wreck a crop within a few a days, are especially bad luck for the cowpea, ...
Jul 29, 2009 |
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Aphids borrowed bacterial genes to play host
Most aphids host mutualistic bacteria, Buchnera aphidicola, which live inside specialized cells called bacteriocytes. Buchnera are vital to the aphids well being as they provide essential amino acids that are scarce in its ...
Mar 09, 2009 |
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