Sentences with phrase «pea aphids»

Why is it, entomologists have wondered, that the pea aphids of southern Wisconsin, like those shown here, come in two colors?

We learn, for example, how bacteria allow the Hawaiian bobtail squid to glow, how they permit pea aphids to subsist on nothing but plant sap, and how the wood rat has coopted them so it can digest otherwise toxic creosote.

Amanda Williams and Samuel Flaxman of the University of Colorado in Boulder treated broad bean plants with a non-toxic chemical to toughen up plant tissue, making them harder for pea aphids (Acyrthosiphon pisum) to feed on.

A kind of symbiotic bacteria found in pea aphids (smaller ovals) help the insects resist parasitic wasps.

Pea aphids can also host another poorly understood kind of bacteria (members of the gamma proteobacteria clade) that they get from their mothers.

Last week here at the Ecological Society of America meeting, ecologists described how a little - studied type of bacteria protects pea aphids against parasitic wasps.

Oliver says the bacterial defenders also might be one reason why using the wasps to control pea aphid pests in U.S. farmer's fields doesn't always work.

The experiments investigated both top - down (driven by predators) and bottom - up (food or resource limited) effects of the lights on the population density of a species of pea aphid, and in the presence and absence of predators including ladybirds.

The low intensity amber light was shown to inhibit, rather than induce, flowering in greater bird's foot trefoil, a wild relative of peas and beans that is a key source of food for the pea aphid in grasslands and road verges.

Among other projects, I got exposed to bioinformatics tools by joining the International Aphid Genomics Consortium for the annotation of the pea aphid genome.

Not exact matches

In a field study, Losey found that the ladybugs eat more red aphids because these stand out against the green pea plant.