Sentences with phrase «by gypsy moths»

Host plants utilized by Gypsy Moths affect survival and development of the parasitoid Cotesia melanoscela.

In eastern U.S. oak forests, defoliation by gypsy moths and the risk of Lyme disease are determined by interactions among acorns, white - footed mice, moths, deer, and ticks.

Not exact matches

In a 3 - year study described in today's Science, the researchers showed that bumper crops of acorns lead to an explosion of mice, and the mice in turn protect oak trees by eating gypsy moths.

But the study also highlights the challenge of managing ecosystems, because in this case trying to cut down on Lyme disease by, say, trapping mice could send gypsy moth numbers soaring.

To tease out these links, Clive Jones and Richard Ostfeld's team at the Institute of Ecosystem Studies in Millbrook, New York, and Jerry Wolff of Oregon State University in Corvallis first showed by trapping mice in experimental forest plots that fewer mice means much greater survival rates for gypsy moth pupae.

The secret ingredient is a compound known as 2 - pyrrolidinone, which is also made by gypsy - moth caterpillars to ward off predatory ants.

Read more >> Summer of the Gypsy Moths by Sara Pennypacker Published by Balzer & Bray; ages 8 and up How do you make the most of an unthinkable situation?

re Dan H. 541 — that's what I meant by human population dynamics being «fortunately complex» — that it helps to control our population growth by being nice to each other (in specific ways), as opposed to how we would control deer or lady bugs (or aphids) or gypsy moths, etc. (would that change if deer reached a stage part - way between subsistence and affluence?