Why do some insects lay their eggs in some walnuts and not in others? The answer is to be found in the smell given off by these nuts when they are broken, and that is why it is important to differentiate between the aromas ...
Ecology
Jun 8, 2015
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Even though the walnut twig beetle (WTB) is likely native to Arizona, California, and New Mexico, it has become an invasive pest to economically and ecologically important walnut trees throughout much of the Western and into ...
Ecology
May 28, 2015
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Black walnut (Juglans nigra L.) is native to much of the eastern United States and is highly valued for its nuts and timber. Black walnut fruit generally reach most of their size by mid-August and mature by late September ...
Ecology
Nov 17, 2014
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Researchers from Purdue and Colorado State universities have discovered that the fungus responsible for thousand cankers disease, a lethal affliction of walnut trees and related species, has a rich genetic diversity that ...
Ecology
Nov 13, 2014
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Planting trees and creating green space in cities is good for attracting species, but it may not be enough to ensure biodiversity in built environments, a University of Iowa study has found.
Plants & Animals
Oct 31, 2014
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Grinning with pride, a Chinese farmer held out two precious walnuts—globes so precisely symmetrical that consumers in search of hand massages value them more highly than gold.
Business
Oct 14, 2014
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(Phys.org) —New research from entomologists affiliated with the University of California, Davis, shows how environmental conditions influence the seasonal flight behavior of the walnut twig beetle, which spreads a deadly ...
Ecology
Sep 1, 2014
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Thousand cankers disease, a relatively new disease to Colorado that is lethal to infested black walnut trees, has now arrived in the northeast plains. The disease was confirmed in Fort Morgan through cooperative efforts of ...
Ecology
Aug 14, 2014
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Animals have an easy life. They can run, hide, or bite back when predators are on the prowl. Plants cannot. Instead they have evolved to deploy a range of defence mechanisms including chemical warfare and insect armies.
Plants & Animals
Mar 31, 2014
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(Phys.org) —Stocking up on firewood is on the minds of many Coloradans, with some seeking full cords for winter fuel while others are in need of only a few armloads for fall hunting trips. But because of the immense impact ...
Ecology
Aug 30, 2013
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