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Views: 260
Updated
June 1, 2017
Description
Norway rats are one of the most destructive creatures known to man. They destroy and contaminate untold quantities of food, and through their tunneling activities, undermine the foundations of...
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Views: 356
Updated
January 1, 2017
Description
Presents a description of the spotted alfalfa aphid, describes the type of damage it can cause to alfalfa crops, and looks at biological and chemical methods of controlling the insect. This...
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Views: 1992
Updated
December 1, 2016
Description
People generally relate skunks to the foul-smelling, defensive spray they discharge when scared or threatened. Generally, people avoid skunks and have little tolerance for their presence. In many...
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Views: 376
Updated
January 1, 2014
Description
Bertha armyworm (Mamestra configurata) is one of the most significant insect pests of canola in Canada. The pest occurs throughout Manitoba, Saskatchewan, Alberta and the interior of British...
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Views: 197
Updated
January 1, 2014
Description
The cabbage seedpod weevil (Ceutorhynchus obstrictus) was introduced to North America from Europe about 70 years ago. The weevil was discovered in British Columbia in 1931, and from there, it...
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Views: 565
Updated
October 1, 2006
Description
Colorado Potato Beetles (CPB) have challenged the world’s potato industry for decades. In production areas where these pests do not exist, producers and governments strive to maintain a CPB-free...
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Views: 1813
Updated
July 1, 2005
Description
Orchards, nurseries, shelterbelts and gardens can suffer economic losses and aesthetic damage because of gnawing animals. Most damage occurs from late fall until early spring when extreme weather...
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Views: 13712
Updated
July 1, 2005
Description
It seems a paradox that one of the most clever and most beautiful members of the bird family Corvidae (also includes jays, crows and ravens) could also be a serious pest. Unfortunately, the...
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Views: 559
Updated
July 1, 2005
Description
The porcupine is Alberta’s second largest rodent, measuring up to 90 cm in length and weighing as much as 12 kg (Figure 1). They live throughout the province, usually near stands of woody...
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Views: 241
Updated
March 1, 2003
Description
Grasshoppers are a major pest of both cultivated crops and rangeland grasses in the world’s semi-arid regions. Traditionally drier areas like southern Alberta are more prone to recurring problems,...