White pine weevil (Pissodes strobi) is a native North American insect that attacks native white pine in eastern Canada while in prairie provinces it only attacks spruce trees ( white, Colorado, and Norway). The white pine weevil attack and injure terminal leader of spruce trees. In late June, affected new growth will wilt and turn […]
White Pine Weevil -What to do Read More »
The spruce budworm (Choristoneura fumiferana) is a native moth and one of the most serious and damaging spruce and fir trees defoliator in North America. It primarily attacks spruces ( white, black Colorado) and balsam fir trees in Alberta. It is a wasteful feeder on current year needles. White spruce is naturally established on 9
Black knot (Dibotryon morbosum) is a prevalent disease in the Canadian prairies, naturally occurring and predominantly affecting trees and shrubs within the Cherry (Prunus) genus. Various species, including ornamental and edible cherries (such as Maydays, Schubert chokecherry, chokecherry, Nanking cherry, pin cherry, sand cherry, sour cherry, etc.), Saskatoon’s, and plums are susceptible to this disease.
Black Knot -Avoid Mistakes Read More »
Poplar borer (Saperda calcarata Say) is a native North American wood boring beetle that attack native aspen, balsam poplar and willows. Poplar borer beetle also attack a variety of poplar cultivars including Swedish aspen and Towering Poplar. It is one of the most common insect for Swedish aspen and Towering poplar in urban area. Many
Poplar borer – wood boring beetle that attack Swedish Aspen and Towering Poplar Read More »
The elm trees add significant beauty to our cities, towns and farms. European elm scale has introduced insects from Europe in 1884 to the USA and spread very quickly from coast to coast. It can create significant damage to many elm trees on the Prairie Provinces.
European elm scale is danger to our elm trees Read More »
