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Western spruce budworm caterpillar, sixth (final) instar Adult moths are about 1 / 2 inch (12.7 mm) long and have a wing-spread of 7 / 8 to 1 1 / 8 inches (22 to 28mm). Moths of both sexes are similar in appearance, although the females are a bit more robust than males.
Long-distance migration of the spruce budworm does occur as they can disperse across distances ranging from 20 to 450 km. In northern Minnesota, spruce budworm moths emigrate to the east lakeshore of Lake Superior in Ontario, Canada, because of seasonal changes. Dispersal is influenced heavily by temperature as low temperatures can slow down ...
Choristoneura freemani Razowski, 2008, western spruce budworm; Choristoneura fumiferana (Clemens, 1865), eastern spruce budworm; Choristoneura griseicoma (Meyrick, 1924) Choristoneura hebenstreitella (Muller, 1764), mountain-ash tortricid; Choristoneura heliaspis (Meyrick, 1909) Choristoneura improvisana (Kuznetsov, 1973)
The eastern spruce budworm is an example of a destructive insect in fir and spruce forests. Birds are a natural form of biological control, but the Trichogramma minutum, a species of parasitic wasp, has been investigated as an alternative to more controversial chemical controls. [64]
First occurrence around Medford, Massachusetts (1888) Progressive spread of the gypsy moth (L. dispar) across north east US from 1900 to 2007; compiled from county data by US Forest Service The spongy moth ( Lymantria dispar ), formerly known as the gypsy moth, was introduced in 1868 into the United States by Étienne Léopold Trouvelot , a ...
SNAP Schedule: Ohio Direction Card Payments for September 2022. Josephine Nesbit. September 11, 2022 at 6:00 PM. Hispanolistic / iStock.com.
The Ohio Department of Agriculture confirmed an Ohio cattle herd in Wood County has tested positive for bird flu. The test result is awaiting confirmation from the U.S. Department of Agriculture.
The World Livestock Auctioneer Championship is an annual competition of livestock auctioneers who practice the auction chant typical of rural areas in the United States and Canada. The competition is sponsored by the Livestock Marketing Association and was first held in 1963. [1] Brian Curless won the competition in 2017.