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Image from page 39 of "Cooperative agricultural pest survey 2006 report " (2007) | by Internet Archive Book Images
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Image from page 39 of "Cooperative agricultural pest survey 2006 report " (2007)

Title: Cooperative agricultural pest survey 2006 report

Identifier: 05E77E62-9F5D-4DC5-85A6-70310ECE3175

Year: 2007 (2000s)

Authors: Montana. Dept. of Agriculture; United States. Animal and Plant Health Service

Subjects: National Agricultural Pest Information System (U. S. ); Agricultural pests

Publisher: [Helena, Mont. ] : Commodity Services Bureau, Montana Dept. of Agriculture

Contributing Library: Montana State Library



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Text Appearing Before Image:

Fig. 4: EPSM adult. Taken from Emerald ash borer (see Figs. 5 and 6) is a more recent pest problem. Since its discovery in Michigan in 2002, EAB has spread to Ohio, Indiana, and Ontario, killing 20 million ash trees and causing a regulatory quarantine to prevent EAB movement in the three U.S. states. Highly selective eaters, EAB larvae invade the inner bark of ash trees and inhibit water and nutrient translocation. The goals of Montana's EAB survey were to get a general idea of the quantity of ash trees throughout the state and to search for telltale signs of EAB infestations.


Text Appearing After Image:

Figs. 5 and 6: Ash borer larva and adult. Taken from Apple maggot (see Fig. 7), unlike the other three pests, is native to the U.S. It is distributed from Oklahoma to North Dakota and eastward. As its name indicates, AM use apple trees as a host, but they also feed on a variety of other fruits, including Cretaegus, a shrub native to Montana. Females lay their eggs beneath the skin of fruits. Larvae emerge to feed on the fruit; then, when the fruit drops, larvae transform into pupae and burrow into the soil to overwinter. -40



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Uploaded on February 27, 2015