Western flower thrips is becoming an increasing problem in orchards It takes vigilance to prevent damage by some stone fruit pests because they can return to the orchard after leaving for other hosts during the summer. Tim Smith, Washington State University Extension educator for north central Washington, said one such pest is the green peach aphid, which has a wide range of other hosts besides peaches and nectarines. Smith explained the pest’s unusual life cycle during the Lake Chelan Hort Day in January. Although green peach aphid has a huge host range in the summer, it overwinters only on fruit […]