Browse resources Displaying 151 - 160 of 249 resources Photo: Ralph Berry, Oregon State University (Cropped from original) Spider Mites Hosts: spruce, arborvitae, several perennials Jul 2018 | Online resource Photo: Ken Gray Insect Image Collection (Cropped from original) Sequoia Pitch Moth Hosts: all pine trees Jul 2018 | Online resource Photo: Ken Gray Insect Image Collection (Cropped from original) Root Weevils Information on and management of root weevils. Jul 2018 | Online resource Photo: Utah State University (Cropped from original) Poplar Twiggall Fly Hosts: aspen and poplar Jul 2018 | Online resource Photo: Ohio State University (Cropped from original) Pine Needle Scale Hosts: pines and spruce Jul 2018 | Online resource Photo: Ken Gray Insect Image Collection (Cropped from original) Pear Sawfly Hosts: cherry, plum, hawthorn, pear, chokeberry, cotoneaster Jul 2018 | Online resource Photo: Amy Detweiler, Oregon State University (Cropped from original) Oystershell scale Hosts: aspen, ash, cotoneaster, dogwood, maple, willow, lilac Jul 2018 | Online resource Photo: Ken Gray Insect Image Collection (Cropped from original) Onion Maggot Hosts: onion Jul 2018 | Online resource Photo: Ken Gray Insect Image Collection (Cropped from original) Bronze Birch Borer Information on the bronze birch borer from the Pacific Northwest Pest Management Handbook. Jul 2018 | Online resource Photo: Alan Dennis (Cropped from original) Rincon-Vitova Insectaries RVI produces and distributes insects and other organisms, supplies and tools for biological control of pests. Jul 2018 | Online resource Pagination First page « First Previous page ‹ Previous … Page 12 Page 13 Page 14 Page 15 Current page 16 Page 17 Page 18 Page 19 Page 20 … Next page Next › Last page Last »