Q: How do i get rid of symphylans? I have turned the dirt numerous times and treated with Bifenthrin as was directed by a soil expert at a local greenhouse ( 3 days ago) and they're still alive and well. Help!!! I am trying to get some of my cold crop starts in the ground, but want to get rid of these bugs first.
Search OSU Extension
A microscopic parasitic roundworm is costing Pacific Northwest wheat growers $51 million in lost revenue each year because it's cutting grain yields by an average of about 5 percent, according to estimates by Oregon State University researchers.
Topics covered include the life cycle of entomopathogenic nematodes; how they control insect pests; obtaining, using, and storing; soil conditions necessary; application preparation, equipment, and rates; pesticide safety; and websites that provide more specific information.
OSU experts bust some well-established myths
Oregon State University Crop and Soil Science Masters student Pahoua Yang focuses her research project on Colorado potato beetle, Leptinotarsa decemlineata. Her project is to determine baseline information for several commercial insecticides. This includes a brief background of the importance of CPB and basic biology. Her work includes bioassays, field studies results, and future implications of her study. She is doing her research at Hermiston Agricultural Research and Extension Center.
If you see notches in leaves, chances are your plant is being attacked by pesky beetle
Winter is a good time to check for insects on your houseplants
Larvae feed on grass and leave swaths of brown patches that can be repaired