spider mites

Firewood cutters in the Council, ID area are asked to be aware of trees that may appear dead, but in fact are still alive.  According to the Idaho Department of Lands, hundreds of acres of healthy Douglas-fir trees on endowment trust land have been attacked by spruce spider mites.  ID...

Washington State University reported Friday that potato psyllids were reported on 86% of sticky card traps on monitored fields across the Columbia Bain. School officials added there is one “hot spot” for potato psyllids action this season, north of the Tri-Cities in Franklin County. And while ...

With temperatures well above 100 degrees, corn growers are asked to watch for pests in their fields.  Washington State University’s Tim Waters said compared to other vegetable crops, corn can handle the heat better, water levels will need to be monitored closely.  But he s...

Northwest corn crops will benefit from the warmer weather in the forecast.  But with that increased growth comes the need to scout for a pests.  Tim Waters with WSU says they’ve received reports over the past couple of weeks of a new pest, specifically on the southern Columbia Basin.  While he woul...

WSU Researchers say they have found potato psyllids on just three of 55 sticky cards they’ve placed in their sampling fields.   At this time last year they had collected more than 3,200. That’s why they expect that an infestation to come though not as large as last year and not necessarily in every field.   Recomme...

Row crop growers are reminded to scout their fields this time of year for spider mites.  WSU Extension’s Tim Waters says it’s the time of year when spider mites begin to develop and thrive thanks to the warm dry weather.  Waters notes spider mites are typically held in check by other predators, but many of those predators are gone, thanks to a spring and summer of regular insecticide application.