Horticultural Pest Control Board
Entomology and Horticulture in the News
New from WSU Extension: Enhancing conifer survival with debris and understanding why bee colonies fail
The latest guides show how woody debris provides an ideal microsite for future generations of conifers and help beekeepers understand the many stressors that cause a honey bee colony to collapse.
WSU uses history to breed better cherries
WSU scientists dive into the history of cherry breeding to benefit consumers and growers.
New master’s degree expands horizons for WSU wine science students
Offered via the university’s Tri-Cities campus, the new master’s degree helps solidify WSU as a global leader in graduate-level wine science research by preparing students for successful careers in an evolving industry.
- Early Season Numbers of Spotted Wing Drosophila Monitoring for Spotted Wing Drosophila Begins in Skagit County Monitoring for Spotted Wing Drosophila (SWD) in blueberry fields throughout Skagit County began on May 26, 2026. Traps are checked weekly to track […]
- End of Season Pest Report 2025 Current Pest Board Targets: Spotted Wing Drosophila (SWD) A grand total of 16,214 adult SWD flies were caught in Skagit County this season. An average of 257 individuals were found on each sampling day, or about […]
Spotted Wing Drosophila (SWD)
Brown Marmorated Stink Bug (BMSB)
Potato Psyllid
Western Cherry Fruit Fly
Walnut Husk Fly lid
The Law
According to RCW 15.09.060 – Each owner of land containing any plant or plants shall perform or cause to be performed such acts as may be necessary to control and to prevent the spread of horticultural pests and diseases, such pests and diseases are defined under RCW 15.08.010, as now or hereafter amended, or as such pests and diseases are defined by the director of the department of agriculture in accordance with the purpose of this chapter and with the provisions of the Administrative Procedure Act, chapter 34.05 RCW. The word “owner” as used in this section shall mean the possessor or possessors of any form of legal or equitable title to land and entitlement to possession. For purposes of liability under this chapter, the owners of land shall be jointly and severally liable. RCW 15.09.080 for more information.
Summary: Homeowners may be liable for losses suffered by neighboring commercial orchards.