{"@context":"https:\/\/schema.org","@type":"WebPage","metadata":{"page_id":49947,"page_name":"european-chafer-damaging-new-pest","domain":"www.pacscape-wa.com","url":"https:\/\/www.pacscape-wa.com\/european-chafer-damaging-new-pest","generated_at":"2026-03-04T17:34:31-08:00","last_modified":"2026-03-04T17:34:30-08:00"},"content":{"complete_text":"","headings":[{"level":1,"text":"European Chafer, Damaging New Pest","from_bloq":646316,"tag":"h1"},{"level":2,"text":"We Are Training Our Staff To Identify, To Treat, To Reduce Damage","from_bloq":646316,"tag":"h2"},{"level":2,"text":"European Chafer Identification Guide","from_bloq":646316,"tag":"h2"},{"level":3,"text":"When to Inspect for Damage","from_bloq":646316,"tag":"h3"},{"level":3,"text":"Treatment to Control Grubs","from_bloq":646316,"tag":"h3"},{"level":3,"text":"Adult Beetle","from_bloq":646316,"tag":"h3"},{"level":3,"text":"Grub Stage","from_bloq":646316,"tag":"h3"},{"level":3,"text":"Damage Signs","from_bloq":646316,"tag":"h3"}],"paragraphs":[],"sections":[{"section_id":"section_1","heading":"European Chafer, Damaging New Pest","full_text":"European Chafer, Damaging New Pest Author: Team Orange Published on: March 10, 2025 The European Chafer is a newly established pest in western Washington and Oregon, having appeared within the past two years. This beetle causes significant damage to turf during its larval (grub) stage. The larvae feed in the root zone, reaching up to the root crowns during mid-summer. Beyond the direct damage from feeding, heavy infestations can attract secondary pests such as birds, raccoons, and skunks. These animals peel back the turf to feed on the grubs, leading to rapid and severe damage, as demonstrated in the picture below from last summer at a property we manage in the Seattle area. We Are Training Our Staff To Identify, To Treat, To Reduce Damage When to Inspect for Damage \u2022 We will closely monitor in May & June as temperatures rise as there is a short feeding period before the grubs pupate and turn into adults. \u2022 During August through November as the larvae grow, they will feed on root systems. Again, we will be monitoring to look for any visible signs of stressed turf that may appear as drought stress but are actually damaged roots. \u2022 The most visible damage is caused by secondary pests such as birds, racoons, skunks, opossums, etc. This is what we hope to avoid. Treatment to Control Grubs \u2022 We have been consulting with our product suppliers and have several options for treatments depending on which stage the grub is in. \u2022 Since it is spotty, we do not believe it warrants site wide preventative control. \u2022 We will monitor and when activity is spotted, propose treatment. \u2022 This will likely be followed by a preventative treatment the following spring. European Chafer Identification Guide Adult Beetle Light brown color \u00bd inch long Active June-July Swarm at dusk Do not feed on plants Grub Stage White C-shaped larvae \u00be inch when mature Visible raster pattern Feed on grass roots Most damaging phase Damage Signs Brown, dying patches Turf easily pulls up Spongy feel when walking Animal digging damage Appears similar to drought Each year, we see new pests in the PNW. European Cranefly, Bronze Birch Borer, Emerald Ash Borer, Crabgrass, and now the European Chafer are pests we need to monitor and manage. Why are we seeing these new pests? It could be due to climate change or simply the natural spread of species. Regardless, we will be monitoring and recommending treatment as needed. While we prefer not to treat for pests, those that can damage or potentially kill landscape plants will be carefully monitored and treated when necessary. TAGS: Lawn Care Pest Control Turf Damage Grub Treatment European Chafer Share this article: Facebook LinkedIn Twitter","source_bloq_id":646316,"bloq_type":"bloq-blog-details","position":0,"word_count":440,"citeable":true}],"word_count":0,"character_count":0,"schema_enhanced":true,"last_schema_update":"2026-03-04 17:34:31 PST"},"media":{"images":[{"url":"\/\/8bloqs.s3.us-west-2.amazonaws.com\/4020-1284\/PL-Blog---European-Chafer--Damaging-New-Pest-1742479305-640w.webp","alt":"Lifecycle of a beetle from Jan to Dec: pupae (June), adult (July), eggs (Aug), grubs (Sept), feeding underground on roots throughout. Grass on top, soil below.","has_alt":true,"source_bloq_id":646316,"bloq_type":"bloq-blog-details","position_in_page":0},{"url":"\/\/8bloqs.s3.us-west-2.amazonaws.com\/4020-1284\/teamorangicon-1742478836-640w.webp","alt":"Illustration of landscapers in orange uniforms trimming hedges and bushes in a suburban area, with rows of houses and green trees in the background.","has_alt":true,"source_bloq_id":646316,"bloq_type":"bloq-blog-details","position_in_page":0},{"url":"https:\/\/files.constantcontact.com\/0adea0f5101\/44a3b375-7912-4000-9821-49e3caf1b0a3.jpg","alt":"Lawn damage from European Chafer","has_alt":true,"source_bloq_id":646316,"bloq_type":"bloq-blog-details","position_in_page":0},{"url":"https:\/\/files.constantcontact.com\/0adea0f5101\/39b3c6ec-e518-4156-8acc-3e690fcc6dbd.jpg","alt":"European Chafer lifecycle","has_alt":true,"source_bloq_id":646316,"bloq_type":"bloq-blog-details","position_in_page":0}],"videos":[],"galleries":[]},"links":{"internal":[],"external":[],"navigation":[]},"entities":{"people":[],"organizations":[],"products":[],"locations":["Issaquah","WA "],"landmarks":[],"businesses":[],"events":[]},"schema_org":{"@context":"https:\/\/schema.org","@graph":{"0":{"@type":"LandscapingBusiness","@id":"https:\/\/www.pacscape-wa.com#organization","name":"Pacscape","url":"https:\/\/www.pacscape-wa.com","description":"Pacscape delivers full landscape management for HOAs and commercial properties. 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