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Thrasher Termite & Pest Control Uncovers New Outbreak of Formosan Subterranean Termites in La Mesa (Calif.)

LA MESA, Calif.--(BUSINESS WIRE)--

First Confirmed Infestation in 20 years in San Diego County

Mike Edelen a WDO inspector at Thrasher Termite & Pest Control of So Cal, Inc. in San Diego, California, recently discovered a new colony of Formosan subterranean termites in La Mesa, half a mile from the original 1992 outbreak of this destructive, invasive species. Formosan subterranean termites rapidly develop huge colonies and can cause significant structural damage within 6 months. This invasive species of termites was last seen in La Mesa in 1998 and pose a serious threat to the La Mesa area. Conclusive identification of Formosan subterranean termites was made by Thrasher Termite & Pest Control in cooperation with the San Diego County Department of Agriculture and the California Department of Agriculture Plant Pest Diagnostics Division in Sacramento, California.

“It was clearly evident that these termites did not behave like native subterranean termites,” said Garrett Thrasher, owner and general manager of Thrasher Termite & Pest Control. The homeowner first noticed a potential problem when a cloud of winged insects swarmed their yard at twilight. Those winged insects turned out to be sexually mature Formosan subterranean termites seeking mates.

“By the time we were called to the property, most of the termite reproductives were caught in spider webs, dead, or had disappeared. But we found a live, robust colony in the structure of the home,” said Thrasher. “Unlike native subterranean termites, the termites we observed were extremely active, didn’t flee when disturbed, and the soldiers went into attack mode. They had hollowed out large areas of structural wood, always staying just beneath the exterior paint and unnoticed by the homeowner. All of these behaviors, in addition to size and coloration of the reproductives, led us to suspect Formosan termites. Unhappily, we were correct.”

Formosan subterranean termites were last seen in La Mesa 20 years ago. This new finding is very serious. While this Formosan termite population may be completely unrelated to the previous infestation, the location suggests that Formosan termites have been hiding in plain sight for the last 20 years and have become very well established in La Mesa--and that much more challenging to eradicate.

For more information on Formosan subterranean termites, please visit https://Thrasherpest.com/Formosan

About Garrett Thrasher

Garrett Thrasher is a second generation pest control professional. Author of The Bed Bug Battle Plan (ISBN: 1500838209), Garrett’s solid understanding of bed bugs and other pests endemic to San Diego County plus experience on camera has made him a leading contact for news and media outlets. He has spoken at PestWorld and PestTech, and was featured in PCT Magazine and the PCT Podcast.

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