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Acting on a request by the Texas Department of Agriculture, the U.S. Environmental Protection Agency in July approved a crisis exemption for use of fipronil (Termidor SC) on ?EUR??,,????'?????< Crazy Rasberry ants, called “crazy” because of their zigzag march and named after Tom Rasberry, the Pasadena exterminator who discovered them in 2002, now infest Harris, Brazoria, Galveston, Jefferson, Liberty, Montgomery and Wharton counties and have caused damage estimated at $30 million. Agriculture spokesman Bryan Black said only licensed exterminators can apply the liquid pesticide, which kills by short-circuiting the insect’s central nervous system and is approved for treating termite infestations. Jason Meyers, a Texas A&M University doctoral candidate who is considered an expert on the ants, said the poison likely will be an effective management tool of the pests but “not an end-all.” “It should be useful for individual homeowners,” he said, “but it’s not going to eradicate the ants from any area. Not by any means.” Some studies have shown the poison can wipe out 95 percent of specific insect populations in three days. The EPA considers fipronil moderately toxic and a possible human carcinogen. Source: chron.com.
Crazy Rasberry ants, called “crazy” because of their zigzag march and named after Tom Rasberry, the Pasadena exterminator who discovered them in 2002, now infest Harris, Brazoria, Galveston, Jefferson, Liberty, Montgomery and Wharton counties and have caused damage estimated at $30 million.
Agriculture spokesman Bryan Black said only licensed exterminators can apply the liquid pesticide, which kills by short-circuiting the insect’s central nervous system and is approved for treating termite infestations.
Jason Meyers, a Texas A&M University doctoral candidate who is considered an expert on the ants, said the poison likely will be an effective management tool of the pests but “not an end-all.”
“It should be useful for individual homeowners,” he said, “but it’s not going to eradicate the ants from any area. Not by any means.”
Some studies have shown the poison can wipe out 95 percent of specific insect populations in three days. The EPA considers fipronil moderately toxic and a possible human carcinogen.
Source: chron.com.
Francisco Uviña, University of New Mexico
Hardscape Oasis in Litchfield Park
Ash Nochian, Ph.D. Landscape Architect
November 12th, 2025
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