A Washington study reveals ants carrying Transport GHP back to the nest can control the colony in 24 hours.
SPOKANE FALLS, Wash. - A study by Dr. Laurel Hansen, of Spokane Falls Community College, looked at how quickly two products controlled carpenter ants. A professor of biology/entomology, Hansen works in an area where carpenter ant populations are severe – the eastern Washington-western Idaho border.
In her trials, Hansen exposed one ant to Transport GHP insecticide from FMC and introduced that dead ant to 50 live, untreated ants. She did this again by exposing two ants, five ants and then 10 ants, introducing each separately to 50 live, untreated ants. The tests revealed that when five ants died from exposure to Transport GHP and were introduced to the 50 live ants, 100 percent control was achieved within 10 hours. The same results were achieved when 10 ants died from exposure to Transport GHP and were introduced to 50 live ants.
"When a product kills the ants outright, they don’t have the opportunity to take the material back home; that’s the importance of carrying it back to the nest and that’s what Transport does,” Hansen said.
Hansen added, “Because they have fine hairs on their bodies, and contact one another, ants spread material through grooming or touching each other. It provides a very rapid knockdown of the colony."
Hansen concluded that if 10 percent of the ants treated with Transport return to the colony, the product will control the rest of the colony within 24 hours.
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