by Nate Wooley | April 25, 2013 10:55 am
A shopping mall in Minnesota has decided to use ladybugs to combat a pest problem.
The Mall of America released 72,000 ladybugs — in its fully enclosed mall — to combat an aphid infestation, Discovery News reports.
Executives at the Mall of America chose the ladybugs as an alternative to commercial pesticides, feeling that it would be healthier in the environmentally sealed building. The mall has more than 30,000 live plants — including 400 trees — inside that the aphids can live on. In the enclosed space, and without natural predation, the aphids are thriving.
“Ladybugs are what I like to call, sort of a biological defense system,” Lydell Newby, the mall’s senior manager of environmental services, said.
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