COSTA MESA – State agricultural inspectors are canvassing a residential neighborhood near the Santa Ana River this week after finding a colony of an aggressive ant species in someone’s front yard, the first documented sighting of the pest in its natural environment in California.
The colony of big-headed ants was discovered in Costa Mesa’s Mesa Verde neighborhood earlier this month by an amateur entomologist, who collected a sample and sent it to Los Angeles County officials for identification, said Mike Bennett, Orange County’s agricultural commissioner.
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