OCMVCD provides a variety of services including mosquitoes, red imported fire ants (RIFA), rats and mosquito fish drop off.

The District uses many different means of controlling mosquitoes. The Orange County Mosquito and Vector Control District's programs are based on scientifically planned management tactics and control strategies that reduce the abundance of vectors in a timely manner.

Did you know? Many mosquitoes breed in small water sources in residential backyards, and they do not fly far from the source. Watch our DIY Solutions videos to help prevent mosquitoes from entering your home.

To enhance our integrated approach to mosquito management, we are evaluating the Sterile Insect Technique (SIT) as a biological control method to lower Aedes aegypti populations and reduce the risk of…

Are you still experiencing mosquitoes, even though you thoroughly inspected your yard for standing water? A nearby neighbor may perhaps not know that mosquitoes require water to complete their life…

These invasive, black-and-white mosquitoes can lay their eggs individually along the waterline of any container. Take action by tipping out standing water, tossing unused containers, and wearing repellent.

The District has a multifaceted roof rat education program and resource page to help residents deter rats from their property.

Red Imported Fire Ants (RIFA) are very aggressive ants that are native to South America. They vigorously defend their nests, attack in large numbers and sting repeatedly.