There were no positive mosquito samples for the week! Everyone, stay safe and wear repellent when outdoors.

After the recent rain, remember to dump and drain any standing water to prevent mosquito breeding! To learn more about mosquitoes and how to prevent them, please visit our website.

Do not forget that after the rain, pots, saucers, bins, buckets, and more can fill up with water and become a mosquito breeder! Check around after the rain and stop them quick!

There were no positive mosquito samples for the week! Everyone, stay safe and wear repellent when outdoors.

There were no positive mosquito samples for the week! Everyone, stay safe and wear repellent when outdoors.

If you live in our district and have a large pond or water garden, you can request mosquito fish from the District to help control mosquito larvae in your yard. For more details, please visit our website!

There were no positive mosquito samples for the week! Everyone, stay safe and wear repellent when outdoors.

Prevent mosquitoes from breeding in your home by adding gravel to vases and planters to remove standing water. To learn more about mosquito prevention, please visit our website!

There were no positive mosquito samples for the week! Everyone, stay safe and wear repellent when outdoors.

Rain is expected tomorrow! To help prevent mosquito breeding, take proactive measures such as clearing gutters and flipping over pots to eliminate standing water. For more information about mosquitoes and how to prevent them, please visit our website!

Be on the lookout for backyard breeding sources and remember to eliminate standing water inside your home to help prevent bites! To learn more about mosquitoes and how to prevent breeding, please visit our website.

West Nile Virus Update: Positive mosquito samples were found in Chino. Wear repellent outdoors, dump and drain standing water, and call us for mosquito concerns.

Garden decor like fountains can become a breeding source for mosquitoes if left unmaintained. Please visit our website to learn more about mosquitoes and how to prevent them!

Keep mosquitoes at bay this fall by removing standing water around your home, remember to check carefully for hidden sources! Please visit our website to learn more about mosquitoes and how to prevent them!

Good news, remember to wear a repellent - have a great weekend!

Fall is just around the corner, and mosquitoes are still active! Remember to wear repellent when you're outdoors to prevent mosquito bites. For more details on mosquito prevention, visit our website!

Fall is almost here, but mosquitoes are still out! Please dump and drain any standing water to prevent mosquito breeding in your home. For more information on mosquito prevention, please visit our website!

The West Valley Mosquito and Vector Control District office will be closed on Monday in observance of Labor Day. Regular office hours will resume on Tuesday, September 2nd. Have a great day and stay safe!

There were no positive mosquito samples for the week! Everyone, stay safe and wear a repellent when outdoors.

After this weekend's rain, make sure to dump and drain any standing water in your backyard! It's a simple but important step to help prevent mosquito breeding. For more helpful tips on mosquito prevention, feel free to visit our website.

West Nile Virus Update: Positive mosquito samples were found in Ontario. Wear repellent outdoors, dump and drain standing water, and call us for mosquito concerns.

Please join us for the final Ontario Concert in the Parks Event tonight! The West Valley Mosquito and Vector Control District will have a booth filled with helpful tips and tricks to help you keep mosquitoes away this season!

Thank you for joining us for World Mosquito Day and for providing us with great questions! If you want to learn more about mosquitoes and how to prevent them, please visit our website!

Here is another fun question for World Mosquito Day! To learn more about mosquitoes and how to prevent them, please visit our website!

Welcome to World Mosquito Day! Join us today as we answer your questions about mosquitoes. To learn more about mosquitoes and how to prevent them, please visit our website!

Remember to use a CDC-recommended repellent when outdoors to keep mosquitoes at bay this season! For additional tips on mosquito prevention, please visit our website.

There were no positive mosquito samples for the week! Everyone, stay safe and wear a repellent when outdoors.

Join us for another fun-filled evening at the Ontario Concert in the Park! The West Valley Mosquito and Vector Control District will have a booth filled with helpful tips and tricks to help you keep mosquitoes away this season!

There were no positive mosquito samples for the week! Everyone, stay safe and wear a repellent when outdoors.

Join us for another fun-filled evening at the Ontario Concert in the Park! The West Valley Mosquito and Vector Control District will have a booth filled with helpful tips and tricks to help you keep mosquitoes away this season!

Join us for another fun-filled evening at the Ontario Concert in the Park! The West Valley Mosquito and Vector Control District will have a booth filled with helpful tips and tricks to help you keep mosquitoes away this season!

There were no positive mosquito samples for the week! Everyone, stay safe and wear a repellent when outdoors.

Join us for another fun-filled evening at the Ontario Concert in the Park! The West Valley Mosquito and Vector Control District will have a booth filled with helpful tips and tricks to help you keep mosquitoes away this season!

Join us today for the Chino Hills Concert in the Park! The West Valley Mosquito and Vector Control District will have a booth filled with helpful tips and tricks to help you keep mosquitoes away this season!

Join us for another fun-filled evening at the Ontario Concert in the Park! The West Valley Mosquito and Vector Control District will have a booth filled with helpful tips and tricks to help you keep mosquitoes away this season!

Great News! Another week in summer down with no detected virus!

Our Sterile Insect Technique, in conjunction with IPM strategies, has significantly decreased mosquito activity. Watch us release over 1000 sterile males, which do not bite and will reduce mosquito numbers each season!

Join us for another fun-filled evening at the Ontario Concert in the Park! The West Valley Mosquito and Vector Control District will have a booth filled with helpful tips and tricks to help you keep mosquitoes away this season!

Join us today for the Chino Hills Concert in the Park! The West Valley Mosquito and Vector Control District will have a booth filled with helpful tips and tricks to help you keep mosquitoes away this season!

There were no positive mosquito samples for the week! Everyone, stay safe and wear a repellent when outdoors.

Join us today for the Chino Hills Concert in the Park! The West Valley Mosquito and Vector Control District will have a booth filled with helpful tips and tricks to help you keep mosquitoes away this season!

Join us for another fun-filled evening at the Ontario Concert in the Park! The West Valley Mosquito and Vector Control District will have a booth filled with helpful tips and tricks to help you keep mosquitoes away this season!

Prevent mosquito bites this season! Aedes love to use small hidden standing water sources in your yard, check your yard weekly to keep them out!

There were no positive mosquito samples for the week! Everyone, stay safe and wear a repellent when outdoors.

Join us for another fun-filled evening at the Ontario Concert in the Park! The West Valley Mosquito and Vector Control District will have a booth filled with helpful tips and tricks to help you keep mosquitoes away this season!

The West Valley Mosquito and Vector Control District office will be closed tomorrow for the 4th of July holiday. Regular office hours will resume on July 5th. Have a great day and stay safe!

There were no positive mosquito samples for the week! Everyone, stay safe and wear a repellent when outdoors.

Join us today at the Chino Hills Independence Celebration! The West Valley Mosquito and Vector Control District will have a booth filled with helpful tips and tricks to help you keep mosquitoes away this season!

Remember to apply a CDC-recommended repellent when outdoors this summer! DEET, Picaridin, Oil of Lemon Eucalyptus, and IR3535 are the most tested, long-lasting, and most effective repellents. Please visit our website to learn more!

There were no positive mosquito samples for the week! Everyone, stay safe and wear a repellent when outdoors.