Operation Mosquito G.R.I.D.

Growth Reduction & Increased Detection

Recommended Grades to Participate: 6th - 8th grade

​Operation Mosquito G.R.I.D. (Growth Reduction, Increased Detection) mobilizes young scientists to get mosquitoes off the grid. Participants will use a specialized mosquito egg cup to learn about Aedes mosquitoes, one of the deadliest groups of mosquitoes in the world! All supplies provided by SGVMVCD staff.

G.R.I.D. Dates and Deadlines for Fall 2026

Cohort Teacher Sign Up Deadline* Student Sign Up Deadline Water Analysis** Egg Paper Analysis**
1 Monday, 8/17 Tuesday, 9/8 9/22 - 9/24 10/6 - 10/8
2 Monday, 8/24 Monday, 9/14 9/29 - 10/1 10/13 - 10/15
3 Monday, 9/21 Monday, 9/21 10/6 - 10/8 10/20 - 10/22

*Note: These teacher deadlines assume that a Certificate of Insurance (COI) has been established or is not required by your school district. Check the Certificate of Insurance page to see if our agency has a certificate on file with your district. If not, please sign up at least 8 weeks in advance, especially if your school board must approve the program in advance and require a COI.

**Important: Please let us know when you are conducting your analysis labs. We do our best to respond and accept student posts to the reporting platform in real time. However, our office is closed on Fridays. If you must hold your lab on a Friday, we will not be able to accept posts or comment until the following Monday. 

Teachers! RSVP your class for Fall 2026

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Student Objectives

  1. ​Identify potential mosquito sources around their homes, wet or dry.
  2. Properly dispose of stagnant water and all items that might trap and hold water. 
  3. Properly use and maintain supplied surveillance tools. 
  4. Analyze results of surveillance using classroom microscope or other device.
  5. Identify Aedes mosquito eggs and distinguish from similar looking debris.
  6. Properly report evidence and continued monitoring efforts to San Gabriel Valley Mosquito and Vector Control via approved means of communication.
A person in a gray shirt is sitting on a couch, holding a smartphone and wearing a smartwatch on their wrist.
Step 1:
Students obtain parent permission, complete the pre-assessment, and sign up online
A hand holds a small, round, clay dish above a black container, likely indicating preparation for a task like planting or cooking.
Steps 2 & 3:
Students clear their yard of potential mosqutio habitat
The image shows tiny black insects or bugs on a light-colored surface, possibly skin or a similar material.
Step 4:
Students report results and submit any evidence of mosquito eggs found
A person sitting on a couch, using a laptop, wearing a gray t-shirt and jeans, and a watch on their wrist.
Step 5:
Students take post-assessment and check-in surveys for full credit
The image shows a map highlighting areas around Pasadena, Azusa, Covina, West Covina, and El Monte in purple.
Jurisdictional boundaries of the San Gabriel Valley Mosquito and Vector Control District
A cartoon character with blue hair crouches and examines something with a flashlight, wearing a colorful outfit.

Agent Discoveries

Water Sample Results

Aedes Egg Paper Results