News Briefs | May 28, 2025

Upcoming Events

MVCAC 2025 Yearbook is Now Available

Volunteers Needed

MVCAC 2025-2026 Budget Approved

May is Lyme Disease Awareness Month

Insecticide Resistance Toolkits

CEQA Status Update

Request for Participation in Oropouche Virus Vector Surveillance

Glossary of Terms

New 2025 California Laws Impacting Public Agencies

News

Upcoming Events

February 1- 3, 2026 with the board meeting on the 4th.

 

More details will be posted on our website as they become available.

MVCAC 2025 Yearbook is Now Available





The 2025 MVCAC Yearbook is Now Available! You can review it on the Member Resources page under Member Publications.


The Yearbook provides board and committee information, agency listings, and a directory of members.

Volunteers Needed

Conference planning is underway for 2026 and we are in need of a volunteer to join our committee! Awesome energy is needed to help make our "Outrunning Mosquitoes" race a swat-tastic success. This volunteer is essential for the day of the event to help direct runners, keep time and make sure we have enough volunteers on the course. You are a vital part of this fun and unique event. Reach out to Rachel in the MVCAC office (rhickerson@amgroup.us) to help us make this race a bite-free blast!

MVCAC 2025-2026 Budget Approved

The MVCAC Board of Directors officially approved the Association’s 2025–2026 budget at its April 23rd meeting. This budget reflects our continued commitment to financial stability while advancing the programs, communications, and advocacy efforts that support California’s mosquito and vector control professionals. Thank you to all members who contributed input throughout the budget development process—your feedback helps guide how we invest in the year ahead. Find the budget here.

May is Lyme Disease Awareness Month

Nymphal Ixodes pacificus are most active in the spring and early summer in California. These tiny ticks pose a greater risk of transmitting Lyme disease.

 

Get CDPH messaging and resources to share in May:

 

Social media:


Print materials (available to order):

 

Weblinks:

Insecticide Resistance Toolkits

Introduction to Resistance Toolkit


Test Procedures for Insecticide Resistance Monitoring in Mosquitoes*


Mosquito Pesticide Resistance Monitoring Working Group (Paula A. Macedo, T. Steven Su, Shaoming Huang, and Melissa Yoshimizu)


Integrated Vector Management Committee

Mosquito and Vector Control Association of California


*This document describes recommendations and practices regarding pesticide resistance monitoring. This document was last edited in 2016 and is currently being revised by the Integrated Vector Management Committee.

CEQA Status Update

Please review the MVCAC status of CEQA documents for your program sent out to all managers on 4/22/2025. We maintain this list so member agencies can see what their neighbors have and to connect members doing this work across the districts. 


The link is available behind the member login here.

Request for Participation in Oropouche Virus Vector Surveillance

With the recent emergence of Oropouche virus (OROV) as a potential public health concern in the United States, the American Mosquito Control Association (AMCA) is collaborating with the CDC to collect surveillance data on its primary vector, Culicoides paraensis.


As part of this effort, we are seeking mosquito control districts willing to assist by deploying modified CDC light traps on a weekly basis. This will help us assess the distribution of potential OROV vectors across the country.


We have limited funding available through our grant to support the purchase of traps and other necessary supplies, if needed.


Attached you’ll find:

  • A detailed protocol for the collection, storage, and shipment of biting midge samples
  • Instructions for modifying standard CDC light traps for Culicoides collection
  • A sample data sheet


If your district is able to participate, or if you know of another district or agency that might be interested, please contact Dan Markowski, AMCA Technical Advisor at 662-822-1270 or email at AMCA.TA@mosquito.org.

Glossary of Terms

MVCAC has created a glossary of terms to provide clear and concise definitions of common terms that mosquito and vector control agencies use in public education and outreach efforts. The definitions are intentionally short and use plain language so they are easy to understand and can be translated into other languages. While MVCDs are not required to use the words and definitions below the goal is to have consistency in language across MVCAC and its member agencies.

New 2025 California Laws Impacting Public Agencies

The Mosquito & Vector Control Association recently received an annual legal update from our attorneys, BKS Law Firm, outlining key new California laws affecting public agencies in 2025. This summary covers important legislative changes that may impact operations, governance, and compliance. Stay informed and prepared by accessing the full update here.

News

Do you have important news to share about your district or mosquito and vector issues? 

If you would like your news to be included in the MVCAC News Briefs, please fill out this form or email mvcac@mvcac.org.

Research Papers:


Time-of-day changes in permethrin susceptibility and metabolic gene expression in Florida Aedes aegypti (Diptera: Culicidae)


Fluralaner treatment of chickens kills the southern housemosquito, Culex quinquefasciatus


Low risk for locally acquired Chagas disease in California: A review of human cases and triatomine submissions, 2013–2023


Assessing the Relationship Between Entomological Surveillance Indices and West Nile Virus Transmission, United States: Systematic Review

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