Marin/Sonoma
Mosquito & Vector
Control District
2024 Annual Report
Peter Bonkrude, MS- District Man
Brief
History….
• Early 1900s: The San Rafael
Improvement Club is in charge of
mosquito control
• 1903-1905- Research on salt marsh
mosquitoes was conducted in Marin
County
• November 6, 1915: The first district in
California is formed: Mosquito
Abatement District No.1, also known
as the Marin Mosquito Abatement
District (MAD)
• 1976 Annexed Central Sonoma and its
surrounding areas
• 1995: MAD changes its name to
Marin/Sonoma Mosquito and Vector
Control District
• Now serve 763,000 residents in both
Marin and Sonoma County
Agency at a glance
• 36 Fulltime Employees
• 6-8 Seasonal Employees
• 18 Trustees (Independent Board Members)
• 6 additional vacancies: Rohnert Park,
San Anselmo, Ross, Sebastopol, Marin
County at Large, Sonoma County at
Large
• Covers two counties, nearly 2,300 square
miles
• $12.1M Annual Budget for 2024-2025
Programs and Services
• Mosquito control
• Mosquitofish
• Yellowjacket control
• Surveillance for adult mosquitoes, ticks, and pathogens • Rodent control advice and inspections
• School presentations – grades K – 8
• Insect Identification
What is Integrated
Vector Management
(IVM)?
An approach to controlling vector-borne diseases (WNV,
SLE, WEE, Dengue, Zika, Malaria, Dog Heartworm) by
implementing a combination of strategies that are
environmentally compatible, cost effective and sustainable. • Surveillance
• Vector Control Interventions (Physical, Biological,
Chemical)
• Environmental Management
• Legislation and Policy
• Capacity Building
• Community Participation
Local Mosquito Threats
Culex tarsalis
Western Encephalitis Mosquito
West Nile Virus
Culex stigmatosoma
Banded Foul Water
Mosquito
West Nile Virus
Culex erythrothorax
Tule Mosquito
West Nile Virus
Culiseta inornata
Large Winter Mosquito
West Nile Virus
Culiseta particeps
No common name
West Nile Virus
There are 22 different species of mosquito found in Marin and Sonoma Counties. Emerging species of mosquito such
as the Yellow Fever & Asian Tiger mosquitoes could bring the threat of new diseases.
Inventory of
Mosquito
Sources
Over 20,000 locations
mapped/monitored
BY THE NUMBERS
MSMVCD 2024
2,494 476
6,196
MARIN COUNTY
2,764
INGROUND
YELLOWJACKET
NESTS
3,434
CLASSROOM
PRESENTATIONS
293
TOTAL REQUESTS FOR
SERVICE
SONOMA COUNTY
TOTAL NUMBER
OF STUDENTS
6,623
401
RODENT
INSPECTIONS
ATTENDED
21 EVENTS
2,825
MOSQUITO
CONTROL
MOSQUITOFISH
DELIVERY
FULL TIME
VECTOR CONTROL
TECHNICIANS
20 Disease Activity 2024
No WNV incidences in both
Marin and Sonoma County
WNV Statewide: 124 cases
12 fatalities, 2,006 positive
mosquito samples
SLE Statewide: 0 human
cases, 34 positive mosquit
samples
Locally Acquired Dengue: 1
cases (all in Southern
California)
Tick Testing Program
Adult: Western Black-legged Tick
Tick Testing Program
Nymphal Stage
Yellow Jackets
Public Outreach &
Education:
• Press Democrat/Marin IJ
• Social Media: Nextdoor
• Newsletter sent to subscribers
• Six Radio stations
• Presentations to community
groups & in workplaces
• Targeted display ads on streaming
services e.g. Hulu, Vimeo
Social Media Posts
3D Printing for Specialized Equipment
Sterile Insect Techniques
EMERGING TECHNOLOGIE
Questions?
Peter Bonkrude, MS- District Manager
[email protected]
www.msmosquito.org
(707) 285-2200