8/29/2025
1 Allison Costa | Assistant General Manager | GLAmosquito.org
GREATER LA COUNTY VECTOR CONTROL DISTRICT
About Our District
We are the largest of 5 vector control special
districts servicing LA County, with our current cost
per single family home being $18.97 annually.
Mosquitoes
Black Fly
Midge
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2 Mosquito-borne Diseases in the District
Dengue Fever
Growing Threat • 140 Travel-associated cases in GLACVCD jurisdiction • 3 Locally acquired cases in GLACVCD • 14 cases in LA County
West Nile virus (WNV)
Continuous Problem
Saint Louis Encephalomyelitis (SLE)
Occasionally Detected
3 Surveillance
“Our departments control mosquitoes through surveillance, management, education, & outreach” Control Education
Integrated Vector Management (IVM)
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3 Operations | High Visibility Services
Service Request Response
• Phone
• Website
Mosquito-borne Disease
Case Response (Aedes)
• Door-to-door yard inspections
• Control efforts 5 Operations | Medium Visibility Services Vector Control Specialist (VCS)
Single Routes
• Public sources
Swimming Pool Program
Street Gutters 6
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4 Operations | Medium Visibility Services
Vector Control Specialist (VCS)
Single Routes
• Public sources
Swimming Pool Program
Street Gutters 6 Operations | Medium Visibility Services Vector Control Specialist (VCS)
Single Routes
• Public sources
Swimming Pool Program
Street Gutters 6
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5 Operations | Low Visibility Services
Underground Storm
Drain System (USDS)
Flood Control
Channels & Stormwater
• Conveyance Systems
• Water Storage Systems 7 Operations | Low Visibility Services Underground Storm
Drain System (USDS)
Flood Control
Channels & Stormwater
• Conveyance Systems
• Water Storage Systems 7
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Mosquito
Sources in
Signal Hill
(2024)
• 303
• 21
• 331
Residential & Public
Ponds & Pools
Storm Water Structures
and Drains
Scientific- Technical Department
Mosquito Trapping Mosquito Identification Dead Bird Testing Utilizes innovative field and laboratory techniques to monitor mosquito, black fly, and midge populations as well as vector-borne diseases.
Black Fly Surveillance
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7 Sterile Insect Technique (SIT)
X-ray sterilization of
male mosquitoes
Release of sterile
males over time
Sterile males to mate
with wild females 10
Eco-friendly
Non-chemical
Results in no
offspring
Results in
reduced pest
population
SIT Benefits
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8 Communications Department
• Promotes public awareness of the
District services
• Educates the public about mosquitoes
and vector-borne diseases
Traditional
Media & Social
Media
City/Community
Presentations Youth Education Community Outreach
12 Partner With Us
Follow & share GLACVCD updates from social media accounts on city platforms Encourage residents to call & visit District website to submit service requests Add a District tab to city websites and a rolling item on city marquees / newsletters 13 15 16
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9 Website | www.GLAmosquito.org
Phone | (562) 944-9656
Email | [email protected]
Contact
@GLAmosquito
SOCIAL MEDIA
Greater Los Angeles County
Vector Control District
Than
k
you! ALLISON COSTA | ASSISTANT GENERAL MANAGER | [email protected] 17