Mosquito & Vector News

Comparative vector competence of post-2015 St. Louis encephalitis virus in Culex tarsalis and Culex quinquefasciatus mosquitoes.

Submitted by the MVCAC VVBD Committee Rodriguez et al. 2025. bioRxiv preprint. DOI: 10.64898/2025.12.16.694562 ABSTRACT The human pathogenic orthoflavivirus St. Louis encephalitis virus (SLEV) reemerged in the western United States…

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Highlights in Medical Entomology 2023: vectors and the environment

Submitted by the MVCAC VVBD Committee Hung, KY. 2025. Journal of Medical Entomology, 62(6): 1381–1385, https://doi.org/10.1093/jme/tjaf136 Abstract: Multiple factors play a role in determining the appropriate methods for protecting communities…

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Description of all stages of a new tick species from California, Haemaphysalis vespertina (Acari: Ixodidae), with redescription of H. leporispalustris Packard, 1869 adults and phylogenetic relationships among related U.S. taxa

Submitted by the MVCAC VVBD Committee Egizi, A. et al. 2025. Zootaxa 5719: 049-072. https://doi.org/10.11646/zootaxa.5719.1.2 Abstract. All active stages of Haemaphysalis vespertina sp. nov. (Acari: Ixodidae), a tick previously identified…

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Association Updates

News Brief January 14, 2026

Beyond the Sessions: All the Fun Awaits at the 94th Annual MVCAC Conference!; February 4, 2026 Board Meeting Agenda Packet Now Available; Reminder to Districts – NPDES Reports Due March…

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Reminder to Districts – NPDES reports due March 1

A reminder that our individual annual reports are due March 1. Reports should be sent to the State Water Resources Control Board (DWQ-PesticidesNPDES@waterboards.ca.gov and copied to mvcac@mvcac.org. The MVCAC NPDES coalition…

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News Brief 12.31.2025

MVCAC December Board Meeting Minutes Now Available; MVCAC 94th Annual Conference; News Worth Repeating; Upcoming Events; Research Papers Click here to view

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