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Poster Session

Poster Session

Poster Session

P43 - A new species of Wyeomyia (Culicidae: Sabethini) mosquitoes from tropical St. John, US Virgin Islands

Wednesday, March 25, 2026
12:15 PM - 1:45 PM PDT
Location: Hall A
Abstract: The genus Wyeomyia Theobald (1901) is the largest neotropical Sabethine genus. However, current estimates likely underestimate of the true diversity of the genus. Despite its size and ecological importance, Wyeomyia remains poorly studied, and the taxonomic relationships are unresolved and often controversial. This is primarily due to the paucity of comprehensive morphological studies consistently describing both the adult and immature stages within the genus. Here, we describe a new species of Wyeomyia based on specimens collected from Virgin Islands National Park on St. John in the U.S. Virgin Islands (USVI). This mosquito inhabits ground bromeliad and represents the only known member of genus Wyeomyia within the USVI. We provide morphological and molecular data distinguishing the new species, along with limited bionomic information. Descriptions, illustrations, and images are included for the larvae, adult female, adult male, and male genitalia. Clarifying the relationships within Wyeomyia through the identification of taxonomically informative characters across all life stages should be a priority. Such efforts will enhance our understanding of the genus and provide a foundation for future studies on its bionomic, vector competence, and overall public health relevance.