Members of the tribe Sabethini (Diptera: Culicidae) oviposit and develop in phytotelmata (plant-held waters) and are primarily distributed in a pantropical pattern. Recent cladistic studies have demonstrated that while the tribe is monophyletic, three of its 13 genera are not. The genus Wyeomyia is particularly problematic and debate among culicidologists continues with regard to the monophyly of its subgenera. For example, the subgenus Hystatomyia was recently resurrected to include seven species within Wyeomyia that were without subgeneric placement. This was based on unique larval, pupal, and adult characters. However, 12 more undescribed species were separated out and identified as Hystatomyia species by John Belkin during the "Mosquitoes of Middle America" project. The objective of this study was to provide a modern species-level revision of Hystatomyia that includes diagnosis and description of all species and an examination of phylogenetic relationships within Hystatomyia using morphological characters from larval, pupal, and adult stages. / Graduation date: 2004