A Review of Selected Species of the Genus Thraulodes In Central America
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The genus Thraulodes is a common and widely distributed genus of mayflies (Insect: Ephemeroptera) found throughout North and Central America. Larvae are common inhabitants of many different lotic ecosystems throughout the region. Despite their common occurrence, identifying larvae to species can be difficult. One of the primary features in identifying larvae, the length to width ratios of their gills, has been poorly studied and appears to be problematic. The purpose of this research was to take concise and uniform quantitative measures of the gill length to width rations, and compare these ratios to previously published ratios. No previously published studies have provided data of this detail for any species within this genus. Species included in this study were Thraulodes brunneus, Thraulodes gonzalesi, Thraulodes lunatus, Thraulodes speciosus, and Thraulodes zonalis. All specimens used in this study are from the Texas A&M University Entomological Collection.
Talavera, Austin Zach (2014). A Review of Selected Species of the Genus Thraulodes In Central America. Undergraduate Research Scholars Program. Available electronically from