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Student 10-Minute Presentation Competition

Systematics, Evolution, and Biodiversity

Student Competition

Student

Undergrad 10-min Competition: SysEB, Systematics and Morphology

The systematics of ringtail dragonflies (Erpetogomphus selys 1858)

Monday, November 10, 2025
9:12 AM - 9:24 AM Pacific
Location: Oregon Convention Center, B110-112, OCC
Oral Presentation Student Competition
The genus Erpetogomphus (Selys 1858) comprises a distinctive group of clubtail dragonflies (Odonata: Gomphidae) commonly referred to as ringtails, which are diversely distributed in North America with ~ 24 species recorded. Despite detailed morphological classification, to date comprehensive molecular phylogenetic analyses of Erpetogomphus are lacking, hence our limited understanding of their evolutionary relationships. To address this gap, we aimed to use museum specimens to generate Anchored Hybrid Enrichment (AHE) data. We constructed both species and gene trees to better understand phylogenetic relationships and evolutionary history within the genus. Here we present the most comprehensive phylogenetic study of the genus Erpetogomphus to date, this research is contributing to a larger effort to resolve the Gomphidae phylogeny.