2023 Early Hearing Detection & Intervention Conference
March 5-7, 2023 • Cincinnati, OH
6/07/2017 | 9:00 AM - 9:15 AM | CRYPTIC, SYMPATRIC DIVERSITY UNCOVERED IN LIRCEOLUS ISOPODS AT A STYGOBIONT HOT-SPOT, EDWARDS AQUIFER, TEXAS. | 302C
CRYPTIC, SYMPATRIC DIVERSITY UNCOVERED IN LIRCEOLUS ISOPODS AT A STYGOBIONT HOT-SPOT, EDWARDS AQUIFER, TEXAS.
The Edwards Aquifer in Texas supports high stygobiont biodiversity. Extending over 400 km along the Balcones fault zone, the aquifer serves as habitat for >50 described stygobitic species. A flowing artesian well on Texas State University campus has been used to study aquifer organisms for over a century. More than 30 described species have been identified from the artesian well, and many more await formal description, illustrating the site’s importance as the most diverse stygobiont site in the Edwards Aquifer. The artesian well also represents the type locality for many Edwards Aquifer species, including the asellid isopod Lirceolus smithii. Since its description in 1902, L. smithii was presumed to be the only Lirceolus species found at the artesian well site. However, in 2016, we discovered individuals that morphologically are identified as L. pilus and L. hardeni, from both recent collections and archived specimens that were erroneously identified as Lirceolus smithii in the past. We plan to strengthen these morphology-based results through molecular methods. These results are significant as they add new records for L. pilus and L. hardeni, and reveal cryptic, sympatric diversity within the Edwards Aquifer Lirceolus species complex.
- C35 Systematics and Taxonomy
- C03 Invertebrates
- C11 Community Ecology
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Presenters/Authors
William Coleman
(), Texas State University, willcoleman@txstate.edu;
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