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Preliminary Survey Of The Mayflies (Ephemeroptera) And Caddisflies (Trichoptera) Of Big Bend Ranch State Park And Big Bend National Park, David E. Baumgardner, David E. Bowles
Preliminary Survey Of The Mayflies (Ephemeroptera) And Caddisflies (Trichoptera) Of Big Bend Ranch State Park And Big Bend National Park, David E. Baumgardner, David E. Bowles
College of Natural and Applied Sciences
The mayfly (Insecta: Ephemeroptera) and caddisfly (Insecta: Trichoptera) fauna of Big Bend National Park and Big Bend Ranch State Park are reported based upon numerous records. For mayflies, sixteen species representing four families and twelve genera are reported. By comparison, thirty-five species of caddisflies were collected during this study representing seventeen genera and nine families. Although the Rio Grande supports the greatest diversity of mayflies (n=9) and caddisflies (n=14), numerous spring-fed creeks throughout the park also support a wide variety of species. A general lack of data on the distribution and abundance of invertebrates in Big Bend National and State …