Macrelmis texana
- kingdom: Animalia
- phylum: Arthropoda
- class: Insecta
- order: Coleoptera
- family: Elmidae
- genus: Macrelmis
- species: Macrelmis texana
Zaragoza
Coahuila
Mexico
Del Rio- San Marcos
Texas
United States
Macrelmis texana Zaragoza Del Rio San Marcos