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98 riffle beetles species
Stenelmis sexlineata
Zaitzevia thermae
Heterelmis vulnerata
Macrelmis shoemakei
Heterlimnius divergens
Heterlimnius quadrimaculatus
Heterlimnius trivittatus
Stenelmis williami
Cylloepus abnormis
Heterelmis glabra
Heterelmis obesa
Hexacylloepus ferrugineus
Phanocerus clavicornis
Riolus nitens
Microcylloepus similis
Heterlimnius koebelei
Zaitzevia posthonia
Stenelmis decorata
Atractelmis wawona
Neoelmis caesa
Bryelmis idahoensis
Macrelmis shepardi
Esolus parallelepipedus
Dubiraphia giulianii
Dubiraphia brunnescens
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