Family Elmidae

The riffle beetles

reviewed by R. Roughley, August 1992

Subfamily Elminae

Tribe Ancyronychini

Ancyronyx Erickson

• A. variegata (Germar), ON, ME-TX, FL (ALA, BAY, COLU, LEO, LIB, OKA, WAL)

Tribe Elmini

Dubiraphia Sanderson

• D. vittata (Melsheimer), MB, PQ, DC-TX, FL (ALA, GUL, HAR, HIL, LIB, TAY, WAK)

Gonielmis Sanderson

• G. dietrichi (Musgrave), SC-MS, FL (HOL, LEO, WAL)

Microcylloepus Hinton

• M. pusillus pusillus (LeConte), CA, MT-ON, FL (ALA, HAM, HIL, LAK, WAK)
• M. pusillus aptus (Musgrave), VA, FL
• M. pusillus perditus (Musgrave), FL (LAK)

Stenelmis Dufour

• S. antennalis Sanderson, SC, MS-FL (BAY, JAC, NAS, OKA, WAL)
• S. convexula Sanderson, FL (BAY, CAL, GAD, HOL, LEO, LIB, OKA, WAK, WAL)
• S. crenata (Say), TX, KS-MI, FL (LEO, LIB)
• S. decorata Sanderson, IN-KS-AR-FL (CAL, GAD, JAC, JEF, LIB, SRO, in J.H. Epler Coll.)
• S. fuscata Blatchley, AL, FL (ALA, BAY, DAD, HAM, HER, JAC, JEF, LAK, POL, PUT)
• S. grossa Sanderson, IN-AR-FL (ESC, JEF, in J.H. Epler Coll.)
• S. hungerfordi Sanderson, GA, FL (ALA, HIL, MARI, PAS)
• S. lignicola Schmude and Barr, SC-IN-MS-FL (CAL, GAD, JAC, LIB, OKA, SRO, in J.H. Epler Coll.)
• S. musgravei Sanderson, ON-WI-TX-FL (ALA, CAL, JAC, SRO, in J.H. Epler Coll.)
• S. sinuata LeConte, SC-LA, FL (LEO, LIB, WAK)
• S. xylonastis Schmude and Barr, MD-OK-FL (BAY, GAD, JAC, NAS, OKA, SRO, WAL, in J.H. Epler Coll.)

Tribe Macronychini

Macronychus Müller

• M. glabratus Say, TX, ND-ME, FL (ALA, BAY, JAC, JEF, LIB, OKA, WAL, WAS)

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