Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada

Genus Macrelmis

Riffle Beetle? - Macrelmis texana Macrelmis texana Macrelmis moesta Priobium sp.? - Macrelmis texana Priobium sp.? - Macrelmis texana Macrelmis shepardi - male Macrelmis shepardi - male Macrelmis shepardi - male
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga
No Taxon (Series Elateriformia)
Superfamily Dryopoidea
Family Elmidae (Riffle Beetles)
Subfamily Elminae
Tribe Elmini
Genus Macrelmis
Synonyms and other taxonomic changes
Elsianus Sharp 1882
Explanation of Names
Macrelmis Motschulsky 1859
Numbers
6 spp. in our area, with several more in Mexico(1)(2), >50 total(3)
Identification
short accessory stria in scutellar area
Range
mostly neotropical; in our area, AZ-TX(1)(3)
Works Cited
1.American Beetles, Volume II: Polyphaga: Scarabaeoidea through Curculionoidea
Arnett, R.H., Jr., M. C. Thomas, P. E. Skelley and J. H. Frank. (eds.). 2002. CRC Press LLC, Boca Raton, FL.
2.Revision of Macrelmis Motschulsky, 1860 in the Southwestern United States and Northern Mexico with description of four new speci
Barr, Cheryl B. 2021. The Coleopterists Bulletin 75(1):93-120.
3.La familia Elmidae (Insecta: Coleoptera: Byrrhoidea) en Colombia: riqueza taxonómica y distribución
González-Córdoba M., Zúñiga M. del C., Manzo V. 2020. Rev. Acad. Colomb. Cienc. Ex. Fis. Nat. 44(171): 522-553.