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Tribe Macronychini

elmid - Zaitzevia parvula Macronychus glabratus Canterbury River elmid - Macronychus glabratus Yellow-legged Riffle Beetle - Macronychus glabratus Unknown beetle - Macronychus glabratus riffle beetle larva - Macronychus glabratus riffle beetle larva - Macronychus glabratus riffle beetle larva - Macronychus glabratus
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga
No Taxon (Series Elateriformia)
Superfamily Byrrhoidea
Family Elmidae (Riffle Beetles)
Subfamily Elminae
Tribe Macronychini
Numbers
3 spp. in 2 genera in our area(1)
Range
much of NA: Macronychus in the east, Zaitzevia in the west(2)
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.A catalog of Coleoptera of America North of Mexico. Elmidae
Brown H.P. 1983. USDA Agriculture handbook no. 529-143b. x + 23 pp.