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For Insects, Spiders & Their Kin
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Fall Fund Drive

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Genus Macronychus

Canterbury River elmid - Macronychus glabratus Canterbury River elmid - Macronychus glabratus Canterbury River elmid - Macronychus glabratus Macronychus glabratus Riffle beetle? - Macronychus glabratus Yellow-legged Riffle Beetle - Macronychus glabratus Macronychus glabratus Water insect - Macronychus glabratus
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga (Water, Rove, Scarab, Long-horned, Leaf and Snout Beetles)
No Taxon (Series Elateriformia)
Superfamily Byrrhoidea (Pill, Water and Toe-winged Beetles)
Family Elmidae (Riffle Beetles)
Subfamily Elminae
Tribe Macronychini
Genus Macronychus
Numbers
A single species in our area(1)
Range
e. NA: PQ-ND south to FL-TX(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.