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Genus Melanactes

Black beetle - Melanactes densus Click Beetle: 2012.06.24.29788 - Melanactes piceus Click Beetle  - Melanactes morio Melanactes morio (Fabricius) - Melanactes morio - male large black beetle - Melanactes densus Melanactes consors Melanactes piceus? - Melanactes Elateridae ID - Melanactes piceus
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 Elateroidea (Click, Firefly and Soldier Beetles)
Family Elateridae (Click Beetles)
Subfamily Oxynopterinae
Genus Melanactes
Synonyms and other taxonomic changes
revised in Mathieu (1961)(1)
Explanation of Names
Melanactes LeConte 1853
'shining black'
6 spp. total, all in our area(2)
18-32 mm
Large, smooth, shining black, distinguished from allied genera by having the sides of the mesosternal cavity raised and swollen so as to be protuberant, and the tarsal joints furnished beneath with a dense brush of hairs. The antennae are serrate with third joint usually a little longer than fourth and the hind angles of thorax are prominent and strongly carinate.(3)
key to spp. in Mathieu (1961)(1)
mostly eastern (3 spp. span e. & c. US, one is restricted to c. US, and one to the East Coast), with 1 western sp. (so. OR to Baja)(1)
Works Cited
1.Revision of the genus Melanactes, with a proposed new genus (Coleoptera, Elateridae)
Mathieu J.M. 1961. Amer. Midland Naturalist 65: 459-480.
2.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.
3.An illustrated descriptive catalogue of the Coleoptera or beetles (exclusive of the Rhynchophora) known to occur in Indiana.
Blatchley, W. S. 1910. Indianapolis,Nature Pub. Co.