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Family Cerophytidae - Rare Click Beetles

Rare click beetle - Cerophytum pulsator - female Cerophytum convexicolle - male Cerophytum convexicolle - female Beetle 03.28.2009 018 - Cerophytum pulsator - male Cerophytum convexicolle LeConte - Cerophytum convexicolle - female Cerophytum pulsator (Haldeman) - Cerophytum pulsator - male C. pulsator? - Cerophytum pulsator - male Cerophytum pulsator (Haldeman)  - Cerophytum pulsator - male
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 Elateroidea (Click, Firefly and Soldier Beetles)
Family Cerophytidae (Rare Click Beetles)
Explanation of Names
Cerophytidae Latreille 1834
Numbers
2 spp. in a single genus in our area(1), ~20 spp. in 3 genera total(2)
Identification
Antennae strongly serrate to pectinate, body short, head deflexed with protruding frons, and trochanters long. Unlike other elateroids, it shares with many beetle families, such as those in Cucujoidea and Tenebrionoidea, the metacoxae lacking a distinct posterior face, the metatrochanter is often inserted on the ventral surface or on a small medial projection of the coxa, never received in coxal excavation, resting ventrad of metacoxa in retracted position, and the ventral surface of the metacoxa more or less continuous with first ventrite.
Range
Americas and Europe; in our area, e. US and the Pacific (OR-CA)(1)
Habitat
lowland and mid-elevation forests; associated with deciduous trees, sometimes found in leaf litter or under ground debris(1)
Food
apparently feed on laminated rotten xylem(1)
Remarks
adults jump like click beetles; usually netted in flight of taken by traps; come to lights(1)
Internet References
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.Order Coleoptera Linnaeus, 1758. In: Zhang Z.-Q. (ed.) Animal biodiversity: An outline of higher-level classification...
Ślipiński S.A., Leschen R.A.B., Lawrence J.F. 2011. Zootaxa 3148: 203–208.
3.Lawrence J.F., et al. (2000-2005) Elateriformia (Coleoptera): descriptions, illustrations, identification...