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Species Macrosiagon flavipennis

Wedge shaped beetle, species unknown? - Macrosiagon flavipennis - male Macrosiagon sp.? - Macrosiagon flavipennis - female Female Macrosiagon 1 - Macrosiagon flavipennis - female Female Macrosiagon 1 - Macrosiagon flavipennis - female Female Macrosiagon 1 - Macrosiagon flavipennis - female Female Macrosiagon 1 - Macrosiagon flavipennis - female Female Macrosiagon 2 - Macrosiagon flavipennis - female Macrosiagon flavipennis
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 Cucujiformia)
Superfamily Tenebrionoidea (Fungus, Bark, Darkling and Blister Beetles)
Family Ripiphoridae (Wedge-shaped Beetles)
Subfamily Ripiphorinae
Genus Macrosiagon
Species flavipennis (Macrosiagon flavipennis)
Synonyms and other taxonomic changes
Macrosiagon abdominalis LeConte 1866
Explanation of Names
Macrosiagon flavipennis LeConte 1866
flavipennis = 'yellow-winged'
Size
7.0-11.0 mm(1)
Identification
If you compare it to M. dimidiata, you'll notice this species has an odd, fin or cup-shaped tubercle on the posterior of the pronotum that the other one lacks. This species also has something of a dimple or concavity to its forehead. The females of M. flavipennis tend to have red abdoma whereas those of M. dimidiata tend to be all black. --Zack Falin, 11.iii.2005
These characters are shown below:
Range
Across the US (MA-FL to CA); Mexico(2)
Season
Jun-Jul in NC(3)
Life Cycle
reported to attack Bembix wasps(4)
Works Cited
1.Beetles of Eastern North America
Arthur V. Evans. 2014. Princeton University Press.
2.The Beetles of Northeastern North America, Vol. 1 and 2.
Downie, N.M., and R.H. Arnett. 1996. The Sandhill Crane Press, Gainesville, FL.
3.Insects of North Carolina
C.S. Brimley. 1938. North Carolina Department of Agriculture.
4.The Wasps
Howard Ensign Evans, Mary Jane West Eberhard. 1970. University of Michigan Press.