Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Calendar
Upcoming Events

National Moth Week photos of insects and people. Here's how to add your images.

Photos of insects and people from the 2019 BugGuide Gathering in Louisiana, July 25-27

Discussion, insects and people from the 2018 gathering in Virginia, July 27-29

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

Photos of insects and people from the 2013 gathering in Arizona, July 25-28

Photos of insects and people from the 2012 gathering in Alabama

Photos of insects and people from the 2011 gathering in Iowa


TaxonomyBrowse
Info
ImagesLinksBooksData

Species Macrosiagon cruenta

Wedge-shaped Beetle - Macrosiagon cruenta - male Wedge-shaped Beetle - Macrosiagon cruenta - female Wedge-shaped Beetles again - Macrosiagon cruenta - female Wedge-shaped Beetle - Macrosiagon cruenta Macrosiagon? - Macrosiagon cruenta Texas - Beetle? - Macrosiagon cruenta Red-winged wedge beetle - Macrosiagon cruenta Macrosiagon cruenta
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 cruenta (Macrosiagon cruenta)
Explanation of Names
Macrosiagon cruenta (Germar 1824)
cruenta = 'bleeding, bloody'
Size
5.0-8.0 mm(1)
Range
VA-FL to SK-TX; Cuba, Mexico(1)(2)(3)
Season
May-Sep at lower elevations in NC(4)
Life Cycle
Parasitize wasps (Tiphiidae, Scoliidae, Vespidae, Specidae)(5), attacks eumenids in twig and mud nests(6)
beetle emerging from Eumenes smithii nest:
Works Cited
1.Beetles of Eastern North America
Arthur V. Evans. 2014. Princeton University Press.
2. A distributional checklist of the beetles (Coleoptera) of Florida.
Peck & Thomas. 1998. Florida Department of Agriculture and Consumer Services, Gainesville. 180 pp.
3.Checklist of beetles (Coleoptera) of Canada and Alaska. Second edition
Bousquet Y., Bouchard P., Davies A.E., Sikes D.S. 2013. ZooKeys 360: 1–402.
4.Insects of North Carolina
C.S. Brimley. 1938. North Carolina Department of Agriculture.
5.Field Guide to Beetles of California
Arthur V. Evans and James N. Hogue. 2006. University of California Press.
6.The Wasps
Howard Ensign Evans, Mary Jane West Eberhard. 1970. University of Michigan Press.