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

Discussion of 2018 gathering

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

Photos from the 2010 Workshop in Grinnell, Iowa

Photos from the 2009 gathering in Washington

TaxonomyBrowse
Info
ImagesLinksBooksData

Genus Megacerus - Large-horned Bruchids

Bush Morning Glory Beetle - Megacerus discoidus - male - female Stumped. Odd, very distinct beetle. Family? Anything? - Megacerus discoidus Megacerus maculiventris (Fahraeus) - Megacerus maculiventris - male Bruchid - Megacerus cubiculus - male ID this bug? - Megacerus discoidus bruchid - Megacerus impiger - male Bruchini  - Megacerus Megacerus cubiculus? - Megacerus cubiculus - 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 Cucujiformia)
Superfamily Chrysomeloidea (Long-horned and Leaf Beetles)
Family Chrysomelidae (Leaf Beetles)
Subfamily Bruchinae (Pea and Bean Weevils)
Tribe Bruchini
Genus Megacerus (Large-horned Bruchids)
Explanation of Names
Megacerus FĂ„hraeus 1839
Numbers
9 spp. in 3 subgenera in our area(1)
Identification
Antennae of males pectinate; hind femora not greatly enlarged(2)
Range
e. and so. US to CA (3)
Remarks
our only representative of the subtribe Megacerina Bridwell 1946
See Also
Male Emelinus (Aderidae) have similar antennae and head shape:
Works Cited
1.Handbook of the Bruchidae of the United States and Canada
Kingsolver J.M. 2004. USDA, Technical Bulletin 1912 (2 vols.).
2.Leaf and Seed Beetles of South Carolina
Janet Ciegler. 2007. Clemson University.
3.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.