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

2018 BugGuide Gathering in Virginia July 27-29: Registration and Discussion

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 Nemognatha

Nemognatha? - Nemognatha punctulata Unknown beetle - Nemognatha piazata Red-Orange Beetle - Nemognatha nigripennis BG3105 E9435h - Nemognatha piazata orange and black beetle - Nemognatha sparsa Orange Beetle on Texas Thistle - Nemognatha Unknown Beetle - Nemognatha nigripennis Beetle with Orange Pronotum & Head - Nemognatha nemorensis
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 Meloidae (Blister Beetles)
Subfamily Nemognathinae
Tribe Nemognathini
Genus Nemognatha
Explanation of Names
Nemognatha Illiger 1807
Nemognatha - Greek for 'thread jaw'
Numbers
28 spp. in 4 subgenera in our area(1), ~50 in New World, ~80 worldwide(2); selected local faunas: 4 spp. in Canada(3), 4 in NC(4), 3 in FL(5), 14 in CA(6), 1 in NH(7), 7 in OK(8), 10 in AZ
Size
5.5-15 mm
Identification
separation from Zonitis remains problematic; species are very difficult to identify, our spp. are separated by aedeagus structure(2); key to spp. in(9)
Range
Worldwide (except Australasia); throughout the New World except for the cold high latitudes(2); in our area, more diverse in the west
Season
spring, summer
Food
larval hosts: solitary bees of several families(2); adults: nectar and pollen, especially of Asteraceae(10)
Life Cycle
Females lay eggs on flowers, larvae attach to visiting bees and are carried to bee nests(11)
Remarks
mouthparts (maxillae) very long (used to suck nectar)(12)
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.The New World genera of Meloidae (Coleoptera): a key and synopsis
Pinto J.D., Bologna M.A. 1999. J. Nat. Hist. 33: 569-620.
3.Bousquet Y., ed. (1991) Checklist of the beetles of Canada and Alaska
4.NCSU insect collection species inventory database
5.A Distributional Checklist of the Beetles (Coleoptera) of Florida
6.California Beetle Project
7.University of New Hampshire Insect and Arachnid Collections
8.Checklist of the Coleoptera of Oklahoma
9. A revision of the genera Nemognatha, Zonitis, and Pseudozonitis (Coleoptera, Meloidae) in America north of Mexico, with....
Enns, W.R. 1956. University of Kansas Scientific Bulletin 37(17): 685-909.
10.Field Guide to Beetles of California
Arthur V. Evans and James N. Hogue. 2006. University of California Press.
11.Peterson Field Guides: Beetles
Richard E. White. 1983. Houghton Mifflin Company.
12.The Natural History of Pollination
Michael Proctor, Peter Yeo, and Andrew Lack. 1996.