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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
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Species Sphaeroderma testaceum

Sphaeroderma testaceum (F) - Sphaeroderma testaceum Sphaeroderma testaceum (F) - Sphaeroderma testaceum Sphaeroderma testaceum (F) - Sphaeroderma testaceum
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 Galerucinae (Skeletonizing Leaf Beetles and Flea Beetles)
Tribe Alticini (Flea Beetles)
Genus Sphaeroderma
Species testaceum (Sphaeroderma testaceum)
Explanation of Names
Sphaeroderma testaceum (Fabricius 1775)
Size
3.5-4 mm(1)
Range
native to Europe, adventive in NA (Atlantic Canada)(2)
Food
in NA, on the adventive Canada thistle (Cirsium arvense, Asteraceae), but in the native range hosts include several (related) plant genera(2)
Internet References