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

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

TaxonomyBrowseInfoImagesLinksBooksData
Photo#282465
Ophiogomphus bison

Ophiogomphus bison
Del Puerto Canyon, California, USA
May 31, 2009
Size: 3"+
Looks similar to Ophiogomphus bison. Anyone have a thought to its actual ID?

think so
With the green thorax and yellowish appendages, it should be Ophiogomphus. Bison appears to be the only one recorded from the county (assuming the google links to Stanislaus are the correct Del Puerto) although a couple others have been found nearby. Both of those appear to have a thin green stripe breaking up the black on the shoulder, so I'd say this is Bison.

 
Cool! I love Gomphids, but fo
Cool! I love Gomphids, but for some reason I rarely come across them!

Comment viewing options
Select your preferred way to display the comments and click 'Save settings' to activate your changes.