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

Upcoming Events

Information about 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

Megasemum asperum

Megasemum asperum
Pack Forest, near Eatonville, Pierce County, Washington, USA
July 11, 2009
Size: circa 18 mm
A medium-sized longhorn beetle--I don't believe I've seen it posted yet. Size estimated. Image updated 2/21/19.

Search for insect photos from the 2009 BugGuide Gathering (gathering_2009).

Images of this individual: tag all
Megasemum asperum Megasemum asperum

Moved from Longhorned Beetles. I'm happy with that one--it matches our other images from the region, and there is just one North American species in the genus.
Vasili, thanks, you are a wonder!

i like Megasemum asperum for this one (Aseminae, anyway)
let's wait for the experts

(Moved from ID request.)

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