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

Giving Tuesday, November 30. Please consider a gift to BugGuide!

BugGuide is a National Moth Week Partner. How to add your National Moth Week 2021 photos. July 17-25.

Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

National Moth Week 2020 photos of insects and people.

Photos of insects and people from 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

Previous events


San Gabriel River Flood Control Basin, west of rock quarry, Irwindale, Los Angeles County, California, USA
April 23, 2007
Size: ~ 9mm
On Encelia farinosa.
Looks like a megachile, but don't know whether any more can be said based on these photos. I'm posting an image of a male from the same site.

Images of this individual: tag all
Megachile Megachile Megachile


Megachile (Megachiloides) sensu lato
this resembles M. wheeleri, among others; there are many similar species of Megachiloides

Thanks again, John!
Though at the edge of urban areas, this bee flies in one of the last remnants of riparian foothill scrub (Scalebroom series) in SoCal.

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