Male leafcutting bee (Megachile) approaching an Origanum

bee approaching a flower

Detailed Description

The alfalfa leafcutting bee (Megachile rotundata) is an introduced species common to Southwest Idaho. They originate from the old world, most likely from northeastern Africa or the Middle East. These bees are successful pollinators of various crops and have been imported to North America for use in agriculture and beekeeping.


Image Dimensions: 1050 x 788

Date Taken:

Location Taken: Idaho Falls, ID, US


Emily Sun, USGS


Identification of Bees in Southwest Idaho—A Guide for Beginners
Sun, E.R., and Pilliod, D.S., 2018, Identification of bees in southwest Idaho—A guide for beginners: U.S. Geological Survey Circular 1448, 84 p.,