Photo 35135292, (c) Casey Hale, some rights reserved (CC BY-NC), uploaded by Casey Hale

Attribution © Casey Hale some rights reserved Uploaded by caseyhale Source iNaturalist Associated observations Photos / Sounds 2 photos What Horn-faced Mason Bee (Osmia cornifrons) Observer caseyhale Date April 18, 2019 05:10 PM EDT Place Schoellkopf Field, Ithaca, NY, US (Google, OSM) Date Added April 18, 2019 05:12 PM EDT 5 IDs Research Grade View Sizes small medium large original