Photo 1581857, (c) Liam O'Brien, some rights reserved (CC BY-NC), uploaded by Liam O'Brien

Attribution © Liam O'Brien some rights reserved Uploaded by robberfly Source iNaturalist Associated observations Photos / Sounds 3 photos What Giant Western Crane Fly (Holorusia hespera) Observer robberfly Date February 26, 2015 07:20 PM PST Place The Presidio of San Francisco, San Francisco, CA, US (Google, OSM) Date Added February 26, 2015 10:46 PM PST Description THE BIGGEST one I've ever seen! 3 to 4 inches? 5 comments 5 IDs Research Grade View Sizes small medium large original