Photo 2312843, (c) andriyr, some rights reserved (CC BY-NC)

Attribution © andriyr some rights reserved Uploaded by andriyr Source iNaturalist Associated observations Photos / Sounds What Hedgehog Gall Wasp (Acraspis erinacei) Observer andriyr Date August 26, 2015 02:51 PM EDT Place Harvard Black Rock Forest, Highlands, NY, US (Google, OSM) Date Added August 27, 2015 01:29 PM UTC Description Wasp egg sack? 3 IDs Research Grade View Sizes small medium large original