Related Program: NatureNotes Gall Wasps By Rudy Mancke • Apr 10, 2018 Related Program: NatureNotes TweetShareGoogle+Email A gall wasp (Cynipidae) oviposits into an existing oak gall. Alex Wild, University of Texas at Austin, "Insects Unlocked" project. [CC0], via Wikimedia Commons Varieties of Gall Wasps often have strict preference for the kind of plants they chose to host their young. Listen Listening... / 1:00 NatureNotes is a production of South Carolina Public Radio. Tags: NatureNatureNotesSCETV Appscetv.orgInsectsTweetShareGoogle+EmailView the discussion thread.