Farming/Nature Digger Wasp By The Suffield Observer | September 1, 2018 LikeTweet EmailPrint More More on Farming/Nature Subscribe to Farming/Nature Photo by Kacy Colston This Great Golden Digger Wasp is enjoying Asclepius Tuberosa – a more ornamental variety of milkweed - in the butterfly garden at Hilltop Farm. Wasps are pollinators and are beneficial because they kill many insect pests that are harmful to crops.