Kuwahara (Cottonwood) Mycelial Bottles for Egg Laying - 1400 size, 3 bottles - 1100 size, 1 bottle - for Regius and Golden Stag Beetles Kuwahara Mycelial Bottles 1400 size 3 bottles set *It seems these will be in short supply at my place as well. I'm hatching nearly 100 Tarandus beetles annually. Kuwahara Mycelial Bottles 1400 are ideal for raising Regius, Tarandus, and Golden Stag Beetles. I can teach you how to use them and how to raise the beetles. Recent Status: Golden Stag Beetles: 18 Tarandus Beetles: 15 Regius Beetles: 10 Please consult if you want multiple bottles. Type of insect breeding supplies: Larval breeding supplies/Mycelial bottles