Animals You May Not Have Known Existed Umbonia Spinosa These thorn bugs are related to cicadas, and use their beaks to pierce plant stems to feed upon their sap. Their strange appearance still poses many questions to scientists. Prev Next Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54