Pupa of the Cockchafer (Melolontha Vulgaris) Small 146×320 Medium 292×640 Large 467×1024 Download Tiff Original 1095×2400 | (422.8 KB) Description "At the end of the third year it changes into a pupa, after having surrounded itself with a cocoon consolidated with a glutinous froth and some threads of silk." Keywords beetles, bugs, Coleoptera, insects Galleries Coleoptera: Beetles and Weevils Source: Hazlitt Alva Cuppy PH.D., Editor Beauties and Wonders of Land and Sea (Springfield, OH: Mast, Crowell & Kirkpatrick, 1895)