Appearance and relative size of last instar and adult twicestabbed lady beetle, Chilocorus orbus.. Credit: Packard AS. 1872. Guide to the Study of Insects. 3rd. ed. F.W. Putnam. Salem, MA. Larva by C.V. Riley in Sanderson ED, Jackson CF. 1912. Elementary Entomology. Ginn. Boston, MA. Adapted by UC IPM.
