Defensive Use of a "Fecal Shield" by a Beetle Larva

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Science  15 Dec 1967:
Vol. 158, Issue 3807, pp. 1471-1473
DOI: 10.1126/science.158.3807.1471


The larva of Cassida rubiginosa carries a tight packet of cast skins and feces on a fork held over its back. The packet is a maneuverable shield used by the larva to protect itself against attack. It is highly effective in blocking the bite of ants.