Camouflage by Integumentary Wetting in Bark Bugs

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Science  15 Feb 1980:
Vol. 207, Issue 4432, pp. 773-775
DOI: 10.1126/science.207.4432.773


Unlike most insect integuments, the body surfaces of certain bark-inhabiting bugs are wettable. A thin film of water reduces the reflectivity of the insect, resulting in a close match with the wettable bark upon which it rests. Wettability probably aids in concealing the insects from predators.