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Crystal solution

点击量:   时间:2019-03-06 10:05:04

EARWIGS may have the most economical chemical weapons in the insect world. When threatened, earwigs spray irritant chemicals called quinones from glands on their abdomen. Thomas Eisner of Cornell University and his colleagues have found that the quinones are stored as crystals, which are dissolved by another chemical called pentadecane when required (Chemoecology, vol 10, p 81). The openings of the glands are tiny, however,