Eisner T, Kluge A F, Carrel J E, Meinwald J
Science. 1971 Aug 13;173(3997):650-2. doi: 10.1126/science.173.3997.650.
The phalangid Vonones sayi has a pair of exocrine defensive glands that secrete quinones (2,3-dimethyl-1,4-benzoquinone and 2,3,5-trimethyl-1,4- benzoquinone). When distributed, the animal emits the secretion, dilutes it with aqueous regurgitated fluid, and effects dosaged delivery of the mixture by brushing it on the assailant with the tips of its forelegs. Predators such as ants are effectively repelled.
叶足蛛科的萨伊沃诺蛛有一对外分泌防御腺，能分泌醌类物质（2,3 - 二甲基 - 1,4 - 苯醌和2,3,5 - 三甲基 - 1,4 - 苯醌）。受到惊扰时，这种蜘蛛会分泌出分泌物，并用反流的液体将其稀释，然后用前足尖将混合物涂抹在攻击者身上，实现定量释放。像蚂蚁这样的捕食者会被有效击退。
