Defense
C. maxillosus has abdominal defensive glands used to secrete a mixture of substances that act as an irritant to predators. These glands are located beneath the abdominal tergites. When threatened or disturbed, the beetle revolves its abdomen and touches abdominal tip to offender to wipe the glands. Ants (Formica exsectoides) are a common offender and have portrayed that this defense takes place. The ants are shown to be repelled by the four major components of secretion (isoamyl acetate, iridodial, E-8-oxocitronellyl acetate, and dihydroneptalactone). Dihydroneptalactone is the main principal ingredient of chemical defense.
Read more about this topic: Creophilus Maxillosus
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Famous quotes containing the word defense:
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—Václav Havel (b. 1936)
“He said, truly, that the reason why such greatly superior numbers quailed before him was, as one of his prisoners confessed, because they lacked a cause,—a kind of armor which he and his party never lacked. When the time came, few men were found willing to lay down their lives in defense of what they knew to be wrong; they did not like that this should be their last act in this world.”
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“Our reliance is in the love of liberty which God has planted in our bosoms. Our defense is in the preservation of the spirit which prizes liberty as the heritage of all men, in all lands, every where.”
—Abraham Lincoln (1809–1865)