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Insects have a wide variety of predators, including birds, reptiles, amphibians, mammals, carnivorous plants, and other arthropods.The great majority (80–99.99%) of individuals born do not survive to reproductive age, with perhaps 50% of this mortality rate attributed to predation. [1]
The damage caused can be fatal to attacking insects. Some bombardier beetles can direct the spray in a wide range of directions. The beetle's unusual defense mechanism has been claimed by some creationists as something that could not have evolved, although this is refuted by evolutionary biologists. [2]
Phasmatodea species exhibit mechanisms for defense from predators that prevent an attack from happening in the first place (primary defense), and defenses that are deployed after an attack has been initiated (secondary defense). [14] The defense mechanism most readily identifiable with Phasmatodea is camouflage, in the form of a plant mimicry.
This potential, however, can hinge on a number of the insect's traits. For example, hemipteran predators can use their sucking mouthparts to make use of leaves, stems, and fruits, but spiders with chelicerae cannot. [17] Still, insects widely considered to be purely carnivorous have been observed to diverge from expected feeding behavior. [18]
Production of allomones is a common form of defense against predators, particularly by plant species against insect herbivores. In addition to defense, allomones are also used by organisms to obtain their prey or to hinder any surrounding competitors. [2] Many insects have developed ways to defend against these plant defenses (in an ...
Illustration of an archerfish shooting water at an insect on a hanging branch. Although projectiles are commonly used in human conflict, projectile use by organisms other than humans is relatively rare. However, some organisms are capable of using various different types of projectiles for defense or predation.
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