Corpus ID: 7974461

Tiger Beetle Biology and Visual Hunting Behavior

@inproceedings{bewalsstrain2015TigerBB,
  title={Tiger Beetle Biology and Visual Hunting Behavior},
  author={Brandon Ewals-Strain bewalsstrain},
  year={2015}
}
This review article covers the behavioral responses of the diurnal tiger beetle, including both the adults and larvae while hunting and adjusting to moving objects such as prey. This article provides examples of binocular and monocular vision used by the predacious beetles, a type of distance control or measuring device. The larvae of the tiger beetle are ambush predators that sit in open sandy areas in burrows that it has built awaiting prey that comes within range. When prey approaches, the… Expand

References

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TLDR
It is concluded that visual information about hunting range in the tiger beetle larva is extracted both peripherally by the spatial pattern of image clarity and centrally by binocular vision. Expand
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TLDR
When pursuing prey dummies, beetles track continuously and quickly follow changes in target position, suggesting closed-loop control using a position-sensitive servo mechanism, and limitations in signal detection, particularly spatio-temporal contrast, that may force beetles to use an open-loop system. Expand
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TLDR
It is indicated that tiger beetles use elevation to estimate distance to prey, and that it is therefore one of the determinants of prey selection. Expand
Dynamic visual cues induce jaw opening and closing by tiger beetles during pursuit of prey
TLDR
The ‘sloppiness' of such variation in the lag of the behavioural response, especially jaw closing, is discussed as an adaptation to uncertainty about target position due to degradation of the target image by motion blur from the fast-running beetle. Expand
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TLDR
Results show that other modalities can be used by tiger beetles during prey capture, and suggest the need to test underlying assumptions of even well-studied organisms. Expand
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TLDR
The goals of this article are to introduce tiger beetles to biologists seeking an ideal group of organisms for testing and integrating generalizations in such areas as ecology, physiology, behavior, morphology, phylogeny, and biogeography. Expand
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TLDR
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TLDR
The optical measurements are expanded and an unusual visual mechanism is outlined that is likely to be essential for the extraordinary hunting ability of these larvae. Expand
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TLDR
An unexpected vegetarian feeding behaviour in a predatory tiger beetle Calomera littoralis nemoralis was observed on the marine sandy beach in Albania during eating grains of maize and coocked macaroni, the first known case of feeding on plant grains by Cicindelidae species. Expand
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