Visual prey discrimination in monocular and binocular praying mantis Tenodera sinensis during postembryonic development

Köck, Astrid; Jakobs, Anna-Katharina; Kral, Karl

doi:10.1016/0022-1910(93)90080-b

Cited by 19 publications

(7 citation statements)

References 23 publications

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“…Depth perception has thus been doubly advantageous during the course of mantis evolution, and there is no doubt that the ability to see in depth is congenital [Mathis et al, 1992]. This does not mean to suggest that experience and learning play no role, however [Köck et al, 1993]. Perception in insects seems to be considerably more plastic than many researchers think or want to believe [see e.g.…”

Section: Spatial Vision In the Course Of Evolutionmentioning

confidence: 80%

“…This graph indicates the average degree (+SD) of the effect of unilateral blinding on capture efficiency, depending on age and a 5-day-training in the praying mantis Tenodera sinensis. [Modified after Köck et al, 1993; with kind permission from Elsevier Science Ltd.] Fig. 5.…”

Section: Spatial Vision In the Course Of Lifementioning

confidence: 99%

“…It thus appears that young mantises can perform both binocular and monocular calculations of distance to prey, but they increasingly come to depend more on the binocular mechanism, in which the horizontal disparity between retinal images in the left and right eyes plays a decisive role [Rossel, 1986] (see table 1). Köck et al [1993] went into this question by fully blinding one eye of Tenodera sinensis at different ages and then examining pey-capturing behavior during a given life stage (e.g. throughout the larval stage, or during the first week of adulthood).…”

Section: Spatial Vision In the Course Of Lifementioning

confidence: 99%

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Spatial Vision in the Course of an Insect’s Life

Kral¹

1998

Brain Behav Evol

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Praying mantises are considered to be phylogenetically ancient insects with their roots in the palaeozoic Protoblattoidea. They have evolved two mechanisms for spatial vision: (a) estimating the distance to moving prey objects with the use of binocular disparity [Rossel, 1983] and (b) estimating the distance to stationary target objects with motion parallax produced by head movements [Poteser and Kral, 1995]. There is no doubt that the ability to use both visual cues is congenital, but the degree to which either mechanism is developed and its significance to the individual depends to some extent upon the animal’s age and exposure to prey species and environmental cues. Experience and learning play an important role. It appears that young mantises can perform both binocular and monocular calculations of distance but they grow to depend more on the binocular mechanism. Motion parallax plays an important role in movement strategy throughout the course of a mantis’s life, but this mechanism appears to be particularly in early life.

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Section: Spatial Vision In the Course Of Evolutionmentioning

confidence: 80%

Section: Spatial Vision In the Course Of Lifementioning

confidence: 99%

Section: Spatial Vision In the Course Of Lifementioning

confidence: 99%

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Spatial Vision in the Course of an Insect’s Life

Kral¹

1998

Brain Behav Evol

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“…2B). 17 v = Mean peer velocity (at the end of the second instar and the third instar); b = distance between frontal ommatidia of both eyes; c = distance between most medial ommatidia of both eyes (Kock et al, 1993); t = average interstimulus interval for b and c (at the end of the second and the third stadium); tb -r, = difference in running time.…”

Section: Resultsmentioning

confidence: 99%

Visual deprivation and distance estimation in the praying mantis larva

Walcher

Kral

1994

Physiological Entomology

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Abstract. Young larvae of the praying mantis, Tenodera sinensis Saussure, were placed on an off‐centre island surrounded by a round arena with six black bars painted on a white inner wall. In this situation, it was shown that the horizontal peering movements of the head often seen in mantids are in fact used to measure distances; motion parallax may be involved in this process. Aimed jumps that followed peering were taken to be the distinct result of an absolute distance measurement. Specific visual deprivation such as painting over of certain parts of the eye with opaque black varnish or degeneration of the fovea with sulforhodamine showed that: absolute evaluation of distance is only possible with two fully intact eyes; the peering mechanism is under visual control; and visual experience has a long‐term effect on distance measurement involving peering movements.

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“…The fields of view of the compound eyes can extend as far as 230° horizontally and 245° vertically. This includes a forward-looking binocular field (viewed by both eyes simultaneously) with a horizontal extension of about 40° in early nymphs and up to 70° in adults (Rossel, 1979;Köck, 1992;Köck et al, 1993;Prete et al, 2011).…”

Section: Introductionmentioning

confidence: 99%

The functional significance of mantis peering behaviour

Kral¹

2012

Eur. J. Entomol.

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Abstract. The aim of this review is to explain the functional significance of mantis peering behaviour from an entomological perspective. First the morphological and optical features of the mantis compound eye that are important for spatial vision are described. The possibility that praying-mantises use binocular retinal disparity (stereopsis) and other alternative visual cues for determining distance in prey capture, are discussed. The primary focus of the review is the importance of peering movements for estimating the distance to stationary objects. Here the following aspects are examined: (1) Direct evidence via object manipulation experiments of absolute distance estimation with the aid of self-induced retinal image motion; (2) the mechanism of absolute distance estimation (with the interaction of visual and proprioceptive information); (3) the range of absolute and relative distance estimation; (4) the influence of target object features on distance estimation; and (5) the relationship between peering behaviour and habitat structures, based on results of studies on three species of mantis.

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Visual prey discrimination in monocular and binocular praying mantis Tenodera sinensis during postembryonic development

Cited by 19 publications

References 23 publications

Spatial Vision in the Course of an Insect’s Life

Spatial Vision in the Course of an Insect’s Life

Visual deprivation and distance estimation in the praying mantis larva

The functional significance of mantis peering behaviour

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