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Updated: Jan 12, 2026

Determination of Photoreceptor Cell Spectral Sensitivity in an Insect Model from In Vivo Intracellular Recordings
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Praying mantises possess multiple spectral photoreceptor classes.

Ruchao Qian1, Jamie C Theobald2, Tamara M Frank3

  • 1Department of Biological Sciences, Florida International University, Miami, FL, 33199, USA. rqian003@fiu.edu.

Journal of Comparative Physiology. A, Neuroethology, Sensory, Neural, and Behavioral Physiology
|November 8, 2025
PubMed
Summary

Praying mantises may see color, challenging previous beliefs. New research reveals distinct spectral sensitivities in their eyes, suggesting color vision aids their camouflage and hunting.

Keywords:
Chromatic adaptationColor visionCompound eyeElectroretinographyInsect visionPhotoreceptorsPraying mantisSpectral sensitivityVisual adaptationWing reflectance

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Area of Science:

  • Entomology
  • Animal Behavior
  • Sensory Ecology

Background:

  • Praying mantises are known for their exceptional camouflage abilities.
  • They were previously thought to be colorblind (monochromats).

Purpose of the Study:

  • To investigate the spectral sensitivity of praying mantis compound eyes.
  • To determine if praying mantises possess color vision.

Main Methods:

  • Electroretinography was used to measure spectral sensitivity in three praying mantis species.
  • Light sensitivity was tested across a wavelength range of 350–650 nm under dark and chromatic adaptation.

Main Results:

  • Distinct spectral sensitivity peaks were observed, indicating multiple photoreceptor types.
  • Theopropus elegans and Popa spurca showed potential trichromatic vision with peaks in green, ultraviolet, and blue light.
  • Hymenopus coronatus exhibited a simpler dichromatic pattern.

Conclusions:

  • Praying mantises likely possess color vision, contrary to prior assumptions.
  • Color vision may be crucial for enhancing camouflage and predatory efficiency in their environments.