The Red and the Black: decoding the optical colours of ladybirds

Résultat scientifique

A multidisciplinary scientific team reveals that the micro- and nanoscale architecture of the elytra can selectively reflect certain wavelengths of light, thereby contributing to the perceived colour. This discovery of a structural contribution to the colour of ladybirds has opened up new perspectives in evolutionary biology and in the interpretation of colour-related signals.

The present research was conducted in the following CNRS laboratories :

  • Centre d'élaboration de matériaux et d'études structurales (CEMES, CNRS / INSA Toulouse / Université Toulouse Paul Sabatier)
  • Centre de recherche sur la biodiversité et l'environnement (CRBE, CNRS/UT3/IRD/Toulouse INP)

References :

Decoding ladybird’s colours: Structural mechanisms of colour production and pigment modulation, Marzia Carrada, Mohamed Haddadc, Luis San José, Gonzague Agez, Jean-Marie Poumirol, Alexandra Magro, PLOS ONE 20(6) : e032464 - Publié le 11 juin 2025. 
DOI : 10.1371/journal.pone.0324641

Contact

Marzia Carrada
Chargée de recherche CNRS au Centre d'élaboration de matériaux et d'études structurales (CEMES)
Communication CNRS Physique