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Ver luisant - BleuVertPhoto

BleuVertPhoto

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Ver luisant

Auteur
Romain
Créée le
Dimanche 15 Juillet 2007
Ajoutée le
Lundi 03 Octobre 2011
Mots-clés
Vert
Albums
Faune / Insectes
Visites
5752
Note moyenne
5.00 (notée 1 fois)
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2007_0715divers0007.jpg

Malgré son nom, le Lampyre ou Ver luisant (Lampyris noctiluca) n'est pas un ver : comme les autres lucioles, c'est un insecte coléoptère.
Le lampyre a la faculté d’émettre de la lumière par la partie terminale de son abdomen (seul le dernier segment est lumineux chez les larves et les mâles, alors que la femelle, beaucoup plus lumineuse, émet aussi par la face ventrale des deux avant-derniers segments. Les oeufs eux-mêmes sont lumineux. Ce phénomène est dû à un effet de bioluminescence. Cette manifestation prend forme lors d’une forte concentration de luciférine dans les cellules. Lorsque l’on mélange la luciférine avec de l’oxygène, cela produit une lumière verdâtre (elle peut être bleue, jaune ou rouge dans d'autres espèces). Cette énergie est très particulière car elle produit seulement 5 % de chaleur et 95 % de lumière.
Source : Wikipédia.