File:Bioluminescent beetle Elateroidea - animated.gif
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[edit]DescriptionBioluminescent beetle Elateroidea - animated.gif |
English: Animated GIF of a bioluminescent beetle Elateroidea (Lampyridae Ototretinae Stenocladius or Rhagophthalmidae), moving on a leaf. This specimen measures about 20 mm (0.79 in). The species produces and emits light, via a chemical reaction during which chemical energy is converted into light energy. The principal chemical reaction in bioluminescence involves some light-emitting molecule and an enzyme, generally called the luciferin and the luciferase, respectively. Oxidation of organic compounds induces photon emission. The intensity of this light can be perceived by the human eye in a radius of 2 m (6.6 ft). At any time, the insect can also decrease the intensity or even completely stop emitting its light (example here). Bioluminescent beetle species are in regression in the World because of the phenomenon of light pollution, insecticides and climate change. This specimen comes from the island of Don Det, Si Phan Don, Laos, in a wild area far from any major city.
Français : Gif animé d'un coléoptère bioluminescent Elateroidea (Lampyridae Ototretinae Stenocladius ou Rhagophthalmidae), en mouvement sur une feuille de bananier. Le specimen mesure environ 20 mm (0.79 in). Cette espèce produit et émet de la lumière via une réaction chimique au cours de laquelle l'énergie chimique est convertie en énergie lumineuse. Le composé chimique à l'origine de cette bioluminescence est la luciférine. Celle-ci émet de la lumière en s'oxydant grâce à l'intervention de la luciférase, une enzyme. L'oxydation de composés organiques induit une émission de photons. L'intensité de cette lumière peut être perçue par l'oeil humain dans un rayon de 2 m (6.6 ft). A tout moment, l'insecte peut aussi diminuer l'intensité ou même totalement cesser d'émettre sa lumière (exemple ici). Une lampe d'appoint douce et diffuse a été apportée à proximité pour révéler les détails de l'animal. Les espèces bioluminescentes de coléoptères sont en voie de régression dans le Monde à cause du phénomène de pollution lumineuse, des insecticides et du dérèglement climatique. Ce specimen habite l'île de Don Det, Si Phan Don, au Laos, dans une région sauvage éloignée des grandes villes.
Čeština: Bioluminiscentní larva brouka z čeledi světluškovití leze po bánánovém listu. Larva je dlouhá přibližně 20 mm.
Эрзянь: Биолюминесцентной шунжа Elateroidea (Lampyridae Ototretinae Stenocladius эли Rhagophthalmidae), тесэ моли бананонь лопава. Онкстави 20 millimetres (0.79 in).
Polski: Bioluminescencyjna larwa chrząszcza z nadrodziny sprężyków poruszająca się po liściu bananowca. Larwa ma około 20 mm długości. |
Date | |
Source | Own work |
Author | Basile Morin |
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current | 10:57, 4 January 2021 | 945 × 630 (1.19 MB) | Basile Morin (talk | contribs) | Uploaded own work with UploadWizard |
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- Animal locomotion
- Light
- Commons:Photo challenge/2021 - January - Darkness
- Commons:Photo challenge/2021 - January - Darkness/Voting
- Commons:Photo challenge/2021 - January - Darkness/Voting/Result
- File:Bioluminescent beetle Elateroidea (video).webm
- File:Close-up view of a beetle Elateroidea.jpg
- File:Close-up view of a bioluminescent beetle Elateroidea.jpg
- File:Side view of a bioluminescent beetle Elateroidea.jpg
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