Common firefly head, SEM

Numéro d’image : 12377920
Common firefly head, SEM
Scanning electron micrograph (SEM) of common firefly ventral body (Photinus pyralis). Also known as the Eastern, Common Eastern, or Big Dipper firefly. It is also called a lightning bug or beetle (family Lampyridae). The most commonly known fireflies are nocturnal. Shown here is the ventral view of the beetle with head, thorax, elytra and legs. Note the large compound eye and thorax shield that protrudes over the head. This beetle is named for its ability to flash its abdomen with a yellowish-green fluorescent colour. The firefly does this by using an enzyme (luciferase) to oxidize a chemical, called luciferin, in a chamber in its posterior abdominal segments. The firefly controls the flashes by regulating the amount of oxygen that enters the chamber. The flashes of light are used to attract mates. The production of light by an organism is known as bioluminescence. Magnification: x8 when shortest axis printed at 25 millimetres.
Licence : Droits gérés
Crédit: Science Photo Library / DENNIS KUNKEL MICROSCOPY
Taille de l’image : 3483 px × 2613 px
Model Release : Non requis
Property Release : Non requis
Restrictions : -

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