What part of a firefly s body glows? Which part of the firefly glows

The white row on the tail of a firefly is where it emits light, called a luminaire. Firefly eggs, larvae, pupae and adults can all emit light. The luminescence of firefly larvae is believed to have the effect of warning and intimidating predators, and adult insects are thought to use flash to identify, courtship and trap.

Normally, the male firefly emits a specific flash of light during flight through the air, and the female firefly sends a response signal, which allows the male firefly to spot and locate the female firefly. Both the duration and interval of female firefly flashes are species-specific, so species information, sex information, and location information can be provided to male fireflies. Fireflies spend the winter with mature larvae, come out in April of the following year, pupate in May, and become adults after about half a month, and the adults lay eggs in June, and the eggs become larvae again.

The light-emitting part of a firefly is a luminaire located on the tail.

The shape and size of the luminaire are usually the basis for the identification of firefly species, and the morphology of different firefly luminaires varies greatly. The male glow is generally 2 segments, the female glow is 1 3 segments, the difference is large, such as the aquatic firefly luciola substrata male glow 2 segments, the first section of the luminaire is located in the 5th abdominal segment, which is ribbon-shaped, the 2nd luminaire is located in the 6th abdominal segment, which is in the shape of "V", and the female firefly has only 1 luminous wax device, ribbon-shaped, located in the 5th abdominal segment.

The color of the light emitted by fireflies is determined by the structure of fluorescein in its body and the way in which luciferin interacts with luciferase. Most fireflies emit yellow-green fluorescent light, and the information contained in yellow-green light at night is easily picked up by fireflies of the same species. In signal transmission, yellow-green light minimizes loss and thus improves the efficiency of signal reception, i.e., the signal-to-noise ratio.

Problem 1: The part of the firefly that glows on the tail.

The luminaire on the tail of a firefly contains fluorescein, so it emits light.

Question 2: Where is the glowing device of a firefly located on its body? At the tail, fireflies contain fluorescein, and this fluorescein gene is put into plants, such as oleander, which can be used as a decoration and can be used as a lamp on both sides of the road at night.

Question 3: What is the luminous part of the firefly? ...... over there

Question 4: How do fireflies emit light The principle of fireflies is that there is a phosphorus-containing luminescent substance and a catalytic enzyme in the part of its luminaire. Fireflies will have some pores on the luminaire, and after the air is introduced into the pores, the luminescent matter will be oxidized by the catalyst of enzymes and oxygen.

And then through this mechanism, the light is emitted.

Fireflies emit light through this action. The light emitted in this way, because most of the energy is converted into light energy, and only a small part is converted into heat energy, so it is called cold light. Because the conversion of luminous quality and light energy is quite efficient, fireflies can emit light for a long time.

And the fireflies themselves can also be controlled into not performing such an effect to control the hair does not emit light.

And the structure of the luminaire also makes the glow of the fireflies brighter. The glowing apparatus of a firefly is made up of several layers of cells. There are light-emitting cells under **, and reflective cells under light-emitting cells, which can reflect the light emitted by light-emitting cells to make the light appear brighter.

1. 7-8 segments can be seen in the abdomen of fireflies, and there are phosphorus luminescent substances in the terminal 2 segments (male) or 1 segment (female), which can emit yellow-green cold light through the action of luminescent enzymes.

2. In the abdomen of fireflies there are thousands called photocells. These light-emitting cells contain two chemicals, fluorescein and fluorescent enzyme bonds. When oxygen enters the cell, it causes the two substances to undergo a chemical reaction to emit light.

3. The eggs, larvae, pupae and adults of fireflies can emit light. The luminescence of firefly larvae is believed to have the effect of warning and intimidating predators, and adults are thought to use Shiga Chimitsu for species identification, courtship and trapping.