Beating the heat on living butterfly’s wings, A new study has determined the physiological importance of adequate temperatures for the functioning of butterfly wings and found that insects regulate their wing temperatures precisely through structural and behavioral adjustments.
Contrary to popular belief that butterfly wings consist primarily of lifeless membranes, a new study shows that they contain a network of living cells, whose functions require a limited temperature range for optimal performance. Beating the heat on living butterfly’s wings.
Because of its low heat capacity, wings can quickly overheat in the sun when butterflies stop flying and are too cold during flight in cold environments.
Butterfly wings are basically vector light detection fields that allow butterflies to quickly and accurately determine the intensity and direction of sunlight without using their eyes.
The Department of Biology and Organic Curator and Evolution for Butterflies at the Museum of Comparative Zoology at Harvard uses his experience in biology and optics to make a number of important discoveries. now beating the heat on living butterfly’s wings,
Carefully removing the wing scales so they could look into the wings and stain the neurons in the wings, they found that the butterfly’s wings were loaded with a network of temperature and mechanical sensors.
The living tissue in the wing is actively supplied by the circulatory and tracheal system throughout adult life – for female butterflies for more than three weeks.
They also found winged hearts beat dozens of times in one minute to allow direct flow of insect or hemolymph blood through the scent pad or androconial organs on the wings of several species of butterflies. Much research on butterfly wings has focused on the colors used to send signals between individuals, the researchers said.
This work shows that we must reconstruct the wings of a butterfly as a dynamic living structure and not as a relatively inert membrane.
The model observed on the wing can also be shaped in an important way by the need to modulate the temperature of the wing’s live parts.
The effect of regional and selective increases in heat radiation is evident in the team’s thermodynamic experiments on butterfly wings. Experimental conditions that simulate the natural environment of butterflies are created in research laboratories and allow researchers to determine the relative contribution of several environmental factors to wing temperature.
These include the intensity of sunlight, the temperature of the earth’s environment and the “cold” sky, which can serve as effective radiators for radiating heat from heated wings.
The team found that under all simulated environmental conditions, areas of butterfly wings containing living cells (wing veins and scent pads) were always cooler than the “lifeless” areas of the wings, regardless of the variety of colors and patterns seen. increased radiation cooling,
The nanostructures in the wings can stimulate the design of radiation-cooled materials to withstand excessive thermal conditions.
The researchers conducted a series of behavioral studies on living butterflies from six recognized butterfly families to investigate the response to simulated sunlight on the wings. The team found that insects with their wings view the direction and intensity of sunlight as the main source of heat or heat and respond with special behavior to prevent their wings from overheating or cooling.
For example, all species studied have a relatively constant release temperature of around 40 ° C, which rotates within a few seconds to avoid overheating the wings from the small bright spots that illuminate them.
Each butterfly wing is equipped with several dozen mechanical sensors that provide real-time feedback to enable complex flight patterns, the researchers said.
This is the inspiration for the wing design of the flying machine: Perhaps the wing design is not only based on consideration of flight dynamics, and the wing, which is designed as an integrated sensor-mechanical system, can enable the flying machine to work better in complex aerodynamic systems under conditions.