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Who hasn't ever finished with their car's windshield, grille, headlights, and mirror caps riddled with hundreds of bugs crashing into them? Everybody.

It is a mere question of physics and nature: there are millions of insects and a car that crosses its path at full speed is an object impossible to avoid.

If at some point they came to perceive it.

However, the number of those who appear dead at the end of the trip seems to be decreasing.

And we say it seems, because

the so-called

windshield phenomenon

,

which is how this fact is known, arose from the subjective appreciation of motorists themselves.

And this was the one that aroused the interest of scientists because of the relationship it could have with the decrease in the number of insects.

Rare studies

The term had been used for years, but it

was from 2017 when it gained strength after the publication of a historical study by the Entomological Society of Krefeld (Germany).

They concluded that, in the last 40 years, the biomass of insects had been reduced by more than 75% in more than 100 nature reserves in Western Europe. It was one of the first great investigations

on the so-called non-charismatic insects, that is, those that do not attract the attention of the general population.

To this was added another

in 2019, made in Denmark for the period 1997-2017,

using car windshields as a control method.

Decreases of between 80% and 97%

were recorded

without the type of car being statistically significant.

As in another

British study

in which the number of impacts on license plates was measured,

noting a 50% decrease.

Route, time of day, time of year ...

Because, in addition to the smaller insect population, the researchers have also considered the effect that the aerodynamics of vehicles could have within a broader set of factors. Jason Weintraub, director of the entomology collection at the Academy of Natural Sciences at Drexel University, explains

what factors influence the number of insects that hit a windshield.

"It depends on the route

(if there are flying insect habitats on it),

the time of year

(there are less in winter),

atmospheric factors and the time of day

(at dusk there are more and at night they look for the light of the headlights, making it easier for them to crash into them.) There are "explosive combinations" of these elements, for example, when passing through the habitat of a species at the time of mating or migrations.

The effect of vehicle aerodynamics

But he also talks about the "type of vehicle and the speed at which it circulates." For example,

a slower-moving car causes insects to be trapped in the airflow or flying over the top of the car, rather than crashing into the glass.

Aerodynamics can also have a similar effect, suggests John Rawlins, chief of invertebrate zoology at the Carnegie Museum of Natural History.

Others do not think the same.

Scott Black,

director of the Portland, Oregon, Xerces Invertebrate Conservation Society, stated in the article

Were Have all the insects gone?

(Where Have All the Bugs Gone?) Published in

Science

in 2017 that, as a young man,

"I was driving a Ford Mustang Mach 1, with some aerodynamic lines, and it was always covered in insects."

And Martin Sorg, an entomologist with the Krefeld Entomological Society, reinforced that argument:

"I drive a Land Rover, with the aerodynamics of a refrigerator, and in summer it stays clean."

ALWAYS CLEAN GLASSES

90% of the information that reaches the driver is through sight, so dirty windows can reduce visibility by up to 30%.

Carglass, a leader in auto glass repair and replacement, offers tips and advice to avoid this.

Thus, the liquid tank of the cleaners must always be full, to use them frequently (never with the sun facing) and not to let the insects dry out and accumulate.

You can also apply an anti-rain treatment, which makes them stick less, And once you remove them, it is advisable to use warm soapy water to soften them, pressurized water to remove them.

According to the criteria of The Trust Project

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