It would slow it down by an imperceptible amount, and leave a squashed mark on the windscreen (windshield).
its dirty!!
the truck and the insect have the same amount of force....Newtons third law
negligible, immeasurable most likely
If you park your truck under trees it could well be sap hitting your truck (did it to my car). Just follow the instructions from the former poster to get this off. Marcy Sounds like bee guts (or other large insect) after it hits your truck while you are going at high speeds. A wax applied to your hood and bonnet (and elsewhere) would make it easier to remove.
There are no studies that show that music has an effect on insect behavior. Music does impact human behavior however.
Apex-Increased insect populations
The largest effect of a reduction in bird populations is the increase in insect populations. Insect populations grow if there are fewer birds around to eat them.
Whether the car hits the truck or the truck hits the car, it's going to be bad for the car.
the truck behind the other car
The most common insect sprays effect the nervous system of an insect, but there are others that have a different mode of action. As far as perfumes, I can't say.
Imperatoxin's effect on prey is that it immobilizes the prey. This allows for the insect to move in and kill the prey.
Entomotoxicity is the toxic effect of an insecticidal protein on the digestive system of an insect.