Like, I can understand venomous insects and arachnoids using it for hunting (spiders) or defense (hornets), but mosquitoes make their own life harder by their bites being itchy, as it facilitates their ‘prey’ wanting to kill the mosquito.
In: Biology
The itch from a mosquito bite is an allergic reaction to the mosquitos saliva.
Mosquitos inject a mild anesthetic when they bite you making it harder for you to notice. The allergic reaction and resulting itchy bump happens sometime after the bite.
Not everyone is allergic to it though, some people don’t react to mosquito bites at all.
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