what is the evolutionary reason for the itch of mosquito bites?

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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

3 Answers

Anonymous 0 Comments

Mosquitos don’t try to give you an itch, the itch is organism’s immune reaction to poison in the mosquito saliva. The actual poison effect prevents blood from clotting and blood vessels from constricting – that helps it continue drinking blood.

By the time the itch appears a mosquito is long gone so it has no effect on its survival whatsoever.

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