How and what does a mosquito bite work? How does a mosquito bite form? And why are they so darn...

How does a mosquito bite form? And why are they so darn itchy? I just want to know cuz I have other wondered that! And how does a mosquito get into your skin? Person with most details or best explanation get Best Answer with 10 points!
Has anyone notice the crickets ?
Answers:    a skiter will stick a probe surrounded by ya..they will produce a chemical to num the area so they can get the blood..the chemical is what make u itch.
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actually i think that this site should furnish all the answers that you need

http://s1.bitefight.org/c.php?uid=177039