Check out the post on "formication". posted by sydney on.    From Wordnik.com.  [Archive 2003-03-01] Reference

The early return of sensation, even if modified in acuteness, was always a very hopeful sign; also the production of formication in the area of distribution of the nerve on manipulation of the injured spot.    From Wordnik.com.  [Surgical Experiences in South Africa, 1899-1900 Being Mainly a Clinical Study of the Nature and Effects of Injuries Produced by Bullets of Small Calibre] Reference

No change except a deepening of the anæsthesia, and the development of formication on manipulation of the wound occurred, and at the end of three weeks the nerve was exposed (Mr. Watson), and it was found that.    From Wordnik.com.  [Surgical Experiences in South Africa, 1899-1900 Being Mainly a Clinical Study of the Nature and Effects of Injuries Produced by Bullets of Small Calibre] Reference

A fortnight later this pain still persisted; there was lowered sensation in the ulnar area with formication, also lowered sensation in the internal cutaneous area of distribution; sensation in the lesser internal cutaneous area was normal.    From Wordnik.com.  [Surgical Experiences in South Africa, 1899-1900 Being Mainly a Clinical Study of the Nature and Effects of Injuries Produced by Bullets of Small Calibre] Reference

When in a position allowing of direct examination, the contused portion of the nerve sometimes developed a palpable fusiform thickening, manipulation of which might give rise to formication in the area of distribution -- a favourable prognostic sign.    From Wordnik.com.  [Surgical Experiences in South Africa, 1899-1900 Being Mainly a Clinical Study of the Nature and Effects of Injuries Produced by Bullets of Small Calibre] Reference

The thighs begin to struggle, as if formication was going on in the muscles.    From Wordnik.com.  [The Delight Makers] Reference

The same author speaks of a gentleman under treatment for stricture who could not eat figs without experiencing the most unpleasant formication of the palate and fauces.    From Wordnik.com.  [Anomalies and Curiosities of Medicine] Reference

A woman of fifty-two, married but having no children, and of negative family history, six years before the time of report showed the first symptoms of the affection, which began with formication in the finger-tips.    From Wordnik.com.  [Anomalies and Curiosities of Medicine] Reference

I dozed until the ants found me out, when, unable to lie quiet under the formication, I got up and passed hours walking up and down till I was so tired that I almost fell asleep walking; then I lay down again and slept for an hour, but the cold and the ants awoke me again, and I spent the rest of the night by the camp-fire.    From Wordnik.com.  [The Autobiography of a Journalist]

“formication” which accompanies a stroke of paralysis.    From Wordnik.com.  [The Book of The Thousand Nights And A Night] Reference

` a tingling, "pins and needles" feeling '; formication ` the sensation of ants crawling on the skin.'.    From Wordnik.com.  [VERBATIM: The Language Quarterly Vol XI No 3] Reference

(jactitation, formication, twitching).    From Wordnik.com.  [Gilbertus Anglicus Medicine of the Thirteenth Century] Reference