This word is acceptable for play in the UK dictionary that is being used in the following games:

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v. To move like ants.

v. To have a sensation like the movement of ants.

adj. Resembling, or pertaining to, an ant or ants.

verb-intransitive. To creep or crawl like ants; swarm with, or as with, ants.

Of, pertaining to, or resembling an ant or ants. Also formicine.

To swarm (in the manner of ants).

v. crawl about like ants

"Instead of letting me watch two people formicate, the whole thing looks like one of those propaganda videos of "successful" missions in Iraq that the Pentagon is always showing."

formicates   

creep    crawl