Ants! (1977)

ABC
Directed by Robert Scheerer
My rating: 2 stars out of 4
IMDb
(DVD, Direct Source)

Construction workers unearth toxic ants near a hotel. After killing a couple of workers, they set their sights on the hotel patrons. Construction foreman Robert Foxworth manages to get most of them out. However, he is trapped with the hotel owner and her rivals who are attempting to buy her out. The are forced higher and higher into the hotel to escape the ants. In the end, they have to resort to meditation techniques and allow the ants to cover them while breathing through tubes! Entertaining in only the way 1970s TV movies can be.