BLACK AND WHITE MOVIE - "Underground Farmers" - 1939
Channel: Zom Bee Nature
Date: 2018-02-09

This is a Public Domain movie I got from Internet Archive 
Here is the info about it: 
Underground Farmers
by Walter O Gutlohn
Usage http://creativecommons.org/licenses/publicdomain/
Publisher Vam Beuren Production
Color b&w
Identifier underground_farmers
Sound sound 
or 
 Publisher Gutlohn, Walter O.
On ants. Closeups of ants in ant community.
Color color
Identifier 0968_Underground_Farmers_18_26_06_27
Sound sound
https://www.deepdyve.com/lp/wiley/motion-picture-reviews-enjKZR133N