Note: I watched it for about 30 minutes. Each time it stopped to groom, it appeared to groom each part in the exact same order. The following is a link to detailed documentation of Roach grooming apparently done in 1913. definitely one of a kind. Roach is approximately 1 inch in length.
http://psyche.entclub.org/92/92-369.html
Thanks, I got to use this for bio lab homework!
TwiggehLeaf 11 months ago