nope!!!...
and you said you already used elector psp... on the birds and in their coop... so therefore you dont need to use the permethrin also.
follow directions for your elector psp...
read the first link i sent you, the elector psp is a one time treatment and does not have to be...
to me, they look more like lice.
This link may be helpful
https://the-chicken-chick.com/poultry-lice-and-mites-identification/
edit to add this https://www.backyardchickens.com/articles/mites-lice-and-fleas-dealing-with-external-parasites.74599/