All three maps have permanent Stalker Beetle Cocoons spawn locations.
Note: This awesome maps were created by BytchiyTsepen & Deezypuff.
Intro
You can see what the cocoon looks like in the screenshot below.
Stalker Beetle Cocoons:
Map Legend:
Stillwater Bayou Map
Click to enlarge…
Lawson Delta Map
DeSalle Map
Also there is a random spawn point at the southern part of First Testimonial Church on the back of one of the graves.
There is a random spawn point on a wall at healing waters church too
Thanks, mate!