Where to Find and Catch Wurmple
From Pokemon Go Wiki
Wurmple are found and captured in Nest and Habitat locations.
Nests
Wurmple Nests are locations that consistently spawn Wurmple.
Habitats
Wurmple Habitats are spawn locations where Wurmple is likely to be encountered, but not guaranteed the way a Nest is.
Additional Tips and Information
Best Nests
If you know a really good nest or any of the nests above is really good, list them here: