Where to Find and Catch Lumineon
From Pokemon Go Wiki
Lumineon are found and captured in Nest and Habitat locations.
Nests
Lumineon Nests are locations that consistently spawn Lumineon.
Habitats
Lumineon Habitats are spawn locations where Lumineon 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: