TheFork users who ate in Treviglio have said really good things about Le Terre Di Green More Green, Trentootto and Le Sorelle. Maybe you should give them a try!
Some of the more popular Seafood restaurants that offer vegetarian options on their menu in Treviglio according to TheFork users include:
Le Terre Di Green More Green, with a 9.4 rating
Trentootto, with a 9 rating
Le Sorelle, with a 8.2 rating