Here is the full list of all 19 Webbed achievements.
Finish the main story without eating a single fly
Send the bird away
Reunite with your boyfriend
Dance with every species of bug
Roll a dung ball down the hill
Pull the spider-bot out of the rubble
Complete your sticker book
Eat every fly
Wear a helmet
Help Mike and Wendy cross the puddles
Weave 1000 webs
Earn your own skateboard
Find all the golden webs
Help all the baby spiders home
Travel 20 meters without landing on solid ground.
Bring all the pollen to the queen
Get a lift home from a bee
Recover all the ant larvae
Weave your first web