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