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