Sorry about how it came out above and you can go to the chicken treat section on the forum;
https://www.backyardchickens.com/web/viewblog.php?id=2593-Treats_Chart
Old fishermans trick is to wet a 12" section of lawn real good 2 pieces of bread layed down and a brick on it will bring up any worms. Dont ask it worked before and will for you too.
A thought, would you eat a wax worm? The foods that are good are natural soft foods.