Yes, they can eat Oranges and nectarines.
However it's very important to make sure your turtle has a varied and balanced diet. They can't live off oranges and nectarines alone.
A fruit cocktail is considered a treat for a turtle, since fruits are sweet.
I have provided a website for you below, in the Related Links, that should help you.
it's not recomended that they eat citrus
box turtles eat dandelions
Snakes eat box turtles
go look in a book
Box turtles love tomatoes.
box turtles eat dandelions
Yes, box turtles can eat tomatoes, but it should not replace it's daily diet.
No.
no
Yes, turtles can eat box elder bugs. The question expands to whether or not they will. Insect-eating turtles in fact tend to avoid box elder bugs (Boisea trivittata) as unpleasant to eat or smell.
No
yes they can.