Yellow Fungus?

[Thornessa]

Hello!
Recently noticed a little yellow spot on Thorn’s head. Please refer to pictures!
Could this be yellow fungus?

Please let me know, anything helps.
Thanks!!

 

[Knight98]

What do u feed?

 

[Thornessa]

What do u feed?

Been feeding her a lot of green vegetables. She gets typically will get Dubias a few times a week (new diet from her vet because she is a little overweight)

 

[Knight98]

Ok so we can rule out this isn’t a cricket bite

 

[Knight98]

What diet has been advised?