What's the spray supposed to do?
@SourGrape4u is right there might be a problem with the arm...behpginning of MBD. Tongue issues are also symptoms of MBD.
What specific supplements do you use and how often for each? D3 in them? Calcium, phos, vitamin A (preformed or prOformed) in them?
What do you feed/gutload the insects with?
What specific UVB light do you use?