Of course, they are both cheynei so the resulting offspring can't be hybrids, it's not my opinion, you can't have a hybrid within a sub species. There are plenty of species that vary tremendously in length, colour and pattern throughout their range.
hy·brid
1.the offspring of two animals or plants of different breeds, varieties, species, or genera, esp. as produced through human manipulation for specific genetic characteristics.
I'd call different jungles different varieties. There's no way you'd get me breeding my Cape York 'cheynei' with any other type of 'cheynei'. To me, that would be creating hybrids. There's a post on what hybrids are in the help section.