Chris L has 9 different subspecies of THH, or another way of putting it from different localities. They are all very slightly different, so they have evolved to be slightly different. It's similar to the North African spur complex issue, there are so many subspecies, that they can't classify them all, but they are subspecies of subspecies .
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Suze. 
3 THB, Sammy, Jemima, & Phoebe
7 Marginated, Tabitha, Ptolome, Tatiana, Noah,Lottey, Lulu & Poppy
1 TGG (Emma) RIP Feb 2012
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