HOW ANTS TURN INTO ZOMBIES

I'm curious as to whether the variant of Ophiocordyceps that makes the ants cling onto twigs instead of leaves will make its way back down south. It seems that the mutation would still be favorable in the winter, even in tropical climates.

As an aside, on Firefox the article's formatting is screwed up for me with the submitted link, but when I remove "amp?__twitter_impression=true" it appears normal.