This invasive tick is cloning itself. Rutgers DNA researchers are racing to contain it.
It's been months since an invasive, exotic species of tick was first spotted in the United States when it was found infesting sheep on a Hunterdon County farm. The new pest, named H. longicornis or the longhorned tick, captured headlines because of its tendency to infest livestock in the thousands and its ability to reproduce by essentially cloning itself. But much about the tick remains unknown.