Hi, Folks,
For years now, I've enjoyed dachtylorhizas in my garden. They've hybridized and seeded about, giving me an abundance I have shared with my rock garden chapter and several area nurseries. But this December, some critter developed a taste for dach tubers and has been digging them up, leaving buds and white roots strewn about.
My guesses are raccoon, eastern gray squirrel, rabbit, or rat. The digging is quite deep, even in mucky clay, so whatever is digging is good at it. 
My two silly dogs tell me there's something around, especially in the evening.
I set rat traps but had no takers. Has anyone had similar problems? Right now, the garden is covered with plastic fencing and nursery flats, protecting swaths of dachs that are still intact.
Thanks!
...Claire