So while it's good that she is here, her presence may indicate a serious problem....
Ugh! Flickr is STILL having problems and I can't copy the links for the collages I made. Here is one photo just for show and tell.
Genus Megarhyssa - Giant Ichneumons - BugGuide.Net
Species Tremex columba - Pigeon Tremex - BugGuide.NetM. atrata: Nova Scotia south to Georgia; west to Wyoming and Texas
The larvae of M. atrata, M. greenei, and M. macrurus are parasitoids of grubs of the horntail Tremex columba.
ADW: Megarhyssa atrata: INFORMATIONFood
hosts include beech, elm, hickory, maple, oak, poplar, apple, pear, sycamore, and hackberry(2)
Females lay eggs in diseased, decaying or cut wood.