Ain't Life Complicated

A fascinating study reported in "Science" this week refers to the issue of introducing a 'Gall Fly' which lays eggs in flower heads of an invasive weed, reducing seeds and spread of the weed, Fine! Now the researchers find that the Deer Mouse which is a reservoir for a number of zoonsies inimical to humans has enhanced ability to live through winter by feeding on the gall fly grubs.