United States Department of Agriculture
AgResearch Magazine
Rio Grande River near McAllen, Texas. ARS scientists are reducing the amount of giant reeds growing along the border of the river. (John Goolsby, D3659-1)
An arundo gall wasp deposits eggs into the main stem of a giant reed. (John Goolsby, D3660-1)
A gall wasp larva (bottom) chews its way through the cross section of an Arundo donax stem. (John Goolsby, D824-1)
