Diapausing and nondiapausing adults of the southern green stink bug, N
ezara viridula (L.), had supercooling points in the range from - 10.4
to - 11.7-degrees-C. Lethal exposure times of adult stink bug are give
n for - 5.0, - 7.5, and - 10.0-degrees-C. No difference in cold tolera
nce was found between diapausing and nondiapausing stink bugs. Overwin
tering survival of confined adults at Charleston, SC, was high or 0 de
pending on severity of low temperatures.