“Zebra chip: the Columbia Basin experience in Oregon and Washington in 2011”
, 96th Annual Meeting of the Potato Association of America
. Potato Association of America, Denver, Colorado, p. 13, 2012.
“Zebra Chip: a new potato pest in the Columbia Basin of Oregon and Washington”
, 71st annual Pacific Northwest Insect Management Conference
. Pacific Northwest Insect Management Conference, Portland, Oregon, pp. 45-47, 2012.