“Occurrence of the potato tuber moth, in the Columbia Basin of Oregon and Washington”
, in Integrated Pest Management for the Potato Tuber Moth, Phthorimaea operculella Zeller – a Potato Pest of Global Importance
, Weikersheim, Germany: Margraf Publishers, 2008, pp. 9-13.
“Overwintering of the potato psyllid in the Northwest on Solanum dulcamara”
, 12th Annual Zebra Chip Reporting Session
. Zebra Chip Reporting Session, San Antonio, Texas, pp. 58-63, 2013.