Cold winter temperatures limit the range of the redbanded stink bug, a soybean pest

Monday, November 14, 2022

10:30 AM – 10:42 AM PT

Location: Vancouver Convention Centre, Meeting Room 213

Presenting Author(s)

TP

Thomas G. Paul

Graduate Research Assistant
Mississippi State University
Mississippi State, Mississippi

Co-Author(s)

AC

Angus Catchot

Mississippi State University
Mississippi State, Mississippi
TT

Tyler Towles

Louisiana State University
Winnsboro, Louisiana
SW

Samuel F. Ward

Assistant Professor of Insect Ecology
Mississippi State University
Mississippi State, Mississippi

The non-native redbanded stink bug (RBSB), Piezodorus guildinii Westwood, was first detected in the southeastern United States in the 1960s, but was not widely regarded as an economically important pest of soybean until the early 2000s. Annual occurrences have since been reported as far north as Missouri. Drivers of interannual fluctuations in the distribution of RBSB populations are poorly understood, but such fluctuations may depend on the cold tolerance of overwintering RBSB. Using geospatial analyses of climate data and occurrences of RBSB, we developed a habitat suitability model and quantified expected winter survival of RBSB as a function of winter weather. We hope these efforts will improve our ability to predict the presence of RBSB populations and inform growers of potential high pressure from RBSB.