Brown Marmorated Stink Bug

Degree-day models for brown marmorated stink bug are used to predict overwintering emergence and timing of egg-lay. These maps use a simple degree-day calculation with a lower developmental threshold of (57.2°F) with April 15 biofix date modified from Michigan State University fact sheet:Managing Brown Marmorated Stink Bug in Michigan Orchards.

2019 current degree-days

2019 forecast degree-days