The amount of invasive brown marmorated stink bugs in 2022 tops anything seen in Oregon for at least five years and poses a serious threat to Oregon crops and garden plants, according to Oregon State University Extension Service’s orchard crop specialist.
Nik Wiman, an associate professor in the College of Agricultural Sciences, said fruit and vegetable crops in the Willamette Valley have been affected.
“It’s unusual for brown marmorated stink bugs to feed on fruit and vegetable crops,” he said. “There has been a lot of damaging populations of BMSB in hazelnuts orchards. Growers use preventative measures so we’re surprised we’ve seen so many.”
It’s unclear why the population exploded this year, Wiman said. Like other insects, the population of the shield-shaped brown marmorated stink bug (BMSB) varies from year to year depending on climatic factors. The extremely wet spring most likely contributed to it, but the increase could also be attributed to a natural cycle.
Read More: Oregon State University
Brown marmolated stink bugs increased this year (Photo Credit: Oregon State University)