A Decline in Stink BugsJanay Rickwalder
Wednesday, August 14, 2013
According to the
Roanoke Times, the number of stink bugs
is declining in many areas of the country. Populations of any
species fluctuate in nature and how many individuals survive to
breed can depend on multiple factors such as climate, availability
of food, and interaction with other species.
Eric Day from the Department of Entomology at Virginia Tech
suggests that this recent decline in stink bugs may be linked to
predatory wasps and birds. The high number of stink bugs could have
caught the attention of animals and other insects looking for a
Stink bugs are not native to the United States, so it may have
taken the predators several years to realize they are edible.
An increase in predation is a very common reason for population
decline and could be the cause of the lower numbers seen this