giant japanese hornets
Seem to be an inordinate amount of these giant japanese hornets in the Harrisburg area. What needs to be done to control them? They are increasing every year.
Dauphin County Pennsylvania hornets
Are you sure these are not the large cicada killers? see:
More on the Asian Hornets
If you can see where they are burrowing then you can place permethrin based powder to reduce their numbers.
Both of these insects are considered beneficial to a point. Asian Hornets can dismember honey bees if they are near, but few people keep bees in their back yards. Thanks, G.