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Join Date: Feb 2006
Location: Westmoreland County/Cross Fork camp
Re: Lady bug infestation
I've had to deal with them up north at my place in Potter County -- in fact many people have and are still having problems with them.
I solved the problem ahead of time the past few years by spraying Ortho Home Defense around each door and window - and any other place they can get through - and they can squeeze through a paper-thin crack. Open the doors and windows and spray the inside frame, and all sides of the doors and windows. I have had them come in, but are dead six inches inside the door jams.
IF THEY ARE ALREADT INSIDE the camp, use a few cans of insect fogger, and it will kill them all if you use enough to handle the whole place - i.e. living/dining room; hallway - close enough to get the fog inside bedrooms. One thing I did learn is don't cover items with wool blankets - use sheets or plastic over kitchen areas. When they die from the fogger, they grab on with their legs, and it takes a long time to pick or brush the dead ladybugs off the fuzzy blankets.
I've seen very bad infestations in camps, homes and businesses. And yes - they were released (Penn State) to ward off the wolly adelgid aphids that attack the hemlocks. Aphids are the primary food source of lady bugs!
Good Luck. Fog to kill them, then use the Home Defense spray to keep the rest of them out. And next year, spray the place in September before they get ahead of you!