Doesn't sound too promising, Karen.
from www.doyourownpestcontrol.com

..."After spending the winter months tucked away in a wall void or other secluded place, they have simply forgotten how they got in. When they become active in the late winter, lady bugs often find themselves inside the home rather than outside. At this time ladybugs are merely looking for a way to escape to the out-of-doors.
This reawakening may take place over several weeks, depending on temperatures and the size of the population.

Once ladybugs have become established in the home, there aren't a lot of treatment options.
There are not a lot of recommended chemical measures at this point. The easiest way to remove ladybugs, once they are indoors, is with a vacuum cleaner."

This site lists some chemical treatments:
ladybugs

And here's one that claims to have the secrets the experts don't want you to know!
stop lady bugs