A growing number of people in the region are reporting that their homes are being invaded by swarms of insects that look a lot like the common ladybug. They're actually a relative of the ladybug known as the multi-colored asian lady beetle. Their numbers have been growing in Minnesota recently and this time of year the beetles go into houses in search of a warm place to spend the winter. Jeff Hahn, an entomologist with the University of Minnesota Extension Service, talks with MPR News.