BARABOO ? The southern faces of buildings and other warm areas will have even larger hordes of box elder insects crawling across them this fall due to an early spring followed by a hot and dry summer, experts say. ?Swarms of the bugs always come out this time of year, but the dry weather has them even more active,? said Ron Mack, owner of Premier Pest Elimination in Sauk City. UW-Madison entomologist Phil Pellitteri said 2012 has been one of the worst years for box elder bugs since 1988 when Wisconsin endured drought-like conditions during the spring and summer months.
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