The Gram-positive. spore-forming bacterium Paenibacillus larvae is the etiological agent of American Foulbrood. a highly contagious and often fatal honey bee brood disease. The species P. https://www.diegojavierfares.com/hot-price-Stories-of-Faith-and-Courage-from-the-Civil-War-Battlefields-Blessings-quick-deal/