A species of Burkholderia sp with no known pathogenicity to vertebrates but with pesticidal activity (e.g., plants, algae, arachnids, insects, fungi, weeds and nematodes) as well as methods for controlling algae using said species of Burkholderia. Also provided are natural products derived from a culture of said species and methods of controlling algae and/or arachnids using said natural products.
