Forget Snakes! Beware of the Tropical Bullet Ant California Academy of Sciences - California Academy of Sciences This presentation highlights the places and plants Dr. Darin Penneys (California Academy of Sciences) encountered during several collecting expeditions throughout the Americas and China.Dr. Penneys also discusses his research on the Princess Flower family (Melastomataceae), including their associations with ants, mites, bees, hummingbirds, and rodents.