A male western hercules beetle, Arizona. Meet Dynastes granti. This behemouth of an insect is North America's heaviest scarab beetle, found in the mountains of the American southwest where adults feed on the sap of ash trees. I photographed these spectacular insects a few years ago while living in Tucson. The impressive pronotal horn on the beetle pictured above indicates a male; females are considerably more modest in their armaments: Male and female hercules beetles As is so often the case in animals, males use their horns to fight each other for access to females, attempting to pry…
Chrysina lecontei, Arizona. Jewel scarabs emerge during Arizona's summer monsoon, and collectors from around the world descend on the region with their blacklights and mercury vapor lamps to attract the beetles. Chrysina lecontei is the smallest and rarest of the three Arizona species. Chrysina leconte, Arizona. photo details (both photos): Canon 100mm f2.8 macro lens on a Canon EOS 20D ISO 100, 1/250 sec, f/18, indirect strobe in white box
Strategus aloeus - Ox Beetles, female (left) and male Arizona, USA Impressive pronotal horns mark the male in these sexually dimorphic scarabs. Strategus aloeus is found in the southern United States from Florida to Arizona. photo details, top photo: Canon 100mm f2.8 macro lens on a Canon 20D f/9, 1/200sec, ISO 100, indirect strobe in a white box bottom photo: Canon 100mm f2.8 macro lens on a Canon 20D f/14, 1/200sec, ISO 200, indirect strobe in a white box