● Catalina State Park, Tucson [Pima Co], AZ USA [el. 800 m / 2625 ft] view location in Google Maps » ● 11/02/10 9:45AM sunny, air temp: 24°C / 76°F Many leafcutter, like this Acromyrmex versicolor worker, have an extremely rough and spiny integument. This prickly 'armor' undoubtedly affords them some measure of protection from the vertebrate and invertebrate predators they may encounter. - Pogolumina - Pogonomyrmex Harvester Ants of North America