Description: Camponotus chromaiodes (major worker), Red Carpenter Ant. Smithsonian Environmental Research Center, Edgewater, Anne Arundel County, South River Quad, MD - 06/17/17. Photo by Robert Aguilar, Smithsonian Environmental Research Center. Verified by John S. Ascher (BugGuide). Date: 5 September 2006, 21:01. Source: Camponotus chromaiodes_SERC_06-17_0105. Author: Smithsonian Environmental Research Center.