Worker body is shiny, yellowish brown to dark brown. The very last segment of the antenna is large and elongate.
Nests usually are in secluded voids in wood, masonry, and household materials.
Colony. Swarms occur from July to October. Colonies contain several hundred to several thousand individuals. Winged forms emerge from July to October.
Habits. Indoor food includes meat, sweets, ripened fruit, oils, and dairy products. This ant prefers food with high protein content.