Identifying characteristics

• Workers are all the same size, small, 1/8-inch long
• Dark brown to shiny black
• Petiole with 1 node, hidden by abdomen
• Thorax uneven in shape when viewed from side
• Very strong odor when crushed

Feed on both dead and living insects, favoring aphid and scale honeydew  In homes, forage primarily for sweets Travel in both wandering patterns and set trails Trails common along branches of trees, foundations, sidewalks, baseboards, and edges of carpets When disturbed, become erratic with their abdomens raised in the air Nest type and size Live in shallow nests in soil under stones, wood, or debris May nest in various habitats including wooded areas, beaches, wall voids, and around water pipes and heaters Large colonies, with up to 10,000 workers and many queens