Bicolored Trailing Ant

Monomorium floricola


Foraging Characteristics:  Tiny, elongate, slender ant.  Bicolored, black head and gaster with light brown thorax.  Forage in tight, slowly moving foraging trails. Much smaller than Pharaoh’s ant, but closely related and similar in shape and detailed characteristics.  Small size and striking coloration makes this ant easily distinguished from other ant species.

Detailed Description:  1.4-1.8 mm (1/18-1/14 in) long.  No clypeal teeth.  Gaster narrowed at base when seen from above. Two-segmented petiole, 12-segmented antennae with three segmented club.  Subfamily Myrmecinae.

Most Common Complaints:  Foragers inside house eating crumbs in kitchen and elsewhere.  Sometimes also seen outside on buildings.  Indoor nests controlled by baits.  Barrier sprays can keep foragers from entering structures through cracks or window screens.

Flight Season:  No flights, reproduction by budding only.  Queens never have wings.

Nest Sites & Characteristics:  Multiple queens.  Often nest in hollow twigs and branches or the dry stems of grasses and herbs as well as in small voids or cracks in homes.

Diet:  Living and dead insects. Tend sap-sucking insects, collecting honeydew.Visit flowers and extrafloral nectaries of plants.  Forage for protein and sweets in structures.

Distribution:  Brevard, Broward, Collier, Charlotte, Dade, Flagler, Glades, Hernando, Highlands, Marion, Martin, Monroe, Palm Beach, Pinellas, Putnam Sarasota, St. Lucie, and Volusia Counties.

Origin:  Old World tropics.