INTRODUCTION.  The pungent, "rotten-coconutlike" odor given off when this ant is crushed gives it its name.  It is a native species and is found throughout the United States.

RECOGNITION.  Workers monomorphic, about 1/16-1/8" (2.4-3.25 mm) long.  Body brown to black.  antenna 12-segmented, without a club.  Thorax lacks spines, profile unevenly rounded.  Pedicel 1-segmented, with small node/segment hidden/concealed from view from above by base of gaster.  Gaster with anal opening slitlike, lacking circlet of hairs.  Stinger absent.  Workers emit a disagreeable, rotten coconut odor when crushed.

HABITS.  Inside, these ants usually construct their nests in wall voids espeecially around hot water pipes and heaters, in crevices aound sinks, cupboards, etc.  These ants prefer sweets but also eat foods with high protein content and grease such as meats and cheese.
    Outside, they are often found in the nest of larger ants, in exposed soil, but mostly under objects.  Workers feed on insects, seek honeydew and plant secretions, and even feed on seeds.  They are extremely fond of honeydew and attend such honeydew-excreting insects as plantlice (aphids), scale insects, mealybugs, etc.  They are most likely to enter buildings when their honeydew supply is reduced such as during rainy weather or with left fall in the autumn.
    When workers are alarmed, they run around in an erratic manner with their gasters/abdomens raised up.

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