Crematogaster coarctata (pp 30 & 31) are called Acrobat Ants because they can lift their abdomen almost vertically when disturbed. Page 30 shows an Acrobat Ant on the blossom of a Holly-Leaf Cherry (Prunus ilicifolia), grasping a stamen. [Trail 12 from Mapache Gate, close to Westridge Creek, 5/13/2011]

The long spines distinguish it from a Winter Ant (Prenolepis imparis).