Scanning electron micrograph (SEM) of Mexican ant (Pseudomyrmex gracilis mexicanus). Pseudomyrmex gracilis (also known as Pseudomyrmex gracilis mexicanus) is called the elongate twig ant or Mexican ant in the family Formicidae. It is a large, slender species native to Mexico. The workers have are wasp-like in appearance and movement. They can be found on all types of vegetation where they forage for live insects or collect honeydew from sap-sucking insects. This outdoor ant will often sting to defend the plants or insects it is tending. Magnification: x7 when shortest axis printed at 25 millimetres.
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