Strumigenys rogeri, an African species of miniature trap-jaw ant that has spread around the world with human commerce. Archbold Biological Station, Florida, USA
Strumigenys emmae has shorter mandibles than most other trap-jaw ants. Archbold Biological Station, Florida, USA
This South American trap-jaw ant species was accidentally imported to North America where it is now widespread- though not particularly conspicuous- in warmer regions. Brackenridge Field Laboratory, Austin, Texas, USA.
