Stigmatomma pallipes worker with eggs and pupae. South Bristol, New York, USA
Inside the brood nest of the specialist centipede predator Stigmatomma oregonensis. Note the larvae feeding on a centipede carcass at left. Quincy, California, 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.