Larvae of some myrmicine ants have bizarre anchor-shaped hairs that allow them to be hung from the ceiling and walls of the brood nest. Brackenridge Field Laboratory, Texas, USA.
Larvae of the Asian needle ant have special anchor structures on their backs that allow them to be hung from the ceiling of the brood chamber. Gatlinburg, Tennessee, USA.
Freshly-spun cocoons in an Asian needle ant brood nest. Trotter's Bluff, Tennessee, USA.