A dead branch of a live tree (a), inside of cell B (b), inside of cell A (c), wasp larva of cell B (d), wasp larva of cell A (e), prepupa of wasp in cell A (f), and cocoon of wasp in cell A (g).

 
 
  Part of: Ito M, Oshio T, Handa H, Watanabe K (2015) Sphecid wasp larvae feeding on large-sized cockroaches in a dead wood cavity. Journal of Hymenoptera Research 46: 173-177. https://doi.org/10.3897/JHR.46.5393