SEM micrographs of two cocoon layers of Leptochilus regulus (de Saussure, 1855) 11 dissection of the outer layer with a part of the inner surface of the outer cell “partition” 12 the same layer from inside, close up 13 the inner layer (free part) from inside 14 the same, close up. Arrow indicates the cocoon on the dissection; figure parenthesis indicates the material of the “partition”.

  Part of: Fateryga AV, Fateryga VV (2021) A further study of the nesting biology of Leptochilus (Neoleptochilus) regulus (de Saussure, 1855) (Hymenoptera, Vespidae, Eumeninae). In: Proshchalykin MYu, Gokhman VE (Eds) Hymenoptera studies through space and time: A collection of papers dedicated to the 75th anniversary of Arkady S. Lelej. Journal of Hymenoptera Research 84: 75-86.