Figures 8-10 from: 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. https://doi.org/10.3897/jhr.84.66652

Figures 8-10 Nests of Leptochilus regulus (de Saussure, 1855) 8 part of the nest of female A (two cells provisioned with anobiid larvae and the closing plug) 9 part of the nest of female B (two cells with cocoons of Chrysis ragusae De Stefani, 1888 and the closing plug) 10 part of the nest collected in 2010 (four cells with prepupae in cocoons). Scale bars 1 cm; arrows indicate a small amount of bonded soil in the closing plugs.