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.