Ann. Soc. Ent. France
Describes the “ of Osmia longispina Perez, redescribes the ‘ . The cocoon is oval, subtruncated at one end , rounded at the other, the walls are very thin, reddish maroon, covered with a thick tomentum which is loose. He describes the nest from a block of $$$$ sent him by M. G. Seurat from d’Ain-Draham. This had a short burrow of 1 cm. and then 2 to 4 branches ## very short which ended in cells. These branches were all placed obliquely to the main burrow. The opening was plugged with mortar containing large grains of sand and diverse debris. The block of sandstone was 180 sq. cm. large (on one side) and contained 26 cocoons and 2 or 3 entrance galleries.
Buysson, R., "Sur Quelques Osmies de Tunisne" (1900). Bu. Paper 66.