Bull. & Ann. de la Soc. Entom. de Belg.
He reviews the description of the nesting habits of this species by Ch. Ferton (1891 and 1911). Cros says that he is in complete accord with Ferton as to the description of the nests and cells and other details of nesting and that he will dwell no longer on those detail covered by Ferton.
Cros, Auguste, "Osmia Saundesi" (1927). Co. Paper 57.
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