Expression profile of water-soluble proteinases during ontogenesis of Megachile rotundata: an electrophoretic investigation Antonio Felicioli, Elena Donadio, Ettore Balestreri, Giorgio Montagnoli, Romano Felicioli and Adriano PodestĂ Apidologie, 35 6 (2004) 595-604DOI: https://doi.org/10.1051/apido:2004064