This protocol describes three steps to prepare larval and adult Drosophila optic lobes for imaging: 1) brain dissections, 2) immunohistochemistry and 3) mounting. Emphasis is placed on step 3, as distinct mounting orientations are required to visualize specific optic lobe structures.
Arain, U., Valentino, P., Islam, I. M., Erclik, T. Dissection, Immunohistochemistry and Mounting of Larval and Adult Drosophila Brains for Optic Lobe Visualization. J. Vis. Exp. (170), e61273, doi:10.3791/61273 (2021).