Fig. 6From: Comparative morphology of the postpharyngeal gland in the Philanthinae (Hymenoptera, Crabronidae) and the evolution of an antimicrobial brood protection mechanismHistological section of the mandibular gland (MG) of a female Cerceris quinquefasciata. The class III gland cells associated with the MG can be identified by their end apparatuses and conducting canals. Abbreviations: cc, conducting canals of class III gland cells; ep, epithelial cells of the MG reservoir; gc, class III gland cells; lu, lumen of the MG reservoir; nu, nuclei of class III gland cells. Scale bar = 25 μmBack to article page