Wanderley-Teixeira, V Histological description of the midgut and the pyloric valve of Tropidacris collaris (Stoll, 1813) (Orthopetera: Romaleidae). [electronic resource] - Brazilian journal of biology = Revista brasleira de biologia Nov 2006 - 1045-9 p. digital Publication Type: Journal Article ISSN: 1519-6984 Standard No.: 10.1590/s1519-69842006000600011 doi Subjects--Topical Terms: AnimalsGrasshoppers--anatomy & histologyMesentery--anatomy & histologyStomach--anatomy & histology