Figure 23 from: Rocha MM, Constantini JP (2015) Internal ornamentation of the first proctodeal segment of the digestive tube of Syntermitinae (Isoptera, Termitidae). Deutsche Entomologische Zeitschrift 62(1): 29-44. https://doi.org/10.3897/dez.62.8550

Figure 23 - Syntermes molestus. (a) Schematic drawing of P1 showing arrangement of spines. (b–f) Photomicrographs: (b) General view of the region between the mesenteric tongues; (c) Detail of small spines in rows adjacent to the mesenteric tongue; (d) Detail of spines with strongly sclerotized base between the mesenteric tongues; (e) Detail of strongly sclerotized spines in the middle of the region between the mesenteric tongues; (f) Detail of the small spines in rows in the distal region