FIGURE 23. P1 in Comparative anatomy of the gut of the South American species of Amitermes, with description of two new species and an identification key based on soldiers and workers

FIGURE 23. P1 ornaments details: Amitermes foreli, spines around mesenteric tongue (A); A. lunae, spines at the proximal portion (B); A. bandeirai, spines at the proximal portion (C) and spines after the mesenteric tongue (D); and A. lilloi, spines at the proximal portion (E); MT: mesenteric tongue position.