FIGURES 15–20 in Sandsitermes gen. nov., a new nasute termite genus from South America (Isoptera, Termitidae, Nasutitermitinae)

FIGURES 15–20. Sandsitermes robustus gen. et comb. nov., type 1 worker, in situ gut, NHRS 0016: (15) dorsal, (16) right, (17) ventral, and (18) left views; (19) right view without mesenteron; (20) mixed segment and Malpighian tubules. C, crop; G, gizzard; M, mesenteron; P1, first proctodeal segment; P2, enteric valve; P3, paunch; P4, colon; P5, rectum. Scale bar 1 mm