FIGURE 4. Obtusitermes formosulus, n in A new species of Obtusitermes (Isoptera, Termitidae, Nasutitermitinae) from South America

FIGURE 4. Obtusitermes formosulus, n. sp. Worker digestive tube, major lighter worker with narrow gap mandibles: A–D, gut in situ respectively from dorsal, right, ventral and left view; E, paunch in dorsal-right lateral view, showing P2 insertion; F, paunch in dorsal-right lateral view with a small compartment, showing P2 insertion; G, mesenteric arc, gizzard and Malpighian tubules insertion; I, mesenteric tongue at internal-lateral face; H, junction midgut-hindgut enlarged to show the attachment of Malpighian tubules. C= crop; G= gizzard; M= mesenteron, stippled; P1= first proctodeal segment; P2= enteric valve; P3= paunch; P4= colon; P5= rectum; TM= Malpighian tubules.