Histology of the Larval Neodiprion abietis (Hymenoptera: Diprionidae) Digestive Tract

Figure 13

Longitudinal section (dorsal side up) of a N. abietis larva showing folds (arrows) in the epithelium at posterior end of the midgut (MG) and the hindgut showing the pylorus (Py), ileum (Im), and rectum (R). Malpighian tubules (MT) and salivary gland (SG) are visible in the hemocoel. Scale bar = 0.5 mm.