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

Figure 9

Posterior end of the foregut (left) showing the crop (Cr) and proventriculus (Pr) with its thick cuticle (C) and subtending epithelium (Ep) and the anterior end of the midgut (right) with a gastric caecum (GC) and peritrophic membrane (PM) being produced by cells of the cardia (arrows). Scale bar = 0.2 mm.