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

Figure 14

Insertion point (arrow) of a Malpighian tubule (MT) at the posterior end of the midgut (MG) just anterior of the pylorus (Py). Note the layer of cuticle (arrowheads) lining the pylorus, which is typical of the hindgut. Scale bar = 0.1 mm.