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

Figure 2

Photomontage of a whole mount of the foregut (FG), midgut (MG), and hindgut (HG) of a balsam fir sawfly larva. The arrow on the left indicates the junction of the foregut and midgut and the arrow on the right indicates the junction of the midgut and hindgut, where the Malpighian tubules (to the right of the arrow) are inserted. Scale bar = 2 mm.