Histology of the Larval Neodiprion abietis (Hymenoptera: Diprionidae) Digestive Tract
Figure 16
Longitudinal section (dorsal side up) of the posterior end of a N. abietis larva showing the muscular and chitin-lined hindgut (HG), which opens to the exterior through the anus (A). Anal setae are indicated by the arrows. Also visible are fat body (FB) and the exterior cuticle (C) of the larva. Scale bar = 0.2 mm.