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

Figure 20

Anterior duct of larval N. abietis salivary gland showing the single layer of epithelial cells (Ep) and secretory products (S) in the central lumen. Gland cells (G) lie in the hemocoel adjacent to the duct and near fat body (FB). Scale bar = 0.1 mm.