Pathology of a Gammabaculovirus in Its Natural Balsam Fir Sawfly (Neodiprion abietis) Host

Figure 1

Whole mount of a healthy balsam fir sawfly larva midgut. The central region is opaque due to the presence of a food bolus within the gut. Fat body (FB) is present at the lower left. Photomicrograph. Scale bar = 1 mm.