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EENY317: Pine Sawflies, Neodiprion spp. (Insecta: Hymenoptera: Diprionidae)

Figure 14. Cocoons of the blackheaded pine sawfly, Neodiprion excitans Rohwer. Adults have emerged from pupal cases with the ends of the cases missing. Openings in the sides of cases indicate the emergence of a parasite.

Credit: Photograph by: Arnold T. Drooz, USDA Forest Service, www.forestryimages.org