Redheaded pine sawfly. Photo by: G. Keith Douce, University of Georgia, Bugwood.org.

Redheaded pine sawfly pupae (cocoons). Photo by: Lacy L. Hyche, Auburn University, Bugwood.org.

Redheaded pine sawfly eggs. Photo by: Lacy L. Hyche, Auburn University, Bugwood.org.

Redheaded pine sawfly female. Photo by: Lacy L. Hyche, Auburn University, Bugwood.org.

Cercropia larva. Caterpillar with 5 prolegs. Photo found at www.wormspit.com/cercropia

Cercropia larva. Picture focuses on the crochets found on the prolegs.

European pine sawfly. Photo by: Petr Kapitola, State Phytosanitary Administration, Bugwood.org.

European pine sawfly. Photo by: Steven Katovich, USDA Forest Service, Bugwood.org.

European pine sawfly eggs. Photo by: Andrea Battisti, Università di Padova, Bugwood.org.

European pine sawfly male. Photo by: Louis-Michel Nageleisen, Département de la Santé des Forêts, Bugwood.org.

European pine sawfly female. Photo by: Louis-Michel Nageleisen, Département de la Santé des Forêts, Bugwood.org.