C. a. b. Dorsal and lateral view of larva, twice enlarged. Cocoons at left have been torn open, probably by birds; those at right show exit holes of Chalcid parasite. Natural size. IMPORTED PINE SAWFLY. |
C. a. b. Dorsal and lateral view of larva, twice enlarged. Cocoons at left have been torn open, probably by birds; those at right show exit holes of Chalcid parasite. Natural size. IMPORTED PINE SAWFLY. |