| Authors(s) | Nielsen, D.G. and N.E. Johnson |
| Year | 1973 |
| Title | Contribution to the life history and dynamics of the pine needle scale, Phenacaspis pinifoliae, in Central New York. Annals of the Entomological Society of America 66: 34-43. |
| Authors(s) | Nielsen, D.G. and N.E. Johnson |
| Year | 1973 |
| Title | Contribution to the life history and dynamics of the pine needle scale, Phenacaspis pinifoliae, in Central New York. Annals of the Entomological Society of America 66: 34-43. |