| Authors(s) | Ehler, L.E. |
| Year | 1997 |
| Title | Obscure scale declines after parasitic wasp introduced. California Agriculture 51: 29-32. |
| Authors(s) | Ehler, L.E. |
| Year | 1997 |
| Title | Obscure scale declines after parasitic wasp introduced. California Agriculture 51: 29-32. |