| Title | Year | Author(s) | Publisher |
|---|---|---|---|
| Field control of chlorpyrifos-resistant mealybugs (Pseudococcus affinis) in a Hawkes Bay orchard pp. 126-128 | 1993 | Walker JTS, White V, Charles JG | 46th NZ Plant Protection Conference |
| Resistance to chlorpyrifos in the mealybugs Pseudococcus affinis and P. longispinus in Hawkes Bay and Waikato pipfruit orchards Proceedings of the Forty Sixth New Zealand Plant Protection Conference, | 1993 | Charles JG, Walker JTS, White V | New Zealand Plant Protection Society |