1978

Mortality attributable to Sirex noctilio

Zondag R

1977

Sirex noctilio Fabricius (Hymenoptera:Siricidae)

Zondag R, Nuttall MJ

1975

Introduction and establishment of Deladenus siricidicola Bedding, a nematode parasite of Sirex noctilio F. in New Zealand. Part E. The check for establishment of D. siricidicola and introductions in the 1972/73 season (unpubl.)

Zondag R

1975

Introduction and establishment of Deladenus siricidicola Bedding, a nematode parasite of Sirex noctilio F. in New Zealand. Part F. The check for establishment of D. siricidicola and introductions in the 1973/74 season (unpubl.)

Zondag R

1974

A non-sterilising strain of Deladenus siricidicola

Zondag R

1974

A study of the free-living phase of Deladenus, nematodes parasitic in woodwasps

Akhurst RJ

1974

A study of the free-living phase of Deladenus, nematodes parasitic in woodwasps

Akhurst RJ

M.S. thesis

1973

Introduction and establishment of Deladenus siricidicola Bedding, a nematode parasite of Sirex noctilio F. in New Zealand. Part A. The 1968 introduction and check on establishment after the 1967 trials (unpubl.)

Zondag R

1973

Introduction and establishment of Deladenus siricidicola Bedding, a nematode parasite of Sirex noctilio F. in New Zealand. Part B. The 1969 introduction and check on establishment in the 1969/70 season (unpubl.)

Zondag R