Treatise on injurious and beneficial insects to crops

Antzeko izenburuak

• Beneficial insects
  nork: Swan, L A
  Argitaratua: (1964)
• Treatise on injurious and beneficail insect & crops /
  nork: PackardA S
  Argitaratua: (1987)
• INSECTS: BENEFICIAL AND HARMFUL ASPECTS
  nork: AMBROSE, DUNSTON P
  Argitaratua: (2007)
• Beneficial insects : nature's alternatives to chemical insecticides:animal predation,parasitism,disease organisms /
  nork: Swan, Lester A.
  Argitaratua: (1964)
• Insects and mites of crops
  nork: Nair, M R G K
  Argitaratua: (1975)