| 691 |
Cereal aphid in Southern Egypt: abundance and damage. Proc. First Scient. Conf |
1997 |
| 692 |
Cereal aphids in Upper Egypt, Abundance and damage |
1997 |
| 693 |
Cereal aphids in Upper Egypt, Abundance and damage |
1997 |
| 694 |
Cereal aphids in Upper Egypt, Abundance and damage |
1997 |
| 695 |
Factors affecting defence behaviour and venom collection from honeybee colonies by electrical impulses |
1997 |
| 696 |
Host preference of some aphid species in relation to viral infection. |
1997 |
| 697 |
Impact of predators and parasitoids on cereal aphids in Upper Egypt |
1997 |
| 698 |
Impact of predators and parasitoids on cereal aphids in Upper Egypt |
1997 |
| 699 |
Impact of predators and parasitoids on cereal aphids in Upper Egypt |
1997 |
| 700 |
Incidence of common pests infesting chamomile plants in Southern Egypt |
1997 |