| 821 |
Evaluation of certain trapping systems for capturing the Mediterranean fruit fly Ceratitis capitata (Wiedemann) (Diptera-Tephritidae) in Assiut, Egypt |
1991 |
| 822 |
Field population trends of cereal aphids and their natural enemies on corn plants in Upper Egypt |
1991 |
| 823 |
Field population trends of cereal aphids and their natural enemies on corn plants in Upper Egypt |
1991 |
| 824 |
Foraging and pollen gathering of honeybee (Apis mellifera L.) and their relation to weather factors in Assiut region |
1991 |
| 825 |
Foraging and pollen gathering of honeybee (Apis mellifera L.) and their relation to weather factors in Assiut region |
1991 |
| 826 |
Foraging and pollen gathering of honeybee (Apis mellifera L.) and their relation to weather factors in Assiut region |
1991 |
| 827 |
Influence of temperature on the development of the common green lacewing, Chrysoperla carnea Stephens (Neuroptera: Chrysopidae) |
1991 |
| 828 |
Influence of temperature on the development of the common green lacewing, Chrysoperla carnea Stephens (Neuroptera: Chrysopidae) |
1991 |
| 829 |
Influence of temperature on the development of the common green lacewing, Chrysoperla carnea Stephens (Neuroptera: Chrysopidae) |
1991 |
| 830 |
Influence of weed control on sucking insect pests and natural enemies in a corn field |
1991 |