1. Foreword

   • Thomas R. Odhiambo

   EditorialNotes 01 June 1991 Pages: 1 - 1

2. Biological Control in the Tropics: Present Opportunities and Future Prospects

   • D. J. Greathead

   OriginalPaper 01 June 1991 Pages: 3 - 8

3. The Parasitic Hymenoptera and Biological Control of the African Ichneumonidae

   • Virendra K. Gupta

   OriginalPaper 01 June 1991 Pages: 9 - 18

4. Utilization of Natural Enemies for the Control of Insect Pests Of Sugar-Cane

   • A. I. Mohyuddin

   OriginalPaper 01 June 1991 Pages: 19 - 26

5. The Use of the African Wasp, Prorops Nasuta for the Control of the Coffee Berry Borer, Hypothenemus Hampei in Mexico and Ecuador: The Introduction Programme

   • S. T. Murphy
   • D. K. Rangi

   OriginalPaper 01 June 1991 Pages: 27 - 34

6. Natural Enemies of the Legume Pod Borer, Maruca Testulalis Geyer (Lepidoptera: Pyralidae) in Small Scale Farming Systems of Western Kenya

   • J. B. Okeyo-Owuor
   • G. W. Oloo
   • P. O. Agwaro

   OriginalPaper 01 June 1991 Pages: 35 - 42

7. Natural Enemies in the Control of Pests of Cassava, Manihot Esculenta Crantz

   • Ethel-Doris N. Umeh

   OriginalPaper 01 June 1991 Pages: 43 - 49

8. Management of Cereal Stem Borers, Especially Chilo Partellus, Using Microsporidia

   • M. O. Odindo

   OriginalPaper 01 June 1991 Pages: 51 - 55

9. Native Bacillus Thuringiensis Isolates for the Management of Lepidopteran Cereal Pests

   • Michael Brownbridge

   OriginalPaper 01 June 1991 Pages: 57 - 61

10. Potential of Some Fungal Pathogens for the Control of Pests in the Tropics

    • Nguya K. Maniania

    OriginalPaper 01 June 1991 Pages: 63 - 70

11. Evaluation of Juvenoid Insect Growth Regulators on Schistocerca Americana

    • William S. Bowers
    • Felix Ortego

    OriginalPaper 01 June 1991 Pages: 71 - 75

12. Effectiveness of Plant Oils Against Some Bostrychidae Infesting Cereals in Storage

    • R. Kumar
    • N. O. Okonronkwo

    OriginalPaper 01 June 1991 Pages: 77 - 85

13. Biological Methods of Bruchid Control in the Tropics: A Review

    • A. Van Huis

    OriginalPaper 01 June 1991 Pages: 87 - 102

14. The Potential of Neem Azadirachta Indica A. Juss. for Controlling Post-Flowering Pests of Cowpea, Vigna Unguiculata Walp—I. The Pod Borer, Maruca Testulalis

    • L. E. N. Jackai
    • I. O. Oyediran

    OriginalPaper 01 June 1991 Pages: 103 - 109

15. Application of Insecticides on Cotton in Zambia: Comparison of Application Techniques

    • I. Javaid

    OriginalPaper 01 June 1991 Pages: 111 - 125

16. Application of Insecticides on Cotton in Zambia: Electrodyn Swath Rows

    • I. Javaid

    OriginalPaper 01 June 1991 Pages: 127 - 137

17. The Economic Impact of Cattle Tick Control in Central Africa

    • R. G. Pegram
    • A. D. James
    • H. G. B. Chizyuka

    OriginalPaper 01 June 1991 Pages: 139 - 146

18. Genetic Expression of the Spotted Stem Borer, Chilo Partellus (Swinhoe) Resistance in Three Maize Crosses

    • R. S. Pathak

    OriginalPaper 01 June 1991 Pages: 147 - 151

19. Relating Incidence of Icerya Pattersoni Newst (Homoptera: Margorodidae) to Characteristics of Veins of Coffee Leaves

    • F. M. E. Wanjala
    • M. W. Kinuthia

    OriginalPaper 01 June 1991 Pages: 153 - 157

20. Levels of Resistance to the Maize Weevil, Sitophilus Zeamais (Motsch.) in Exotic, Local Open-Pollinated and Hybrid Maize Germplasm

    • D. P. Giga
    • U. W. Mazarura

    OriginalPaper 01 June 1991 Pages: 159 - 169

21. Anatomical Parameters of Cowpea, Vigna Unguiculata (L.) Walp. Stem And Pod Wall Resistance To The Legume Pod Borer Maruca Testulalis Geyer (Lepidoptera: Pyralidae)

    • S. Oghiakhe
    • L. E. N. Jackai
    • W. A. Makanjuola

    OriginalPaper 01 June 1991 Pages: 171 - 176

22. Effects of Intercropping Groundnut with Sunnhemp on Termite Incidence and Damage in India

    • C. S. Gold
    • J. A. Wightman

    OriginalPaper 01 June 1991 Pages: 177 - 182

23. Evaluating Sorghum Genotypes for Multiple Insect Resistance

    • K. F. Nwanze
    • Y. V. R. Reddy
    • B. L. Agrawal

    OriginalPaper 01 June 1991 Pages: 183 - 188

24. Effect of Soybean Hosts on the Development of the Soybean Hairy Caterpillar, spilarctia Casignata Koll. (Lepidoptera: Arctiidae)

    • Fanindra P. Neupane

    OriginalPaper 01 June 1991 Pages: 189 - 192

25. Cowpea Plant Architecture in Relation to Infestation and Damage by the Legume Pod Borer, maruca Testulalis Geyer (Lepidoptera: Pyralidae)—I. Effect of Canopy Structure and Pod Position

    • S. Oghiakhe
    • L. E. N. Jackai
    • W. A. Makanjuola

    OriginalPaper 01 June 1991 Pages: 193 - 199

26. Niche Breadth and Feeding in Tropical Grasshoppers

    • Le Gall Philippe

    OriginalPaper 01 June 1991 Pages: 201 - 208

27. Cob Borer Mussidia Nigrivenella (Lepidoptera; Pyralidae) of Maize in Ivory Coast. I — Morphological and Biological Data

    • P. Moyal
    • M. Tran

    OriginalPaper 01 June 1991 Pages: 209 - 214

28. Cob Borer Mussidia Nigrivenella Ragonot (Lepidoptera: Pyralidae) of Maize in Ivory Coast. II — Ecological Data

    • P. Moyal
    • M. Tran

    OriginalPaper 01 June 1991 Pages: 215 - 223

29. Spatial and Temporal Genetic Variation in Populations of the Whitefly Bemisia Tabaci (Genn.) in Israel and Colombia: An Interim Report

    • David Wool
    • Dan Gerling
    • Barry Nolt

    OriginalPaper 01 June 1991 Pages: 225 - 230

30. The Pest Status of zonocerus Elegans (Thunberg) (Orthoptera: Acridoidea) in Kilosa District in Tanzania with Some Suggestions on Control Strategies

    • Brigitte T. Nyambo

    OriginalPaper 01 June 1991 Pages: 231 - 236

31. Some New Observations on Cicadulina Leafhoppers Taxonomic Structures

    • Z. T. Dabrowski
    • P. S. Cwikla

    OriginalPaper 01 June 1991 Pages: 237 - 247

32. First Regular Observations on Leafhoppers, Cicadulina spp., Vectors of Maize Streak Virus (MSV) In Southeastern Nigeria

    • Z. T. Dabrowski
    • F. Nwilene
    • R. Kumar

    OriginalPaper 01 June 1991 Pages: 249 - 261

33. A Study on the Occurrence Tendency of Tryporyza Incertulas by Grey Prediction

    • Zheng-Xiang Ye
    • Ri-Zhi Li

    OriginalPaper 01 June 1991 Pages: 263 - 267

34. Determination of Economic Injury Level of the Stem Borer, Chilo Partellus (Swinhoe) in Maize, Zea Mays L.

    • K. V. Seshu Reddy
    • K. O. S. Sum

    OriginalPaper 01 June 1991 Pages: 269 - 274

35. Electrophoretic Study of Enzymes from Sogatella Furcifera Horvath Population from Sri Lanka

    • G. F. Rajendram

    OriginalPaper 01 June 1991 Pages: 275 - 278

36. Adipokinetic Hormones and Lipoprotein Interconversions During Locust Flight

    • A. M. Th. Beenakkers

    OriginalPaper 01 June 1991 Pages: 279 - 286

37. The Role of Olfaction in Host-Seeking of Mosquitoes: A Review

    • Willem Takken

    OriginalPaper 01 June 1991 Pages: 287 - 295

38. Effects of Mulches on Foraging Behaviour of Microtermes Obesi and Odontotermes spp. in India

    • C. S. Gold
    • J. A. Wightman
    • M. P. Pimbert

    OriginalPaper 01 June 1991 Pages: 297 - 303

39. Training in Entomology for Middle-Level Technicians at the CILSS Regional Crop Protection Training Centre in Niger

    • Sankung B. Sagnia

    OriginalPaper 01 June 1991 Pages: 305 - 309

40. Plenary Lecture: Summing Up

    • K. M. Harris

    OriginalPaper 01 June 1991 Pages: 311 - 312