Jones H. D., Darlington J. P. E. C. and Newson R. M. (1990) A new species of land planarian preying on termites in Kenya (Platyhelminthes: Turbellaria: Tricladida: Terricola). Journal of Zoology 220, 249–256. doi:10.1111/j.1469-7998.1990.tb04306.x.
Kaaya G. P. and Okech M. A. (1990a) Microorganisms associated with tsetse in nature: Preliminary results on isolation, identification and pathogenicity. International Journal of Tropical Insect Science 11, 443–448. doi:10.1017/S1742758400012868.
Kaaya G. P. and Okech M. A. (1990b) Horizontal transmission of mycotic infection in adult tsetse, Glossina morsitans morsitans. Entomophaga 35, 589–600
Kaddu J. B. and Nyamori M. P. (1990) Nutrient broth for the cultivation of Leishmania. Journal of Parasitology 76, 265–266.
Khan Z. R. and Joshi R. C. (1990) Varietal resistance to Cnaphalocrocis medinalis (Guenée) in rice. Crop Protection 9, 243–251.
Khan Z. R. and Saxena R. C. (1990) Purification of Biotype I population of brown planthopper Nilaparvata lugens (Homoptera: Delphacidae). International Journal of Tropical Insect Science 11, 55-62. doi:10.1017/S1742758400019846
Kokwaro E.D., Nyindo M. and Chimtawi M. (1990) Ultrastructural changes in salivary glands of tsetse, Glossina morsitans morsitans, infected with virus and rickettsia-like organisms. Journal of Invertebrate Pathology 56, 337–346.
Kyorku C., Brightwell R. and Dransfield R.D. (1990) Traps and odour baits for the tsetse fly, Glossina longipennis (Diptera: Glossinidae). Bulletin of Entomological Research 80, 405–415. doi:10.1017/S0007485300050665.
Latif A.A., Maina J.N., Dhadialla T.S. and Nokoe S. (1990) Histological reactions to bites of Amblyomma variagatum and Rhipicephalus appendiculatus (Acari: Ixodidae) fed simultaneously on naive or sensitized rabbits. Journal of Medical Entomology 27, 316–323.
Lu Qing Guang and Oloo G. W. (1990) Host preference studies on Trichogramma sp. nr. mwanzai Schulten and Feijen (Hymenoptera: Trichogrammatidae) in Kenya. International Journal of Tropical Insect Science 11, 757–763. doi:10.1017/S1742758400021317
Majiwa P.A.O. and Otieno L. H. (1990) Recombinant DNA probes reveal simultaneous infection of tsetse flies with different trypanosome species. Molecular and Biochemical Parasitology 40, 245–253
Mihok S. and Otieno L. H. (1990) Trypanosome diversity in Lambwe Valley, Kenya. Sex or selection? Parasitology Today 6, 353
Mihok S., Otieno L. H. and Darji N. (1990) Population genetics of Trypanosoma brucei and the epidemiology of human sleeping sickness in the Lambwe Valley, Kenya. Parasitology 100, 219–233. doi:10.1017/S0031182000061229
Minja E. M. (1990) Management of Chilo spp. infesting cereals in Eastern Africa. International Journal of Tropical Insect Science 11, 489–499. doi:10.1017/S1742758400021068.
Mongi A.O. and Aganyo C. A. (1990) Rhipicephalus appendiculatus: Immunochemical isolation, identification and characterization of tick gut antigens recognized by IgGs derived from rabbits repeatedly infested with ticks. International Journal of Tropical Insect Science 11, 907–916. doi:10.1017/S1742758400010833.