ENTOMOLOGY & VECTOR BORNE DISEASE
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Selected Publications:

Linthicum, K. J., F. G. Davies, A. Kairo, and C. L. Bailey. 1985. Rift Valley fever virus (family Bunyaviridae, genus Phlebovirus). Isolations from Diptera collected during an inter-epizootic period in Kenya. J Hyg (Lond) 95: 197-209.

Beier, J. C., P. V. Perkins, R. A. Wirtz, R. E. Whitmire, M. Mugambi, and W. T. Hockmeyer. 1987. Field evaluation of an enzyme-linked immunosorbent assay (ELISA) for Plasmodium falciparum sporozoite detection in anopheline mosquitoes from Kenya. Am J Trop Med Hyg 36: 459-68.

Gargan, T. P., 2nd, P. G. Jupp, and R. J. Novak. 1988. Panveld oviposition sites of floodwater Aedes mosquitoes and attempts to detect transovarial transmission of Rift Valley fever virus in South Africa. Med Vet Entomol 2: 231-6.

Linthicum, K. J., C. L. Bailey, F. G. Davies, A. Kairo, and T. M. Logan. 1988. The horizontal distribution of Aedes pupae and their subsequent adults within a flooded dambo in Kenya: implications for Rift Valley fever virus control. J Am Mosq Control Assoc 4: 551-4.

Gargan, T. P., 2nd, C. W. Kamau, P. C. Thande, and J. N. Wagateh. 1989. Gynandromorph of Aedes mcintoshi from central Kenya. J Am Mosq Control Assoc 5: 599-600.

Linthicum, K. J., T. M. Logan, P. C. Thande, J. N. Wagateh, C. W. Kamau, C. L. Bailey, F. G. Davies, and J. P. Kondig. 1989. Efficacy of a sustained-release methoprene formulation on potential vectors of Rift Valley fever virus in field studies in Kenya. J Am Mosq Control Assoc 5: 603-5.

Beier, J. C., P. V. Perkins, J. K. Koros, F. K. Onyango, T. P. Gargan, R. A. Wirtz, D. K. Koech, and C. R. Roberts. 1990. Malaria sporozoite detection by dissection and ELISA to assess infectivity of afrotropical Anopheles (Diptera: Culicidae). J Med Entomol 27: 377-84.

Beier, J. C., P. V. Perkins, F. K. Onyango, T. P. Gargan, C. N. Oster, R. E. Whitmire, D. K. Koech, and C. R. Roberts. 1990. Characterization of malaria transmission by Anopheles (Diptera: Culicidae) in western Kenya in preparation for malaria vaccine trials. J Med Entomol 27: 570-7.

Linthicum, K. J., C. L. Bailey, C. J. Tucker, K. D. Mitchell, T. M. Logan, F. G. Davies, C. W. Kamau, P. C. Thande, and J. N. Wagateh. 1990. Application of polar-orbiting, meteorological satellite data to detect flooding of Rift Valley Fever virus vector mosquito habitats in Kenya. Med Vet Entomol 4: 433-8.

Logan, T. M., K. J. Linthicum, J. N. Wagateh, P. C. Thande, C. W. Kamau, and C. R. Roberts. 1990. Pretreatment of floodwater Aedes habitats (dambos) in Kenya with a sustained-release formulation of methoprene. J Am Mosq Control Assoc 6: 736-8.

Beier, J. C., F. K. Onyango, J. K. Koros, M. Ramadhan, R. Ogwang, R. A. Wirtz, D. K. Koech, and C. R. Roberts. 1991. Quantitation of malaria sporozoites transmitted in vitro during salivation by wild Afrotropical Anopheles. Med Vet Entomol 5: 71-9.

Beier, J. C., F. K. Onyango, M. Ramadhan, J. K. Koros, C. M. Asiago, R. A. Wirtz, D. K. Koech, and C. R. Roberts. 1991. Quantitation of malaria sporozoites in the salivary glands of wild Afrotropical Anopheles. Med Vet Entomol 5: 63-70.

Lawyer, P. G., Y. B. Mebrahtu, P. M. Ngumbi, P. Mwanyumba, J. Mbugua, G. Kiilu, D. Kipkoech, J. Nzovu, and C. O. Anjili. 1991. Phlebotomus guggisbergi (Diptera: Psychodidae), a vector of Leishmania tropica in Kenya. Am J Trop Med Hyg 44: 290-8.

Lawyer, P. G., E. D. Rowton, P. V. Perkins, R. N. Johnson, and D. G. Young. 1991. Recent advances in laboratory mass rearing of phlebotomine sand flies. Parassitologia 33 Suppl: 361-4.

Logan, T. M., K. J. Linthicum, F. G. Davies, Y. S. Binepal, and C. R. Roberts. 1991. Isolation of Rift Valley fever virus from mosquitoes (Diptera: Culicidae) collected during an outbreak in domestic animals in Kenya. J Med Entomol 28: 293-5.

Logan, T. M., K. J. Linthicum, P. C. Thande, J. N. Wagateh, G. O. Nelson, and C. R. Roberts. 1991. Egg hatching of Aedes mosquitoes during successive floodings in a Rift Valley fever endemic area in Kenya. J Am Mosq Control Assoc 7: 109-12.

Logan, T. M., K. J. Linthicum, P. C. Thande, J. N. Wagateh, and C. R. Roberts. 1991. Mosquito species collected from a marsh in western Kenya during the long rains. J Am Mosq Control Assoc 7: 395-9.

Logan, T. M., F. G. Davies, K. J. Linthicum, and T. G. Ksiazek. 1992. Rift Valley fever antibody in human sera collected after an outbreak in domestic animals in Kenya. Trans R Soc Trop Med Hyg 86: 202-3.

Ngumbi, P. M., P. G. Lawyer, R. N. Johnson, G. Kiilu, and C. Asiago. 1992. Identification of phlebotomine sandfly bloodmeals from Baringo District, Kenya, by direct enzyme-linked immunosorbent assay (ELISA). Med Vet Entomol 6: 385-8.

Johnson, R. N., P. M. Ngumbi, L. L. Robert, C. O. Anjili, R. Killick-Kendrick, and S. E. Meredith. 1993. Phlebotomine sandflies of Kenya (Diptera: Psychodidae). II. Phlebotomus aculeatus as a probable vector of Leishmania tropica s.l. Ann Trop Med Parasitol 87: 541-3.

Killick-Kendrick, R., M. Killick-Kendrick, Y. Tang, D. K. Sang, R. N. Johnson, and P. M. Ngumbi. 1993. Phlebotomine sandflies of Kenya (Diptera: Psychodidae). I. The validity of Phlebotomus (Larroussius) elgonensis Ngoka, Madel and Mutinga. Ann Trop Med Parasitol 87: 207-15.

Whittle, R. K., K. J. Linthicum, P. C. Thande, J. N. Wagati, C. M. Kamau, and C. R. Roberts. 1993. Effect of controlled burning on survival of floodwater Aedes eggs in Kenya. J Am Mosq Control Assoc 9: 72-7.

Beier, J. C., C. N. Oster, F. K. Onyango, J. D. Bales, J. A. Sherwood, P. V. Perkins, D. K. Chumo, D. V. Koech, R. E. Whitmire, C. R. Roberts, and et al. 1994. Plasmodium falciparum incidence relative to entomologic inoculation rates at a site proposed for testing malaria vaccines in western Kenya. Am J Trop Med Hyg 50: 529-36.

Killick-Kendrick, R., Y. Tang, M. Killick-Kendrick, R. N. Johnson, P. M. Ngumbi, D. K. Sang, and P. G. Lawyer. 1994. Phlebotomine sandflies of Kenya (Diptera: Psychodidae). III. The identification and distribution of species of the subgenus Larroussius. Ann Trop Med Parasitol 88: 183-96.

Robert, L. L., K. U. Schaefer, and R. N. Johnson. 1994. Phlebotomine sandflies associated with households of human visceral leishmaniasis cases in Baringo District, Kenya. Ann Trop Med Parasitol 88: 649-57.

Walker, T. W., L. L. Robert, R. A. Copeland, A. K. Githeko, R. A. Wirtz, J. I. Githure, and T. A. Klein. 1996. Field evaluation of arthropod repellents, deet and a piperidine compound, AI3-37220, against Anopheles funestus and Anopheles arabiensis in western Kenya. J Am Mosq Control Assoc 12: 172-6.

Killick-Kendrick, R., Y. Tang, R. N. Johnson, P. M. Ngumbi, and L. L. Robert. 1997. Phlebotomine sandflies of Kenya (Diptera: Psychodidae). V. Phlebotomus (Paraphlebotomus) mireillae n.sp. Ann Trop Med Parasitol 91: 417-28.

Johnson, R. N., P. G. Lawyer, P. M. Ngumbi, Y. B. Mebrahtu, J. P. Mwanyumba, N. C. Mosonik, S. J. Makasa, J. I. Githure, and C. R. Roberts. 1999. Phlebotomine sand fly (Diptera: Psychodidae) seasonal distribution and infection rates in a defined focus of Leishmania tropica. Am J Trop Med Hyg 60: 854-8.

Linthicum, K. J., A. Anyamba, C. J. Tucker, P. W. Kelley, M. F. Myers, and C. J. Peters. 1999. Climate and Satellite Indicators to Forecast Rift Valley Fever Epidemics in Kenya. Science 285: 397-400.

Jupp, P. G., A. A. Grobbelaar, P. A. Leman, A. Kemp, R. F. Dunton, T. R. Burkot, T. G. Ksiazek, and R. Swanepoel. 2000. Experimental detection of Rift Valley fever virus by reverse transcription-polymerase chain reaction assay in large samples of mosquitoes. J Med Entomol 37: 467-71.

Murphy, M. W., R. F. Dunton, M. J. Perich, and W. A. Rowley. 2001. Attraction of Anopheles (Diptera: culicidae) to volatile chemicals in Western Kenya. J Med Entomol 38: 242-4.

Ryan, J. R., K. Dav, E. Emmerich, L. Garcia, L. Yi, R. E. Coleman, J. Sattabongkot, R. F. Dunton, A. S. Chan, and R. A. Wirtz. 2001. Dipsticks for rapid detection of plasmodium in vectoring anopheles mosquitoes. Med Vet Entomol 15: 225-30.

Ryan, J. R., K. Dave, K. M. Collins, L. Hochberg, J. Sattabongkot, R. E. Coleman, R. F. Dunton, M. J. Bangs, C. M. Mbogo, R. D. Cooper, G. B. Schoeler, Y. Rubio-Palis, M. Magris, L. I. Romer, N. Padilla, I. A. Quakyi, J. Bigoga, R. G. Leke, O. Akinpelu, B. Evans, M. Walsey, P. Patterson, R. A. Wirtz, and A. S. Chan. 2002. Extensive multiple test centre evaluation of the VecTest malaria antigen panel assay. Med Vet Entomol 16: 321-7.

Luckhart, S., K. Li, R. Dunton, E. E. Lewis, A. L. Crampton, J. R. Ryan, and R. Rosenberg. 2003. Anopheles gambiae immune gene variants associated with natural Plasmodium infection. Mol Biochem Parasitol 128: 83-6.

Macaluso, K. R., J. Davis, U. Alam, A. Korman, J. S. Rutherford, R. Rosenberg, and A. F. Azad. 2003. Spotted fever group rickettsiae in ticks from the Masai Mara region of Kenya. Am J Trop Med Hyg 68: 551-3.

Ryan, J. R., J. Mbui, J. R. Rashid, M. K. Wasunna, G. Kirigi, C. Magiri, D. Kinoti, P. M. Ngumbi, S. K. Martin, S. O. Odera, L. P. Hochberg, C. T. Bautista, and A. S. Chan. 2006. Spatial clustering and epidemiological aspects of visceral leishmaniasis in two endemic villages, Baringo District, Kenya. Am J Trop Med Hyg 74: 308-17.