1. Venezuelan Encephalitis, PAHO-Panamerican Sanitary Bureau, scientific publication no. 243, Washington, DC, 1972, pp. 157–161.
2. Olano, V.A. and Morales, A., Colonización de una cepa de Psorophora confinnis (Grabhamia) Arribalzaga, 1891 en Colombia, Biomédica, 1981, vol. 1, pp. 12–15.
3. Sanmartin, C., Mackenzie, R.B., Trapido, H., et al., Encefalitis equina venezolana en Colombia, Bol. Ofic. Sanit. Panam., 1977, vol. 74, pp. 108–137.
4. Lanzaro, G.C., Genetics of the Mosquito Vector of Epidemic Venezuelan Equine Encephalitis, in Advanced Res. Program, Texas: A&M University, 1977.
5. Dujardin, J.P., Le Pont, F., Cruz, M., et al., Cryptic Speciation in Lutzomyia (Nyssomyia) trapidoi (Fairchild & Hertig) (Diptera: Psychodidae) Detected by Multilocus Enzyme Electrophoresis, Am. J. Trop. Med. Hyg., 1996, vol. 54, pp. 42–45.