First Record of <i>Aedes aegypti</i> (L.) Vector of Dengue Virus from Kathmandu, Nepal


  • Ishan Gautam Natural History Museum
  • Megh Nath Dhimal Nepal Health Research Council
  • Shambhu Raj Shrestha Nobel College
  • Anand Shova Tamrakar Central Department of Zoology



Aedes aegypti, Ae. albopictus, Kathmandu, First record, Dengue Fever.


Aedes aegypti is the primary vector for the transmission of Dengue Fever (DF)/Dengue Haemorrhagic Fever (DHF). Entomological investigations on breeding habitats and larval prevalence of mosquitoes Aedes aegypti (L.) and Ae. albopictus (Skuse) were conducted from April to June 2009 in Kathmandu district, Nepal. Different water-filled containers were examined for the presence or absence of Aedes larvae. Larval survey techniques were used to obtain the House Index (HI), Container Index (CI) and Breteau Index (BI). The over all HI, CI and BI for Aedes aegypti were 6.25, 4.83, 9.37 and for Aedes albopictus were 6.25, 3.22 and 6.25 respectively. It was also observed that discarded tires lying outdoors were the preferred breeding habitats. No breeding was observed in other containers in April and May during this three months survey. Herewith, we report the first collection and identification of Aedes aegypti in Kathmandu during June, 2009. Indeed, this finding constitutes the first record from the capital of Nepal within the urban agglomeration of Basundhara and Gongabu-Balaju area.Therefore, DF/DHF transmission risk may occur locally if imported cases are introduced.  

Key Words: Aedes aegypti; Ae. albopictus;  Kathmandu; First record; Dengue Fever.

Journal of Natural History Museum

Vol 24, 2009.



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Author Biographies

Ishan Gautam, Natural History Museum

Research Officer, Natural History Museum, T.U. Kathmandu

Megh Nath Dhimal, Nepal Health Research Council

officer, Nepal Health Research Council, Kathmandu Nepal

Shambhu Raj Shrestha, Nobel College

Assistant professor, Nobel College, Kathmandu

Anand Shova Tamrakar, Central Department of Zoology

Professor, Central Department of Zoology, T.U. Kirtipur



How to Cite

Gautam, I., Dhimal, M. N., Shrestha, S. R., & Tamrakar, A. S. (2009). First Record of <i>Aedes aegypti</i> (L.) Vector of Dengue Virus from Kathmandu, Nepal. Journal of Natural History Museum, 24(1), 156.