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Many species of mosquitoes are vectors of diseases, so important in medicine and other fields. [1] Well over 3,500 species of mosquitoes were found and described, and new species are about to discover. [2] Sri Lanka is home to 131 species of mosquitoes that included to 16 genera with 17 endemic species. [3] [4]
A study conducted compared two species of mosquitoes An. subpictus and An. culicifacies and found that the An. culicifices species had a higher sporozoite rate of 1.8% as 13 of 716 collected insects were positive for the malaria sporozoite. [12]
In 2017, Sri Lanka experienced its largest outbreak of dengue fever, a neglected tropical disease, since the first recorded case in 1962. [3] [4] [5] This biological hazard, transmitted via female mosquito bites, resulted in 186,101 dengue cases, a significant increase compared to previous years (see table below), and let to 440 deaths.
Aedes aegypti and Aedes albopictus are both mosquito species native to Sri Lanka. However, the disease did not emerge until the early 1960s. [3] Dengue was first serologically confirmed in the country in 1962. A Chikungunya outbreak followed in 1965. In the early 1970s two type of dengue dominated in Sri Lanka: DENV-1 type1 and DENV-2 type 2.
The caddisfly diversity in Sri Lanka is fairly studied from British times to present day. However, the first comprehensive work was done by Schmid in 1958. [32] Then in 1973, Malicky updated the checklist. [12] Currently 188 number of caddisfly species belongs to 18 families are identified from Sri Lanka. [11] [33] [34] [35] [36]
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Sri Lanka is a tropical island situated close to the southern tip of India. The invertebrate fauna is as large as it is common to other regions of the world. There are approximately 2 million known species of arthropods, and this number continues to grow. Thus, it is difficult to determine the exact number of Odonata species within particular ...
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