The world’s most dangerous insect is often considered to be the mosquito.
Here’s a brief list of some of the most dangerous insects and the diseases they transmit:
Mosquito – Transmits malaria, dengue fever, Zika virus, West Nile virus.
Tsetse Fly – Transmits sleeping sickness (African trypanosomiasis).
Kissing Bug – Transmits Chagas disease.
Sand Fly – Transmits leishmaniasis.
