The suspect cases of Japanese Encephalitis (JE) from Surabaya City and Jombang regency was reported remain high with 39 people died, 30 defects, 39 sick and 66 healthy. Due to the reason, it is important to conduct a confirmation of JE vectors that take an important role in Surabaya. A study on the confirmation of Culex sp mosquito as the vector of JE have been conducted in Surabaya by the …