Fig. 10From: Phlebotomine sand flies (Diptera: Psychodidae) transmitting visceral leishmaniasis and their geographical distribution in China: a reviewErosion gully at the foot of stony desert terrain. In summer, the temperature can go over 50 °C during the day, and drop quickly after sunset. A large number of Ph. alexandri sand flies can be captured with human-baited traps in the grooveBack to article page