Aedes vexans is a floodwater mosquito that is very common in the Greater Yellowstone Ecosystem. The adult female bites preferably cattle and humans during the day as well as in the evening and night. Both females and males feed on nectar, honeydew, and sap. Females typically lay their eggs after a blood meal in areas associated with standing water. The adult form of this species can be found from May through October.
Species: Aedes vexans
Photograph: © 2004 RKD Peterson
Date of Photograph: 23 June 2004
Location: Montana, Gallatin Co. (45o27'04" N 111o22'24" W)