To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie S2 Real-time intravital video imaging through the mosquito wing, showing afferent hemolymph flow (into the wing) via anterior veins (e.g., costa and radius) and efferent flow via posterior veins (e.g., ambient costa). Hemolymph circulation in insect flight appendages: physiology of the wing heart and circulatory flow in the wings of the mosquito Anopheles gambiae Ravi Theja V. Chintapalli, and Julián F. Hillyer Journal of Experimental Biology 2016. 219:3945-3951; doi: 10.1242/jeb.148254 Download Original Video