Next to their ears are prominent, swollen wing veins whose function has been a mystery. Now, researchers at Carleton University in Ottawa report that the veins appear to be part of the insects’ ...

The cephalic vein is located along the leading edge of the patagium or the antebrachial wing membrane (Fig. 1). The saphenous (interfemoral) vein is found in the uropatagium (tail membrane ...