Right antenna of Marleyimyia species. A M. xylocopae Marshall & Evenhuis, sp. n. B M. goliath (Oldroyd) [from Oldroyd 1951, fig. 5]. Fig. 3A derives from Photo no. 7015 (Red Cliffs site), was rotated slightly to match the illustration (Fig. 3B), and was adjusted for brightness and contrast. Photo: Steve Marshall.