Figures 55–57 in Observations on Antennal Morphology in Diptera, with Particular Reference to the Articular Surfaces between Segments 2 and 3 in the Cyclorrhapha

Figures 55–57. Antennae of Lauxaniidae. (55) Sapromyza sciomyzina Schiner, left seg. 2, lateral view. (56) Trigonometopsis binotata (Thomson), left seg. 2, lateral view. (57) Homoneura sp., left seg. 3, medial view. bu, pedicellar button; sc, sacculus.