Figures 3–5 in Observations on Antennal Morphology in Diptera, with Particular Reference to the Articular Surfaces between Segments 2 and 3 in the Cyclorrhapha

Figures 3–5. Nannochorista dipteroides Tillyard (fam. Nannochoristidae), antenna. (3) Distal view of seg. 2, after removal of seg. 3, showing positions of sensory structures. (4, 5) Detail of sensory structures at positions a, b in Fig. 3; scale = 1 µm.