Fig. 1

Schematic diagrams of the muscles, where neuromuscular junctions were analyzed (adapted and simplified from Rilling, 1960). a Right half of 2 ½ tergites with dorsal body wall muscles. b left half of a single sternite with ventral body wall muscles. c posterior ts view of a right walking leg in three different planes (anterior, medial, posterior) with leg flexor muscles. Muscles analyzed in this study are shaded in grey and numbers according to Rilling (1960) are indicated. a, b: anterior is to the top, c dorsal is to the top. All scale bars 500 μm