Tuatara: Volume 25, Issue 1, July 1981

Fig. 3: The emergence stance in Anisoptera: (a) — “upright” type (Tanypteryx pryeri); (b) — “hanging” type (Procordulia grayi); (c) — “upright” emergence angle 0° to 90°; (d) — “Hanging” emergence angle 90° to 180°. 3(a), (c), (d) after Eda (1959)

Fig. 3: The emergence stance in Anisoptera: (a) — “upright” type (Tanypteryx pryeri); (b) — “hanging” type (Procordulia grayi); (c) — “upright” emergence angle 0° to 90°; (d) — “Hanging” emergence angle 90° to 180°. 3(a), (c), (d) after Eda (1959).

Fig. 3: The emergence stance in Anisoptera: (a) — “upright” type (Tanypteryx pryeri); (b) — “hanging” type (Procordulia grayi); (c) — “upright” emergence angle 0° to 90°; (d) — “Hanging” emergence angle 90° to 180°. 3(a), (c), (d) after Eda (1959).