FIGURES 21−32 in Systematics of the east Palaearctic pear psyllids (Hemiptera: Psylloidea) with particular focus on the Japanese and Korean fauna

FIGURES 21−32. Comparison between Cacopsylla burckhardti (left, from Korea) and Cacopsylla pyrisuga (right, from Europe). 21, 22. Paramere, inner surface. Scale = 0.1 mm. 23, 24. Paramere, outer surface. Scale = 0.1mm. 25, 26. Distal segment of aedeagus. Scale = 0.1mm. 27, 28. Forewingpad margin of fifth instar immature. Scale = 0.5 mm. 29, 30. Female terminalia. Scale = 0.1 mm. 31, 32. Dorsal and ventral valvulae. Scale = 0.1 mm.