FIGURES 18–25. Diodontus spp. 18. D in New records of the genus Diodontus Curtis, 1834 (Hymenoptera: Crabronidae) from Bulgaria, Montenegro and Poland, with a key to Central and Eastern European species

FIGURES 18–25. Diodontus spp. 18. D. luperus ♀, mesosoma, lateral view. 19. D. medius ♀, mesosoma, lateral view. 20. D. tristis ♀, tibia. 21. D. medius ♀, tibia. 22. D. tristis ♂, mesoscutum and mesoscutellum, dorsal view. 23. D. medius ♀, mesoscutum and mesoscutellum, dorsal view. 24. D. luperus ♀, anterior tibia, frontal view. 25. D. medius ♀, anterior tibia, frontal view.