FIGURES 24 a–s. Male habitus in dorsal view of: H. gracilis (Italy, Friuli, Cosizza river) (a); H. crepidoptera (Turkey, Sinop, W Yenikonak) (b). Aedeagi in right side view of: H. gracilis (Austria, Niederösterreich) (c); H. gracilidelphis (Spain, Leon, Puerto de Panderrueda) (d); H. graciloides (Turkey, Bolu, Yödigoller N. P.) (e); H. elisabethae (From Jäch 1995a: Greece, Thassos) (f); H. anatolica (Turkey, Kastamonu, Küre Daglari) (g); H. nike (Greece, Samothraki) (h); H. crepidoptera (From Jäch 1995a: Turkey, Sinop, W Yenikonak) (l). Female elytral terminations of: H. gracilis (Italy, Friuli, Stregna) (m); H. gracilidelphis (Spain, Leon, Puerto de Panderrueda) (n); H. graciloides (Turkey, Bolu, Yödigoller N. P.) (o); H. elisabethae (Gree...
Hydraena Kugelann represents the largest genus within the water beetle family Hydraenidae, and in pa...
FIGURES 11–14. Hydraena, dorsal and lateral habitus of holotypes. —11. H. magnetica. —12. H. miniret...
FIGURE 1. Aedeagus in right side view of Hydraena diazi (Spain, Guipuzkoa prov., Oiartzun). Scale ba...
FIGURES 26 a–u. Male habitus in dorsal view of: H. larissae (Italy, Piemonte, Oropa) (a); H. hispani...
FIGURES 48 a–s. Male habitus in dorsal view of: H. dentipes (Italy, Trentino, Bieno) (a); H. heterog...
FIGURES 20 a–l. Male habitus in dorsal view of: H. planata (From Jäch & Díaz 2006: Azerbaijan, Gäncä...
FIGURES 2 a–l. Male habitus in dorsal view of H. bensae ("Haenydra" lineage) (a); Aedeagi in right s...
FIGURES 5a–b. M. Trizzino sampling "Haenydra" using entomological dredge (a). M. Trizzino, P. Audisi...
FIGURES 1–3. Hydraena rukiyeae, 1) aedeagus of holotype, lateral view, 2) female tergite X, 3) gonoc...
FIGURE 4. Hydraena lotti sp. nov. A) – B) male metatibia; C) – D) female metatibia; E)– F) male meso...
FIGURE 23. Geographic distribution of: H. vedrasi; H. jaechiana; H. epeirosi.Published as part of Tr...
FIGURE 29. Geographic distribution of: H. dalmatina; H. belgica; H. tarvisina.Published as part of T...
FIGURE 6. Stream with reduced amount of water, where G. Ferro collected H. carniolica (Italy, Trevis...
FIGURES 29–32. Hydraena, dorsal and lateral habitus of types. —29. H. simplicicollis, lectotype male...
FIGURES 57–60. Hydraena, dorsal and lateral habitus of holotypes. —57. H. hynesi. —58. H. monteithi....
Hydraena Kugelann represents the largest genus within the water beetle family Hydraenidae, and in pa...
FIGURES 11–14. Hydraena, dorsal and lateral habitus of holotypes. —11. H. magnetica. —12. H. miniret...
FIGURE 1. Aedeagus in right side view of Hydraena diazi (Spain, Guipuzkoa prov., Oiartzun). Scale ba...
FIGURES 26 a–u. Male habitus in dorsal view of: H. larissae (Italy, Piemonte, Oropa) (a); H. hispani...
FIGURES 48 a–s. Male habitus in dorsal view of: H. dentipes (Italy, Trentino, Bieno) (a); H. heterog...
FIGURES 20 a–l. Male habitus in dorsal view of: H. planata (From Jäch & Díaz 2006: Azerbaijan, Gäncä...
FIGURES 2 a–l. Male habitus in dorsal view of H. bensae ("Haenydra" lineage) (a); Aedeagi in right s...
FIGURES 5a–b. M. Trizzino sampling "Haenydra" using entomological dredge (a). M. Trizzino, P. Audisi...
FIGURES 1–3. Hydraena rukiyeae, 1) aedeagus of holotype, lateral view, 2) female tergite X, 3) gonoc...
FIGURE 4. Hydraena lotti sp. nov. A) – B) male metatibia; C) – D) female metatibia; E)– F) male meso...
FIGURE 23. Geographic distribution of: H. vedrasi; H. jaechiana; H. epeirosi.Published as part of Tr...
FIGURE 29. Geographic distribution of: H. dalmatina; H. belgica; H. tarvisina.Published as part of T...
FIGURE 6. Stream with reduced amount of water, where G. Ferro collected H. carniolica (Italy, Trevis...
FIGURES 29–32. Hydraena, dorsal and lateral habitus of types. —29. H. simplicicollis, lectotype male...
FIGURES 57–60. Hydraena, dorsal and lateral habitus of holotypes. —57. H. hynesi. —58. H. monteithi....
Hydraena Kugelann represents the largest genus within the water beetle family Hydraenidae, and in pa...
FIGURES 11–14. Hydraena, dorsal and lateral habitus of holotypes. —11. H. magnetica. —12. H. miniret...
FIGURE 1. Aedeagus in right side view of Hydraena diazi (Spain, Guipuzkoa prov., Oiartzun). Scale ba...