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FIGURES 18–21 in A new species of the genus Hydroporus Clairville, 1806 from the Central Rif mountains of northern Morocco (Coleoptera: Dytiscidae)

FIGURES 18–21. Drawings of fifth protarsomere and anterior claw (top) and posterior claw (bottom) in male (18, 20) and female (19, 21) of (18–19) Hydroporus rifensis sp. n. and (20–21) H. gyllenhalii. All drawings at same scale (scale bar: 0.1 mm).

FIGURES 14–17 in A new species of the genus Hydroporus Clairville, 1806 from the Central Rif mountains of northern Morocco (Coleoptera: Dytiscidae)

FIGURES 14–17. SEM views of ventral side of left protarsus in male (14, 16) and female (15, 17) of (14–15) Hydroporus rifensis sp. n. (paratypes) and (16–17) H. gyllenhalii (16: male specimen from Fontainebleau, Ile-de-France, France; 17: female specimen from Rigny-Ussé, Touraine, France). Anterior on the left in all pictures. Scale bars: 0.1 mm.

FIGURES 8–13 in A new species of the genus Hydroporus Clairville, 1806 from the Central Rif mountains of northern Morocco (Coleoptera: Dytiscidae)

FIGURES 8–13. SEM views of selected structures of the ventral side of (8–10) Hydroporus rifensis sp. n. (8, 10: paratype, female; 9: paratype, male) and (11–13) H. gyllenhalii (female specimen from Rigny-Ussé, Touraine, France). (8, 11) Prosternal process; (9, 12) anterior extremity of prosternal process and file in front of prosternal process; (10, 13) metacoxal lines and metacoxal apophysis. Anterior on top in all pictures. Scale bars: 8, 10, 11, 13: 0.1 mm; 9, 12: 0.05 mm.

FIGURE 1 in A new species of the genus Hydroporus Clairville, 1806 from the Central Rif mountains of northern Morocco (Coleoptera: Dytiscidae)

FIGURE 1. Habitus of Hydroporus rifensis sp. n. (left) (holotype, male) and Hydroporus gyllenhalii (right) (male specimen from Puente de Sanabria, Zamora province, Spain, Fery leg. 22 VII 1987).

FIGURES 2–7 in A new species of the genus Hydroporus Clairville, 1806 from the Central Rif mountains of northern Morocco (Coleoptera: Dytiscidae)

FIGURES 2–7. Microsculpture of pronotal disc (2, 3), anterior juxta-sutural region of elytral disc (4, 5) and antero-lateral region of metacoxal plate (6, 7) of (2, 4, 6) Hydroporus rifensis sp. n. (2, 4: paratype, male; 6: paratype, female) and (3, 5, 7) H. gyllenhalii (3, 5: male specimen from Rigny-Ussé, Touraine, France; 7: female specimen from same locality). Figures 2–5 were done using a stereomicroscope with a nearly horizontal light source; pictures 6–7 are SEM views. All pictures shown at same scale (scale bar: 0.1 mm).

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FIGURES 1–6 in Hydroporus golestanensis, a new species of the H. longulus group from northern Iran (Coleoptera: Dytiscidae: Hydroporinae)

FIGURES 1–6. Hydroporus golestanensis sp. nov.: 1. habitus of holotype; 2. metacoxal processes; 3. median lobe in lateral (a), and ventral (b) view; 4. lateral lobe (paramere); gonocoxae; 6. gonocoxosternum. Scale bar = 0.5 mm (Figs. 2–6).

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FIGURES 7–8 in Hydroporus golestanensis, a new species of the H. longulus group from northern Iran (Coleoptera: Dytiscidae: Hydroporinae)

FIGURES 7–8. Type locality of Hydroporus golestanensis sp. nov.: 7. forested valley in eastern Alborz Mts., Golestan province; 8. forest streamlet near Galikash, habitat of new species. Photos by P. Chvojka.

FIGURES 73–86 in Revision of the longiusculus-group of the genus Hydroporus Clairville, 1806 (Coleoptera: Dytiscidae)

FIGURES 73–86. Median lobe of aedeagus of Hydroporus pervicinus, lateral view (73, 75, 76, 78–86), ventral view (74, 77). 73, 74—holotype of H. similaris; 75–77—Manitoba; 78— Saskatchewan; 79—Alberta; 80—British Columbia; 81–83—Oregon; 84—California; 85— Arizona; 86—Colorado.

FIGURES 57–72 in Revision of the longiusculus-group of the genus Hydroporus Clairville, 1806 (Coleoptera: Dytiscidae)

FIGURES 57–72. Median lobe of aedeagus, lateral view (57, 60, 62–68, 71), ventral view (58, 61, 69, 72), and paramere, external view (59, 70) of Hydroporus longiusculus (57–67) and H. pervicinus (68–72). 57–59—Alaska; 60, 61—holotype of H. utahensis; 62—holotype of H. fatigus; 63—holotype of H. californicus; 64—Nevada; 65—Utah; 66—Arizona; 67—New Mexico; 68–70—holotype of H. pervicinus; 71, 72—holotype of H. hirsutus.

FIGURES 38–56 in Revision of the longiusculus-group of the genus Hydroporus Clairville, 1806 (Coleoptera: Dytiscidae)

FIGURES 38–56. Male protarsal claws, anterior view (38–50), gonocoxosternum, ventral view (51, 52), gonocoxa, ventral view (53, 54), and female protarsomere 3, dorsal view (55, 56) of Hydroporus longiusculus (38–44, 51, 53, 55) and H. pervicinus (45–50, 52, 54, 56). 38, 51, 53, 55—Alaska; 39, 40, 46—Oregon; 41, 42, 47—California; 43—Utah; 44—holotype of H. utahensis; 45—Manitoba; 48—holotype of H. hirsutus; 49, 50—Colorado; 52, 54, 56—Alberta.

FIGURES 14–37 in Revision of the longiusculus-group of the genus Hydroporus Clairville, 1806 (Coleoptera: Dytiscidae)

FIGURES 14–37. Metacoxal processes (14–22), male protarsomeres 1–3, dorsal view (23–25), and male protarsomere 3, dorsal view (26–37) of Hydroporus longiusculus (14–18, 23, 26–31) and H. pervicinus (19–22, 24, 25, 32–37). 14, 15, 23—Alaska; 16, 17, 26, 32—British Columbia; 18, 30—California; 19, 20, 24—Alberta; 21, 22, 27–29, 33, 34—Oregon; 25—holotype of H. hirsutus; 31—holotype of H. utahensis; 35—Utah; 36, 37—Colorado.

FIGURES 1–13 in Revision of the longiusculus-group of the genus Hydroporus Clairville, 1806 (Coleoptera: Dytiscidae)

FIGURES 1–13. Body outline (1–8) and protibia, anterior view (9–13) of Hydroporus longiusculus (1–4, 9, 10) and H. pervicinus (5–8, 11–13). 1—holotype of H. hirtellus; 2, 10—holotype of H. utahensis; 3, 9—Alaska; 4—British Columbia; 5—holotype of H. similaris; 6—holotype of H. pervicinus; 7, 13—holotype of H. hirsutus; 8—Oregon; 11, 12—Alberta.

Figure 3 in Taxonomic revision of the Hydroporus bodemeyeri species complex (Coleoptera: Dytiscidae) with a geometric morphometric analysis of body shape within the group

Figure 3. Average landmark configuration and body shape of (A) Hydroporus anatolicus anatolicus; (B) H. anatolicus koksali ssp. nov.; (C) H. kurdistanicus sp. nov.; (D) H. bodemeyeri guignoti; (E) H. bodemeyeri bodemeyeri; (F) H. bodemeyeri cariaensis ssp. nov.; (G) H. cuprescens.

Figure 2 in Taxonomic revision of the Hydroporus bodemeyeri species complex (Coleoptera: Dytiscidae) with a geometric morphometric analysis of body shape within the group

Figure 2(A–L). Median lobe in lateral and ventral view of (A) Hydroporus anatolicus anatolicus; (C) H. anatolicus koksali ssp. nov.; (E) H. bodemeyeri bodemeyeri; (G) H. bodemeyeri cariaensis ssp. nov.; (H) H. bodemeyeri guignoti; (I) H. cuprescens; (K) H. kurdistanicus sp. nov. Paramere of (B) Hydroporus anatolicus anatolicus; (D) H. anatolicus koksali ssp. nov.; (F) H. bodemeyeri bodemeyeri; (J) H. cuprescens; (L) H. kurdistanicus sp. nov.

Figure 4 in Taxonomic revision of the Hydroporus bodemeyeri species complex (Coleoptera: Dytiscidae) with a geometric morphometric analysis of body shape within the group

Figure 4(A–C). Canonical variate analysis (CVA) on the specimen coordinates for body shape. Body shape variation along the first (x) and second (y) axis is depicted by superimposed extreme body shapes (black lines: negative sides of the axes; grey lines: positive sides of the axes). (A) all taxa examined; (B) group A: "anatolicus-kurdistanicus group"; (C) group B: the "bodemeyeri-cuprescens group".

Figure 1 in Taxonomic revision of the Hydroporus bodemeyeri species complex (Coleoptera: Dytiscidae) with a geometric morphometric analysis of body shape within the group

Figure 1. Location of the landmarks (black circles) and sliding semilandmarks (white circles) on the body of Hydroporus.

FIGURE 12 in A new interstitial species of the Hydroporus ferrugineus group from north-western Turkey, with a molecular phylogeny of the H. memnonius and related groups (Coleoptera: Dytiscidae: Hydroporinae)

FIGURE 12. Ultrametric tree obtained with Beast and an evolutionary rate of 0.0115 substitutions/site/MY for the H. memnonius, H. longulus and H. ferrugineus groups. Numbers in nodes, estimated ages; blue bars, 95% confidence intervals.

FIGURES 2–3 in A new interstitial species of the Hydroporus ferrugineus group from north-western Turkey, with a molecular phylogeny of the H. memnonius and related groups (Coleoptera: Dytiscidae: Hydroporinae)

FIGURES 2–3. Hydroporus bithynicus sp. n. (paratype male, DNA voucher specimen MNCN-AI782); 2) head and pronotum; 3) detail of the metacoxa (photos: A. Castro).

FIGURE 11 in A new interstitial species of the Hydroporus ferrugineus group from north-western Turkey, with a molecular phylogeny of the H. memnonius and related groups (Coleoptera: Dytiscidae: Hydroporinae)

FIGURE 11. Average node support (Bayesian posterior probability) (blue line) and number of species groups defined (red line) in each node level, counting from the root of the genus Hydroporus in the tree of Fig. 10.

FIGURES 7–9 in A new interstitial species of the Hydroporus ferrugineus group from north-western Turkey, with a molecular phylogeny of the H. memnonius and related groups (Coleoptera: Dytiscidae: Hydroporinae)

FIGURES 7–9. Habitat of Hydroporus bithynicus sp. n.; 7) detail of the spring in which all specimens were found; 8) general view of the stream between Yeniçaga and Mengen; 9) two of the authors (P. Aguilera and C. Hernando) next to the spring (photos: I. Ribera).