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FIGURES 56–60 in New taxa, new synonymies and new host records in the louse genus Halipeurus (Insecta: Phthiraptera: Philopteridae) parasitic on petrels (Aves: Procellariiformes)

FIGURES 56–60. Male genitalia, dorsal view: 56, Halipeurus atlanticus. 57, Halipeurus confusus. 58, Halipeurus vincesmithi. 59, Halipeurus nesofregettae. 60, Halipeurus raphanus.

FIGURES 54–55 in New taxa, new synonymies and new host records in the louse genus Halipeurus (Insecta: Phthiraptera: Philopteridae) parasitic on petrels (Aves: Procellariiformes)

FIGURES 54–55. Halipeurus raphanus: 54, habitus of male from Oceanodroma homochroa. 55, habitus of female from Oceanodroma homochroa. Scale = 1 mm.

FIGURES 43–48 in New taxa, new synonymies and new host records in the louse genus Halipeurus (Insecta: Phthiraptera: Philopteridae) parasitic on petrels (Aves: Procellariiformes)

FIGURES 43–48. Ventral view of female terminalia: 43, Halipeurus confusus. 44, Halipeurus pricei. 45, Halipeurus spadix subclavus. 46, Halipeurus atlanticus. 47, Halipeurus pelagodromae. 48, Halipeurus pelagicus.

FIGURES 49–53 in New taxa, new synonymies and new host records in the louse genus Halipeurus (Insecta: Phthiraptera: Philopteridae) parasitic on petrels (Aves: Procellariiformes)

FIGURES 49–53. Ventral view of female terminalia: 49, Halipeurus vincesmithi. 50, Halipeurus nesofregettae. 51, Halipeurus fallacis. 52, Halipeurus raphanus. 53, Halipeurus noctivagus.

FIGURES 20–21 in New taxa, new synonymies and new host records in the louse genus Halipeurus (Insecta: Phthiraptera: Philopteridae) parasitic on petrels (Aves: Procellariiformes)

FIGURES 20–21. Halipeurus atlanticus: 20, habitus of male holotype. 21, habitus of female allotype. Scale = 1 mm.

FIGURES 1–2 in New taxa, new synonymies and new host records in the louse genus Halipeurus (Insecta: Phthiraptera: Philopteridae) parasitic on petrels (Aves: Procellariiformes)

FIGURES 1–2. Halipeurus confusus: 1, habitus of male holotype. 2, habitus of female allotype. Scale = 1 mm.

FIGURES 34–37 in New taxa, new synonymies and new host records in the louse genus Halipeurus (Insecta: Phthiraptera: Philopteridae) parasitic on petrels (Aves: Procellariiformes)

FIGURES 34–37. Ventral view of male terminalia: 34, Halipeurus vincesmithi. 35, Halipeurus nesofregettae. 36, Halipeurus raphanus. 37, Halipeurus fallacis.

FIGURE 40a–g in New taxa, new synonymies and new host records in the louse genus Halipeurus (Insecta: Phthiraptera: Philopteridae) parasitic on petrels (Aves: Procellariiformes)

FIGURE 40a–g. Halipeurus angusticeps: Variability in male sternite 9+10, ventral view (setae omitted, only alveoli shown): a, lectotype of H. angusticeps. b, holotype of H. sawadai. c, paratype of H. sawadai. d and e, specimens from Mikura Island. f, holotype of H. a. forsteri. g, paratype of H. a. forsteri.

FIGURES 38–39 in New taxa, new synonymies and new host records in the louse genus Halipeurus (Insecta: Phthiraptera: Philopteridae) parasitic on petrels (Aves: Procellariiformes)

FIGURES 38–39. Halipeurus angusticeps: 38, habitus of male lectotype. 39, habitus of female paralectotype (slide 445). Scale = 1 mm.

FIGURES 15–19 in New taxa, new synonymies and new host records in the louse genus Halipeurus (Insecta: Phthiraptera: Philopteridae) parasitic on petrels (Aves: Procellariiformes)

FIGURES 15–19. Female clypeal signature (hyaline margin omitted): 15, Halipeurus pricei. 16, Halipeurus atlanticus. 17, Halipeurus raphanus. 18, Halipeurus fallacis. 19, Halipeurus nesofregettae.

FIGURES 41–42 in New taxa, new synonymies and new host records in the louse genus Halipeurus (Insecta: Phthiraptera: Philopteridae) parasitic on petrels (Aves: Procellariiformes)

FIGURES 41–42. Halipeurus vincesmithi: 41, habitus of male holotype. 42, habitus of female allotype. Scale = 1 mm.

FIGURES 13–14 in New taxa, new synonymies and new host records in the louse genus Halipeurus (Insecta: Phthiraptera: Philopteridae) parasitic on petrels (Aves: Procellariiformes)

FIGURES 13–14. Halipeurus pricei: 13, habitus of male holotype. 14, habitus of female allotype. Scale = 1 mm.

FIGURES 3–12 in New taxa, new synonymies and new host records in the louse genus Halipeurus (Insecta: Phthiraptera: Philopteridae) parasitic on petrels (Aves: Procellariiformes)

FIGURES 3–12. Male clypeal signature (hyaline margin omitted): 3, Halipeurus confusus. 4, Halipeurus pricei. 5, Halipeurus atlanticus. 6, Halipeurus pelagodromae. 7, Halipeurus pelagicus. 8, Halipeurus vincesmithi. 9, Halipeurus spadix subclavus. 10, Halipeurus raphanus. 11, Halipeurus fallacis. 12, Halipeurus nesofregettae.

FIGURES 22–25 in New taxa, new synonymies and new host records in the louse genus Halipeurus (Insecta: Phthiraptera: Philopteridae) parasitic on petrels (Aves: Procellariiformes)

FIGURES 22–25. Dorsal view of head: 22, Halipeurus pelagodromae male. 23, Halipeurus pelagicus male. 24, Halipeurus pelagodromae female. 25, Halipeurus pelagicus female.

FIGURES 28–33 in New taxa, new synonymies and new host records in the louse genus Halipeurus (Insecta: Phthiraptera: Philopteridae) parasitic on petrels (Aves: Procellariiformes)

FIGURES 28–33. Ventral view of male terminalia: 28, Halipeurus confusus. 29, Halipeurus pricei. 30, Halipeurus spadix subclavus. 31, Halipeurus atlanticus. 32, Halipeurus pelagodromae. 33, Halipeurus pelagicus.

FIGURES 26–27 in New taxa, new synonymies and new host records in the louse genus Halipeurus (Insecta: Phthiraptera: Philopteridae) parasitic on petrels (Aves: Procellariiformes)

FIGURES 26–27. Halipeurus pelagodromae: 26, habitus of male holotype. 27, habitus of female allotype. Scale = 1 mm.

Fig. 1 in Comparative morphology of the compound rhamphotheca of tubenosed seabirds (order Procellariiformes)

Fig. 1. Schematic drawing of the horny plates and sulcus of (A) Diomedeidae (B) Procellariidae (C) Hydrobatidae, and (D) Oceanitidae (dotted lines for grooves/ sutures), and (E) how measurements were taken, lateral and ventral view, and (F) photos to illustrate some characters and character states used in this study. Numbers refer to Appendix B. Abbreviations: bh beak height, bl beak length, cg culminolabial groove, cu culminicorn, la latericorn, mg mentolabial groove, ml mandibular nail length, mn mandibular nail, na naricorn, ng nasolabial groove, jl lower jaw length, nh nasal tube height, nl nasal tube length, pf pseudomental fold, pg pseudomental groove, pl pseudomental fold length, pn premaxillary nail, ra ramicorn, rad dorsal ramicorn, rav ventral ramicorn, rg ramicorn groove.

Fig. 2 in Comparative morphology of the compound rhamphotheca of tubenosed seabirds (order Procellariiformes)

Fig. 2. Rhamphotheca of Procellariidae in lateral, dorsal, ventral and cranial view of (A) Aphrodroma brevirostris (B) Ardenna creatopus (C) Ardenna grisea (D) Calonectris diomedea (E) Daption capense (F) Fulmarus glacialoides (G) Macronectes giganteus, and (H) Pachyptila belcheri. Abbreviations: ci concave inflection on the tube, ls longitudinal sulcus, s slope, t triangle-shaped sulcus, vn ventral notch on the mandibular nail, vs ventral slope of the tube.

Fig. 4 in Comparative morphology of the compound rhamphotheca of tubenosed seabirds (order Procellariiformes)

Fig. 4. Rhamphotheca in lateral, dorsal and ventral view of (A) Diomedea epomophora (B) Diomedea exulans (C) Phoebetria palpebrata (D) Thalassarche bulleri (E) Thalassarche cauta (F) Thalassarche chrysostoma (G) Thalassarche melanophris (Diomedeidae) (H) Oceanodroma hornbyi (I) Oceanodroma leucorhous (Hydrobatidae) (J) Fregetta tropica (K) Oceanites gracilis, and (L) Oceanites oceanicus (Oceanitidae). Abbreviations: in incurrent narine, en excurrent narine + aperture of oil gland.

Fig. 3 in Comparative morphology of the compound rhamphotheca of tubenosed seabirds (order Procellariiformes)

Fig. 3. Rhamphotheca of Procellariidae in lateral, dorsal, ventral and cranial view of (A) Procellaria aequinoctialis (B) Puffinus assimilis (C) Puffinus puffinus (D) Pelecanoides magellani (E) Pelecanoides georgicus, and (F) Pelecanoides urinatrix.