Neonchocotyle violantei n. sp. (Monogenea, Hexabothriidae) do Pseudobatos lentiginosus (Rhinopristiformes, Rhinobatidae) de Yucatán, Golfo do México

Neonchocotyle violantei n. sp. (Monogenea: Hexabothriidae) infecta brânquia de Pseudobatos lentiginosus, (Rhinopristiformes, Rhinobatidae) de águas litorâneas ao largo da costa de Celestún, Yucatán, México. É atribuído a Neonchocotyle porque tem, entre outras características, um haptor assimétrico, um receptáculo seminal, um tipo oótipo liso e um ovo com dois filamentos alongados. Difere de Neonchocotyle pastinacae, o único congênere, por ter um corpo pequeno (821 de comprimento por 315 de largura, comprimento a largura = 2,6: 1), dois pares de microganchos entre as ventosas do apêndice haptoral, poros vaginais extracaecais (submarginal) e 5-9 testículos. Este é o primeiro registro de uma espécie de Neonchocotyle no Golfo do México, o primeiro monogenético registrado em P. lentiginosus no México e a segunda espécie de Hexabothriidae relatada no México.

Paravras-chave:
Neonchocotyle sp. n.; Pseudobatos lentiginosus; helminto; chave

Autoria

Guadalupe Quiterio-Rendon

Laboratorio de Morfología Animal, Centro de Investigaciones Biológicas, Universidad Autónoma del Estado de Hidalgo, Pachuca, Hidalgo, MéxicoUniversidad Autónoma del Estado de HidalgoMéxicoPachuca, Hidalgo, MéxicoLaboratorio de Morfología Animal, Centro de Investigaciones Biológicas, Universidad Autónoma del Estado de Hidalgo, Pachuca, Hidalgo, México

Scott Monks

Research Fellow, Harold W. Manter Laboratory of Parasitology, University of Nebraska-Lincoln, Lincoln, Nebraska, United StatesUniversity of Nebraska-LincolnUnited StatesLincoln, Nebraska, United StatesResearch Fellow, Harold W. Manter Laboratory of Parasitology, University of Nebraska-Lincoln, Lincoln, Nebraska, United States

Griselda Pulido-Flores ^**Corresponding author: Griselda Pulido-Flores. Laboratorio de Morfología Animal, Centro de Investigaciones Biológicas, Universidad Autónoma del Estado de Hidalgo, Apartado Postal 1-10, C.P. 42001 Pachuca, Hidalgo, México. e-mail: gpflores6@hotmail.com

*Corresponding author: Griselda Pulido-Flores. Laboratorio de Morfología Animal, Centro de Investigaciones Biológicas, Universidad Autónoma del Estado de Hidalgo, Apartado Postal 1-10, C.P. 42001 Pachuca, Hidalgo, México. e-mail: gpflores6@hotmail.com

SCIMAGO INSTITUTIONS RANKINGS

Figuras

Figuras (6)

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Figure 1
Neonchocotyle violantei n. sp. (A) holotype, ventral view; (B) detail of the sclerites of the haptoral sucker. Small numbers identify respective sclerites; sclerites pares are indicated by numbers 1 to 3, and 1’ (1-prime) to 3’ (3-prime) (see BOEGER & KRITSKY, 1989Boeger WA, Kritsky DC. Phylogeny, coevolution, and revision of the Hexabothriidae Price, 1942 (Monogenea). Int J Parasitol 1989; 19(4): 425-440. http://dx.doi.org/10.1016/0020-7519(89)90099-4.
http://dx.doi.org/10.1016/0020-7519(89)9... ). Scale bars: A, B = 75 μm. Abbreviations: ag, anterior glands; ah, dorsal haptoral appendix; am, anterior microhook; c, ceca; ep, excretor pore; gv, glandular portion of vagina; h, haptor; mco, male copulatory organ; mv, muscular portion of vagina; o, ovary; oo, oötype; os, oral sucker; pm, posterior microhook; scl, sclerite; sr, seminal receptacle; t, testis; vp, vaginal pore; e, egg; vr, viteline reservoir.

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Figure 4
Neonchocotyle violantei n. sp. Haptoral appendix. Abbreviations: am, anterior microhook; pm, posterior microhook. Scale bars: 40 µm.

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Figure 3
Neonchocotyle violantei n. sp. (A) Sucker-sclerite complex 3, specimen number YUC-99-038-01-1; (B) Papillae rings on sucker-sclerite complex 3. Scale bars: A = 20 μm, B = 104 µm.

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Figure 5
(A) Neonchocotyle pastinacae, ventral view of haptor (modified from KTARI & MAILLARD, 1972Ktari MH, Maillard C. Neonchocotyle pastinacae n.g.- n.sp. (Monogenea-Hexabothriidae) parasite de Dasyatis pastinaca dans le golfe de Tunis: description de ' l’adulte et de la larve. Ann Parasitol Hum Comp 1972; 47(2): 181-191. http://dx.doi.org/10.1051/parasite/1972472181.
http://dx.doi.org/10.1051/parasite/19724... ); (B) Neonchocotyle violantei n. sp., ventral view of haptor; (C) Callorhynchocotyle marplatensis, ventral view of haptor (redrawn from VAUGHAN & CHRISTISON, 2012Vaughan D, Christison K. Towards addressing the current state of confusion within the Hexabothriidae Price, 1942 (1908): Callorhynchocotyle Suriano & Incorvaia, 1982 (Monogenea: Hexabothriidae) re-visited, with the preliminary evaluation of novel parameters for measuring haptoral armature of hexabothriids. Zootaxa [online] 2012; 3229: 1-34 [cited 2004 Jan 19]. Available from: http://www.mapress.com/zootaxa/2012/f/z03229p034f.pdf
http://www.mapress.com/zootaxa/2012/f/z0... ). Small numbers identify respective sucker-sclerite complexes; complex pares are indicated by numbers 1 to 3, and 1’ (1-prime) to 3’ (3-prime) (see BOEGER & KRITSKY, 1989Boeger WA, Kritsky DC. Phylogeny, coevolution, and revision of the Hexabothriidae Price, 1942 (Monogenea). Int J Parasitol 1989; 19(4): 425-440. http://dx.doi.org/10.1016/0020-7519(89)90099-4.
http://dx.doi.org/10.1016/0020-7519(89)9... ). Haptors not drawn to scale.

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Figure 2
Neonchocotyle violantei n. sp.; detail of the reproductive organs. Scale bar = 75 μm. Abbreviations: dmco, distal portion of the male copulatory organ; gch, genital canal; gp, genital pore; gv, glandular region of the vagina; mv, muscular region of the vagina; o, ovary; oo, oötype; pmco, pouch of male copulatory organ; pp, pars prostactica; pxmco, proximal portion of the male copulatory organ; sde, sclerotized distal end; sr, seminal receptacle; sv, seminal vesicle; vp, vaginal pore; vr, viteline reservoir.

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Figure 6
(A) Neonchocotyle pastinacae; position of the vaginal pores, ventral view (redrawn from KTARI & MAILLARD, 1972Ktari MH, Maillard C. Neonchocotyle pastinacae n.g.- n.sp. (Monogenea-Hexabothriidae) parasite de Dasyatis pastinaca dans le golfe de Tunis: description de ' l’adulte et de la larve. Ann Parasitol Hum Comp 1972; 47(2): 181-191. http://dx.doi.org/10.1051/parasite/1972472181.
http://dx.doi.org/10.1051/parasite/19724... ); (B) Neonchocotyle violantei n. sp., position of the vaginal pores, ventral view (holotype). Abbreviations: vp, vaginal pore. Scale bars: A = 200 µm, B = 75 µm.

Figure 1 Neonchocotyle violantei n. sp. (A) holotype, ventral view; (B) detail of the sclerites of the haptoral sucker. Small numbers identify respective sclerites; sclerites pares are indicated by numbers 1 to 3, and 1’ (1-prime) to 3’ (3-prime) (see BOEGER & KRITSKY, 1989Boeger WA, Kritsky DC. Phylogeny, coevolution, and revision of the Hexabothriidae Price, 1942 (Monogenea). Int J Parasitol 1989; 19(4): 425-440. http://dx.doi.org/10.1016/0020-7519(89)90099-4.
http://dx.doi.org/10.1016/0020-7519(89)9... ). Scale bars: A, B = 75 μm. Abbreviations: ag, anterior glands; ah, dorsal haptoral appendix; am, anterior microhook; c, ceca; ep, excretor pore; gv, glandular portion of vagina; h, haptor; mco, male copulatory organ; mv, muscular portion of vagina; o, ovary; oo, oötype; os, oral sucker; pm, posterior microhook; scl, sclerite; sr, seminal receptacle; t, testis; vp, vaginal pore; e, egg; vr, viteline reservoir.

Figure 4 Neonchocotyle violantei n. sp. Haptoral appendix. Abbreviations: am, anterior microhook; pm, posterior microhook. Scale bars: 40 µm.

Figure 3 Neonchocotyle violantei n. sp. (A) Sucker-sclerite complex 3, specimen number YUC-99-038-01-1; (B) Papillae rings on sucker-sclerite complex 3. Scale bars: A = 20 μm, B = 104 µm.

Figure 5 (A) Neonchocotyle pastinacae, ventral view of haptor (modified from KTARI & MAILLARD, 1972Ktari MH, Maillard C. Neonchocotyle pastinacae n.g.- n.sp. (Monogenea-Hexabothriidae) parasite de Dasyatis pastinaca dans le golfe de Tunis: description de ' l’adulte et de la larve. Ann Parasitol Hum Comp 1972; 47(2): 181-191. http://dx.doi.org/10.1051/parasite/1972472181.
http://dx.doi.org/10.1051/parasite/19724... ); (B) Neonchocotyle violantei n. sp., ventral view of haptor; (C) Callorhynchocotyle marplatensis, ventral view of haptor (redrawn from VAUGHAN & CHRISTISON, 2012Vaughan D, Christison K. Towards addressing the current state of confusion within the Hexabothriidae Price, 1942 (1908): Callorhynchocotyle Suriano & Incorvaia, 1982 (Monogenea: Hexabothriidae) re-visited, with the preliminary evaluation of novel parameters for measuring haptoral armature of hexabothriids. Zootaxa [online] 2012; 3229: 1-34 [cited 2004 Jan 19]. Available from: http://www.mapress.com/zootaxa/2012/f/z03229p034f.pdf
http://www.mapress.com/zootaxa/2012/f/z0... ). Small numbers identify respective sucker-sclerite complexes; complex pares are indicated by numbers 1 to 3, and 1’ (1-prime) to 3’ (3-prime) (see BOEGER & KRITSKY, 1989Boeger WA, Kritsky DC. Phylogeny, coevolution, and revision of the Hexabothriidae Price, 1942 (Monogenea). Int J Parasitol 1989; 19(4): 425-440. http://dx.doi.org/10.1016/0020-7519(89)90099-4.
http://dx.doi.org/10.1016/0020-7519(89)9... ). Haptors not drawn to scale.

Figure 2 Neonchocotyle violantei n. sp.; detail of the reproductive organs. Scale bar = 75 μm. Abbreviations: dmco, distal portion of the male copulatory organ; gch, genital canal; gp, genital pore; gv, glandular region of the vagina; mv, muscular region of the vagina; o, ovary; oo, oötype; pmco, pouch of male copulatory organ; pp, pars prostactica; pxmco, proximal portion of the male copulatory organ; sde, sclerotized distal end; sr, seminal receptacle; sv, seminal vesicle; vp, vaginal pore; vr, viteline reservoir.

Figure 6 (A) Neonchocotyle pastinacae; position of the vaginal pores, ventral view (redrawn from KTARI & MAILLARD, 1972Ktari MH, Maillard C. Neonchocotyle pastinacae n.g.- n.sp. (Monogenea-Hexabothriidae) parasite de Dasyatis pastinaca dans le golfe de Tunis: description de ' l’adulte et de la larve. Ann Parasitol Hum Comp 1972; 47(2): 181-191. http://dx.doi.org/10.1051/parasite/1972472181.
http://dx.doi.org/10.1051/parasite/19724... ); (B) Neonchocotyle violantei n. sp., position of the vaginal pores, ventral view (holotype). Abbreviations: vp, vaginal pore. Scale bars: A = 200 µm, B = 75 µm.

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Neonchocotyle violantei n. sp. (Monogenea, Hexabothriidae) do Pseudobatos lentiginosus (Rhinopristiformes, Rhinobatidae) de Yucatán, Golfo do México

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[1] *Corresponding author: Griselda Pulido-Flores. Laboratorio de Morfología Animal, Centro de Investigaciones Biológicas, Universidad Autónoma del Estado de Hidalgo, Apartado Postal 1-10, C.P. 42001 Pachuca, Hidalgo, México. e-mail: gpflores6@hotmail.com