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14 results for “Spinitectus”
FIGURE 66. Spinitectus carolini Holl, 1928. A in Guide to the Parasites of Fishes of Canada Part V: Nematoda
FIGURE 66. Spinitectus carolini Holl, 1928. A. adult, en face view; B. adult, anterior end, lateral view; C. adult male, posterior end, lateral view; D. adult female, mid-section, vaginal region. (A., C. and D. redrawn from Jilek & Crites 1982 a; B. redrawn from Mueller & Van Cleave 1932)
Fig. 2 in New Geographic Record Of Myxobolus portulacalensis (Saraiva & Molnar, 1990) And Spinitectus Inermis (Zeder, 1800) In European Eel (Anguilla Anguilla) Parasite Communities From Latvia Freshwaters
Fig. 2. Male Spinitectus inermis (Zeder, 1800) body from stomach of European eel (Anguilla anguilla) caught in Lake Usma, Latvia (100 x magnification). A - anterior end; B – posterior end.
Fig. 1 in New Geographic Record Of Myxobolus portulacalensis (Saraiva & Molnar, 1990) And Spinitectus Inermis (Zeder, 1800) In European Eel (Anguilla Anguilla) Parasite Communities From Latvia Freshwaters
Fig. 1. Spores of Myxobolus portucalensis (Saraiva and Molnar, 1990) from fins of European eel (Anguilla anguilla) caught in Lake Usma, Latvia (600 x magnification).
Fig. 5 in Additional data on Spinitectus petterae (Nematoda: Rhabditida) from Clarias gariepinus (Siluriformes: Clariidae) in the Vaal River system: conserved morphology or high intraspecific genetic variability?
Fig. 5. Scanning electron micrographs of immature female of Spinitectus petterae Boomker, 1993 collected from Clarias gariepinus (Burchell). A – apical view of cephalic region; B – vulva; C – conical tail end; D – conical tail. Abbrevations: A – anus; CA – caudal papilla; L – labium; MT – mucron tip; PL – pseudolabium.
Fig. 4 in Additional data on Spinitectus petterae (Nematoda: Rhabditida) from Clarias gariepinus (Siluriformes: Clariidae) in the Vaal River system: conserved morphology or high intraspecific genetic variability?
Fig. 4. Illustrations of Spinitectus petterae Boomker, 1993 – male, reproductive structures and tail end. A – lateral aspect of posterior section with left and right spicules, and associated structures; B – tip of left spicule from two views and tip of the right spicule with fleshy extension; C – ventral aspect of posterior section with caudal papillae and cloacal opening. Abbreviation: C – cloacal opening; CCO – cytoplasmic core opening; LS – left spicule; LSB – left spicule blade; LSS – left spicule shaft; M – manubrium; PcP – postcloacal papillae; PP – precloacal papillae; RP – rugosa plates; RS – right spicule; SM – spicule muscle; SP – spicular pouch; VD – vas deferens.
Fig. 7 in Additional data on Spinitectus petterae (Nematoda: Rhabditida) from Clarias gariepinus (Siluriformes: Clariidae) in the Vaal River system: conserved morphology or high intraspecific genetic variability?
Fig. 7. Phylogenetic relationships of Spinitectus spp. based on available cox1 mtDNA for Spinitectus based on Bayesian inference (BI)), with Rhabdochona xiphophori Caspeta-Mandujano, Moravec et Salgado-Maldonado, 2001 as the designated outgroup. Posterior probability (BI) and 1,000 bootstrap replicate (maximum likelihood (ML)) support indicated (BI/ML), nodes with less than 0.5 (50 %) support not annotated. Data shaded in colour from indicated geographical locality or river system, and three haplotypes recorded from the Vaal River system indicated (VRS1–VRS3).
Fig. 2 in Additional data on Spinitectus petterae (Nematoda: Rhabditida) from Clarias gariepinus (Siluriformes: Clariidae) in the Vaal River system: conserved morphology or high intraspecific genetic variability?
Fig. 2. Light and scanning electron micrographs of adult females of Spinitectus petterae Boomker, 1993 collected from Clarias gariepinus (Burchell). A – neck showing spines on annular rings; B – first three rings on neck, rings indicated numerically and spine length measurement illustrated; C – apical view of the cephalic region; D – lateral view of cephalic region; E – apical view of cephalic structures; F – excretory pore; G – diminishing spines; H – posterior end; inlay gonopore with vulva I – posterior end with gonopore, vulva position indicated; J – conical tail tip; K – conical tail and mucron tip. Abbreviations: A – anus; AP – amphid; CP – cephalic papillae; L – labia; MT – mucron tip; PL – pseudolabia; PS – porous structure; OO – oral opening; V – vulva; SL – sublabium.
Fig. 1. A in Additional data on Spinitectus petterae (Nematoda: Rhabditida) from Clarias gariepinus (Siluriformes: Clariidae) in the Vaal River system: conserved morphology or high intraspecific genetic variability?
Fig. 1. A – map of South Africa; B – map of the river systems in the inlay showing the sampling sites where Spinitectus petterae Boomker, 1993 was collected in Clarias gariepinus (Burchell). Abbreviations: 1 – down-stream of the Vaal River Barrage; 2 – in the Vaal Dam reservoir; 3 – down-stream of the Grootdraai Dam; 4 – Crocodile River.
FIGURE 66. Spinitectus carolini Holl, 1928. A in Guide to the Parasites of Fishes of Canada Part V: Nematoda
FIGURE 66. Spinitectus carolini Holl, 1928. A. adult, en face view; B. adult, anterior end, lateral view; C. adult male, posterior end, lateral view; D. adult female, mid-section, vaginal region. (A., C. and D. redrawn from Jilek & Crites 1982a; B. redrawn from Mueller & Van Cleave 1932)
Figure 2 from: González-Solís D, Soler-Jiménez LC, Aguirre-Macedo ML, Mclaughlin JP, Shaw JC, James AK, Hechinger RF, Kuris AM, Lafferty KD, Vidal-Martínez VM (2019) Parasitic nematodes of marine fishes from Palmyra Atoll, East Indo-Pacific, including a new species of Spinitectus (Nematoda, Cystidicolidae). ZooKeys 892: 1-26. https://doi.org/10.3897/zookeys.892.38447
Figure 2 Spinitectus (Paraspinitectus) palmyraensis sp. nov. scanning electron micrographs. A, B anterior end of gravid female, apical and subapical views, respectively C detail of mouth, apical view D anterior end body, lateral view (arrow indicates deirids) E region of excretory pore, ventral view (arrow indicates the excretory pore) F deirids. Abbreviations: b submedian papilla, l labium, p pseudolabium, s sublabium.
Figure 3 from: González-Solís D, Soler-Jiménez LC, Aguirre-Macedo ML, Mclaughlin JP, Shaw JC, James AK, Hechinger RF, Kuris AM, Lafferty KD, Vidal-Martínez VM (2019) Parasitic nematodes of marine fishes from Palmyra Atoll, East Indo-Pacific, including a new species of Spinitectus (Nematoda, Cystidicolidae). ZooKeys 892: 1-26. https://doi.org/10.3897/zookeys.892.38447
Figure 3 Spinitectus (Paraspinitectus) palmyraensis sp. nov. scanning electron micrographs. A transition zone of spination, lateral view B larger spines with pore-like on bases C posterior end of male showing area rugosa, sublateral view D tail of male, ventral view E region of cloaca, ventral view (asterisks indicate precloacal papillae) F tail tip of male, ventral view G posterior end female, lateral view (arrow indicates phasmid) H detail of tail tip.
Figure 1 from: González-Solís D, Soler-Jiménez LC, Aguirre-Macedo ML, Mclaughlin JP, Shaw JC, James AK, Hechinger RF, Kuris AM, Lafferty KD, Vidal-Martínez VM (2019) Parasitic nematodes of marine fishes from Palmyra Atoll, East Indo-Pacific, including a new species of Spinitectus (Nematoda, Cystidicolidae). ZooKeys 892: 1-26. https://doi.org/10.3897/zookeys.892.38447
Figure 1 Spinitectus (Paraspinitectus) palmyraensis sp. nov. A anterior extremity of male, lateral view B, C cephalic end, apical and lateral views, respectively D region of vulva, lateral view E spines from different parts of body F anterior end, showing incomplete rows of spines G region of mid-body, showing missing spines H tail of female, ventral view I small spicule, lateral view J posterior end of male, lateral view.
Fig. 6 in Additional data on Spinitectus petterae (Nematoda: Rhabditida) from Clarias gariepinus (Siluriformes: Clariidae) in the Vaal River system: conserved morphology or high intraspecific genetic variability?
Fig. 6. Phylogenetic relationships of Spinitectus spp. based on available 18S rDNA, based on the Bayesian (BI) method, with Rhabdochona xiphophori Caspeta-Mandujano, Moravec et Salgado-Maldonado, 2001 and Rhabdochona mazeedi Prasad et Sahay, 1965 serving as outgroups. Posterior probability (BI) and 1,000 bootstrap replicate (maximum likelihood (ML)) support indicated (BI/ML), nodes with less than 0.5 (50 %) support not annotated. Data shaded in colour indicate geographical locality or river system.
Fig. 3 in Additional data on Spinitectus petterae (Nematoda: Rhabditida) from Clarias gariepinus (Siluriformes: Clariidae) in the Vaal River system: conserved morphology or high intraspecific genetic variability?
Fig. 3. Scanning electron micrographs of adult males of Spinitectus petterae Boomker, 1993 collected from Clarias gariepinus (Burchell). A – posterior section with extended left spicule; B – rugosa plates; C – two pairs of three post-cloacal papillae; D – base of left spicule and tip of right spicule protruding from cloaca; E – left spicule extended to cytoplasmic core opening; F – excised left spicule with inlay of cytoplasmic core opening; G – spicule blade with V-shaped velum, and terminal cytoplasmic core opening; H – spicule blade; I – ventral view of velum; J – excised and undigested right spicule; K, L – lateral and ventral aspect of the digested right spicule, respectively. Abbreviations: CCO – cytoplasmic core opening; FE – fleshy extension; LS – left spicule; M – manubrium; PcP – postcloacal papillae; PP – precloacal papillae; RP – rugosa plates; RS – right spicule; SB – spicule blade; SM – spicule muscle; ST – spicule tip; TCO – terminal cytoplasmic core opening; V – velum.
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