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125 results for “Chordodes”
FIGURE 1 in One new species and a new record of the genus Chordodes (Nematomorpha: Gordiida) from North-East India
FIGURE 1. Specimens of Chordodes with their hosts. (A) C. moutoni with its host, Hierodula sp. (B) C. lasuboni n. sp. with its host, Hierodula sp.
FIGURE 3 in One new species and a new record of the genus Chordodes (Nematomorpha: Gordiida) from North-East India
FIGURE 3. Chordodes moutoni, scanning electron micrographs of areoles. (A) Simple areoles (sa) and one tubercle areole (tar) in the posterior region, including club-shaped simple areoles. (B) Simple areoles with small tuft of bristles from mid-body region. (C) Thorn areole (thar) among simple and tubercle areoles. (D) Pair of crowned areoles. (E) Crowned areoles with long filaments. Note two encircled thorn areoles. (F) Lateral view on cluster of crowned areoles (cra) and circumcluster areoles (cca).
FIGURE 5 in One new species and a new record of the genus Chordodes (Nematomorpha: Gordiida) from North-East India
FIGURE 5. Chordodes lasuboni, scanning electron micrographs. (A) Overview of ventral mid-line with crowned areoles carrying long filaments. (B) Crowned areole cluster with long filaments with tubercle areoles (tar) and one thorn areole (tha) in proximity. (C) Almost lateral view of crowned areole cluster showing crowned areoles (cra), circumcluster areoles (cca), tubercle areole (tar) and thorn areole (thar). (D) Large cluster of crowned areoles, probably created by two very close clusters with a pair of crowned areoles in each cluster. (E) Overview of the anterior end. (F) Altered cuticular structure present at the anterior end. A and B from posterior region, C and D from anterior region of the worm.
FIGURE 1. Chordodes combiareolatus n in Chordodes combiareolatus, a new species of horsehair worms (Nematomorpha) from Nagaland, India, with further comments on Chordodes moutoni
FIGURE 1. Chordodes combiareolatus n. sp. A. Cuticle in mid-body region with simple areoles (sar) and tubercle areoles (tuar), showing also the cuticular surface between areoles. B. Tubercle areole with strongly displaced tubercle. C. Thorn areole (thar). D. Position of crowned areole clusters on lateral body sides (encircled) and of crowned areole clusters with long filaments along the ventral midline (arrows). E. Crowned areole cluster composed of a pair of crowned areoles (crar) and surrounding circumcluster areoles (ccar). F. Overview showing the mixed occurrence of crowned areole clusters (encircled) and clusters with a flat central surface (dotted circles). G. Magnification of a cluster with a flat central surface.
FIGURE 3. Chordodes moutoni. A in Chordodes combiareolatus, a new species of horsehair worms (Nematomorpha) from Nagaland, India, with further comments on Chordodes moutoni
FIGURE 3. Chordodes moutoni. A. Cuticle in mid-body region with simple areoles and tubercle areoles (encircled). B. Crowned areole clusters along the ventral mid-line with very long apical filaments. C. Clusters with a flat central surface (encircled). D. Magnification of a cluster with a flat central surface. E. Pattern of areoles in the anterior end. F. Posterior end with terminal cloacal opening (arrow).
FIGURE 2. Chordodes combiareolatus n in Chordodes combiareolatus, a new species of horsehair worms (Nematomorpha) from Nagaland, India, with further comments on Chordodes moutoni
FIGURE 2. Chordodes combiareolatus n. sp. A. Overview on the anterior end and its cuticular structures. B. Areoles with a strong tuft of apical filaments and some tubercles in the anterior end. C. Overview on the posterior end with terminal cloacal opening (arrow). D. The terminal cloacal opening (arrow) is surrounded by a smooth region. Note the longitudinal groove. E. Transition between the smooth region and the areoles on the posterior end.
FIGURE 8. A–L. Chordodes moutoni, images shown are from specimens 3 in Nematomorpha from the Philippines, with description of two new species
FIGURE 8. A–L. Chordodes moutoni, images shown are from specimens 3 (= male 2) and 5 (= female 2). A. Overview on the cuticle in midbody in female (2). Among simple areoles are crowned areole clusters (crcl), bulging areoles (selectively encircled) and tubercle areoles (arrow). B. Magnification of a crowned areole cluster in female (2) composed of central crowned areoles and peripheral circumcluster areoles. C. Crowned areole cluster in male (2). D. Thorn in female (2). E. Thorn (thar) and crowned areoles in male (2). F. Crowned areoles with long filaments in female (2). G. Cuticular structure in specimen (1), showing crowned areole clusters, bulging areoles (bar) and tubercle areoles (tuar). H. Posterior end of female (2) with view on the ventral midline (vml). I. Magnification of the ventral midline. J. Structure of the cuticle close to the posterior end of female (2). Tubercle areoles (tuar) are encircled, bulging areoles (bar) are abundant. K. Ventral view on the posterior end of male (2) with position of the cloacal opening (co). L. Magnification of K showing spines in the region of the cloacal opening. M, N. Chordodes sp., posterior end (M) and cuticular structure (N).
FIGURE 7. Chordodes caledoniensis. A in Nematomorpha from the Philippines, with description of two new species
FIGURE 7. Chordodes caledoniensis. A. Both specimens emerging simultaneously from specimen of Theopompa sp. (Mantodea). For investigation, specimens were completely removed from their host. B–G from specimen (2), H–J from specimen (1). B. Ventral side showing the arrangement of crowned areole clusters with long filaments (arrows) along both sides of the ventral midline (white line). C, D. Structure of crowned areoles (crar), circumcluster areoles (ccar), tubercle areoles (tuar) and bulging areoles (bar). E. Magnification of clusters with crowned areoles with long filaments. F. The posterior end is partly covered by larval cuticle (lc). G. Areoles in the posterior end are further apart from each other than in anterior regions. H. Body is almost completely wrapped in larval cuticle (lc), which is torn open in many places. I, J. Larval cuticle is open above clusters with crowned areoles.
FIGURE 3.Chordodes tjorvenae, n in New records of Indian Nematomorpha, with the description of a new species from the genus Chordodes
FIGURE 3.Chordodes tjorvenae, n. sp., additional specimens. A–C: specimen (1), D–H: specimen (2), I–K: specimen (3). A. Thorn areole (thar) surrounded by two large areoles. B. Curved tubercle or thorn. C. Cluster containing crowned areoles with long apical filaments. Adjacent to the cluster is a thorn areole (thar). D. Simple areoles and one tubercle areole with distinctly curved tubercle (encircled). E. Magnification of tubercle areole. F. Cluster of crowned areoles with short filaments. G. Magnification of crowned areoles. H. Lateral view on cluster. I–K. Cluster with crowned areoles and different magnifications of areoles.
FIGURE 5.Acutogordius finni.A–C in New records of Indian Nematomorpha, with the description of a new species from the genus Chordodes
FIGURE 5.Acutogordius finni.A–C from specimen (1), D–F from specimen (2). A. The body cuticle contains short spines (encircled). B. In the ventral midline, cuticular spines are arranged in two longitudinal rows. C. Posterior end with cloacal opening (co), postcloacal crescent (pcc) and converging tail lobes. D. Posterior end showing the position of images E and F. E. Solid spines are present at the ends of the postcloacal crescent, in the anterior region of the inner side of the tail lobes. F. Spines on the cuticle become longer and more slender towards the end of the body.
FIGURE 4 in New records of Indian Nematomorpha, with the description of a new species from the genus Chordodes
FIGURE 4.Chordodes sp., cuticular details. A. Posterior end of specimen (1) with ventral cloacal opening (co). B. Detail of region around cloacal opening (co) with circumcloacal spines (ccs). C, D. Crowned areole clusters with eroded apical structures and bulging areoles (in D, selectively encircled) from specimen (2). E, F. Clusters (in E) and bulging areoles (in F) of specimen (3). G. Cluster in specimen (4). H. Curved and twisted tubercle areole in specimen (4). I. Some entire crowned areoles are present in specimen (4). J. Simple areoles and straight tubercle in specimen (5). K. Cluster in specimen (6). L. Cluster containing crowned areoles with long filaments in specimen (7). M. Curved thorn in specimen (7).
FIGURE 2.Chordodes tjorvenae, n in New records of Indian Nematomorpha, with the description of a new species from the genus Chordodes
FIGURE 2.Chordodes tjorvenae, n. sp., holotype. A. Posterior end with terminal cloacal opening (co). The ventral midline (ml) is indicated. B. Radial furrows are present around the cloacal opening (co). C. In the posterior region cuticular structures are stongly modified and more tubercles are present than in other body regions. D. In the region anterior to C areoles are present and the majority resembles crowned areoles. E. On both sides of the ventral midline, pairs of crowned areoles (selective pairs are encircled) are present. F. Magnification of crowned areoles from E, with abundant tubercles (arrows).
FIGURE 1.Chordodes tjorvenae, n in New records of Indian Nematomorpha, with the description of a new species from the genus Chordodes
FIGURE 1.Chordodes tjorvenae, n. sp., holotype. A. Simple areoles (sar) and one thorn areole (thar) enclosed between two larger (bulging) areoles. B, C. Cluster of crowned and circumcluster areoles (encircled in B), showing similar appearance of both types of areoles. Arrows point to tubercle areoles. D. Magnification of largest crowned areoles showing their fine structure. E. Clusters containing crowned areoles with long apical filaments along one side of the ventral midline. Arrow indicates one thorn areole. F. Magnification showing fine structure of areoles with long filaments.
FIGURE 1 in Fine morphology of the cuticle surface of Chordodes anthophorus and reinterpretation of C. aquaeductus, C. ferganensis and C. oscillatus (Gordiida Nematomorpha)
FIGURE 1. Lectotype Chordodes anthophorus SEM: (A) female posterior end with cloacal opening (arrow), (B) General view of the midbody cuticle with simple areoles with short bristles at the centre of the apical surface (1a), simple areoles with smooth surface (1b), tubercle (2), crowned (3) and circumcluster areoles (4). (C) Cuticle of the lateral side of the body with simple, tubercle, crowned and circumcluster areoles (numbering as in B) (see two cluster areoles arranged very close). (D) High magnification of two types of simple areoles (1 and 2) and tubercle areole. (Bars: (A): 100µm; (B, C): 20µm; (D): 10µm.
FIGURE 3 in Fine morphology of the cuticle surface of Chordodes anthophorus and reinterpretation of C. aquaeductus, C. ferganensis and C. oscillatus (Gordiida Nematomorpha)
FIGURE 3. Cuticle of the midbody: (A) specimen labelled as "Chordodes moutoni" (ZIS 97); (B) [Chordodes aquaeductus] (ZIS 90); (C and D) [Chordodes ferganensis] (ZIS 100); (C) Cuticle of the body with simple, tubercle, crowned and circumcluster areoles (numbering as in Fig. 1B), (D) Cluster of crowned areoles with long filaments (5) along the ventral midline; (E and F) [Chordodes oscillatus] (ZIS 102), midbody cuticle showing four areolar types with the same characteristics of Chordodes anthophorus. Bars: (A and C): 20µm; (B, and F): 20µm; (D): 50 µm; (E):10µm.
FIGURE 2 in Fine morphology of the cuticle surface of Chordodes anthophorus and reinterpretation of C. aquaeductus, C. ferganensis and C. oscillatus (Gordiida Nematomorpha)
FIGURE 2. Lectotype Chordodes anthophorus SEM: Cluster of crowned areoles with long filaments (5) along the ventral midline. (Bar: 20µm).
FIGURE 1 in Scanning electron microscopy of Chordodes moutoni Camerano, 1895 (Gordiida, Nematomorpha)
FIGURE 1: SEM. Lectotype male. A: complete view of the posterior end from the ventral side, cloacal opening (c) with circumcloacal spines, cuticle with short bristles (small arrow) and bristlefields anterolateral of the cloacal opening (large arrow), scale bar= 100 µm; B: general view of midbody cuticle, scale bar= 250 µm; C: midbody cuticle, areoles types 1–3, scale bar= 10 µm; D: lateral view of midbody cuticle, areoles types 1–5, scale bar= 25 µm; E: areolar clusters containing types 4 and 5 on lateral body, scale bar= 10 µm.
FIGURE 2 in Scanning electron microscopy of Chordodes moutoni Camerano, 1895 (Gordiida, Nematomorpha)
FIGURE 2: SEM. Lectoparatype female. A: posterior end with terminal cloacal opening (large arrow) and short bristles (small arrow), scale bar= 50 µm; B: crowned areoles (type 6) with long filaments in the longitudinal ventral groove, scale bar= 250 µm; C: areolar clusters in detail containing types 5 and 6 in the ventral midline, scale bar= 10 µm.
Figure 2 in Revision of the genus Chordodes (Gordiida: Nematomorpha) from Africa IV. Ultrastructural redescription of Chordodes congolensis Sciacchitano, 1933, Chordodes ferox Camerano, 1897, Chordodes madagascariensis (Camerano, 1893), Chordodes mobensis Sciacchitano, 1958 and reinterpretation of Chordodes maculatus Sciacchitano, 1958 and Chordodes kakandensis Sciacchitano, 1958
Figure 2. Holotype of Chordodes ferox. (A) Overview of cuticle showing simple, tubercle, crowned and circumcluster areoles; (B) thorn and tubercle areoles; (C) longitudinal furrow showing crowned areoles with long filaments. Scale bars: 20 µm (A), 10 µm (B), 50 µm (C).
Figure 4 in Revision of the genus Chordodes (Gordiida: Nematomorpha) from Africa IV. Ultrastructural redescription of Chordodes congolensis Sciacchitano, 1933, Chordodes ferox Camerano, 1897, Chordodes madagascariensis (Camerano, 1893), Chordodes mobensis Sciacchitano, 1958 and reinterpretation of Chordodes maculatus Sciacchitano, 1958 and Chordodes kakandensis Sciacchitano, 1958
Figure 4. Chordodes madagascariensis. (A) Holotype. Two areolar clusters of crowned areoles arranged very close to each other; (B) holotype. Detail of cluster of crowned areoles; (C) crowned areoles with long filaments along the ventral midline of the female specimen (AMT 1405). Scale bars: 20 µm (A, C), 10 µm (B).
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