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26 results for “Ergasilida”
Fig. 2 in An alien parasite affects local fauna-Confirmation of Sinergasilus major (Copepoda: Ergasilidae) switching hosts and infecting native Silurus glanis (Actinopterygii: Siluridae) in Hungary
Fig. 2. Evolutionary history of Sinergasilus based on Bayesian Inference (BI) analysis of 18S rDNA with Ergasilus anchoratus Markewitsch, 1940 designated as outgroup. Support for both maximum likelihood (ML, 1000 bootstrap replicates) and BI (10 million MCMC) indicated at nodes (ML/BI), only nodes with more than 50% support annotated.
Fig. 1 in An alien parasite affects local fauna-Confirmation of Sinergasilus major (Copepoda: Ergasilidae) switching hosts and infecting native Silurus glanis (Actinopterygii: Siluridae) in Hungary
Fig. 1. Micrographs using light microscopy (LM) and scanning electron microscopy (SEM) of Sinergasilus major; (A) Total body (SEM), (B) rostral plate with integumental pores and tactile setules (SEM), (C) thoracic plate with pectinate denticles (SEM), (D) ventral aspect of cephalon (SEM), (E) everted mouth (SEM), (F) inverted mouth (SEM), (G) ventral view of mouth parts (SEM), (H) mouth parts (LM). A1 – antennule 1, A2 – antenna, Ip – integumental pore, Gs – genital somite, Lb – labium, Lr – labrum, M – mouth, Md – mandible, Ml – maxillule, Mx – maxilla, Ps4 – pedigerous somite 4, Pd – pectinate denticles, Tp – thoracic plate, Ts – tactile setules.
FIGURE 6. Gamispatulus ferrilongus n in Two Gamispatulus Thatcher & Boger, 1984 (Cyclopoida: Ergasilidae) from Schizodon intermedius Garavello & Britski (Actinopterygii: Anostomidae), with description of a new species
FIGURE 6. Gamispatulus ferrilongus n. sp.—adult female. A urosome, ventral view. B intercoxal sclerites and intercoxal plates. C fifth pedigerous somite and genital double-somite, dorsal view. D antenna, second endopodal segment with a distal pore (white arrowhead) and middle claw with fossa on concave margin (black arrowhead). Ap = anterior processes. isI to isIV = first to fourth intercoxal sclerites. ipI to ipIII = first to third intercoxal plates. P5 = fifth leg. Pp = posterior processes. S1 to S4 = seta 1 to seta 4. A, B, C, D—holotype INPA 2521. Scale bars in micrometers (µm).
FIGURE 5. Gamispatulus ferrilongus n in Two Gamispatulus Thatcher & Boger, 1984 (Cyclopoida: Ergasilidae) from Schizodon intermedius Garavello & Britski (Actinopterygii: Anostomidae), with description of a new species
FIGURE 5. Gamispatulus ferrilongus n. sp.—adult female. A body, dorsal view. B cephalothorax, dorsal view. C second pedigerous somite, dorsal view, with paired integumental windows laterally on tergite (arrowhead). D rostral spine. E antennule. Ae = aesthetascs. A, C—holotype INPA 2521. B, D—paratype INPA 2522a. E—paratype INPA 2524a. Scale bars in micrometers (µm).
FIGURE 3 in Two Gamispatulus Thatcher & Boger, 1984 (Cyclopoida: Ergasilidae) from Schizodon intermedius Garavello & Britski (Actinopterygii: Anostomidae), with description of a new species
FIGURE 3. Gamispatulus schizodontis Thatcher & Boeger, 1984—adult female. A buccal apparatus. B labrum. C mandible. D maxilla, syncoxa with pore (arrowhead). Ab = anterior blade. Pb = posterior blade. A, C, D, E—Specimen INPA 2529b. Scale bars in micrometers (µm).
FIGURE 2 in Two Gamispatulus Thatcher & Boger, 1984 (Cyclopoida: Ergasilidae) from Schizodon intermedius Garavello & Britski (Actinopterygii: Anostomidae), with description of a new species
FIGURE 2. Gamispatulus schizodontis Thatcher & Boeger, 1984—adult female. A intercoxal sclerites and intercoxal plates, ventral view. B urosome, ventral view. C antenna, middle claw with fossa on concave margin (arrowhead). D antennule. Ae = aesthetascs. isI to isIV = first to fourth intercoxal sclerites. ipI to ipIII = first to third intercoxal plates. P5 = fifth leg. S1 = seta 1. S2 = seta 2. A, B, C—Specimen INPA 2527a. D—Specimen INPA 2529a. Scale bars in micrometers (µm).
FIGURE 2. Pseudovaigamus tridentatus n in A new species of Pseudovaigamus Amado, Ho & Rocha, 1984 (Cyclopoida Ergasilidae) from the teleost Pimelodus maculatus Lacepède, 1803
FIGURE 2. Pseudovaigamus tridentatus n. sp.—adult female. A urosome, dorsal view. B intercoxal sclerites and intercoxal plates, ventral view. C buccal apparatus. is1 to is4 = first to fourth intercoxal sclerites. ip1 to ip3 = first to third intercoxal plates. P5 = fifth leg. S1 = seta 1. S2 = seta 2. S3 = seta 3. S4 = seta 4. Scale bars in µm.
FIGURE 3. Pseudovaigamus tridentatus n in A new species of Pseudovaigamus Amado, Ho & Rocha, 1984 (Cyclopoida Ergasilidae) from the teleost Pimelodus maculatus Lacepède, 1803
FIGURE 3. Pseudovaigamus tridentatus n. sp.—adult female. A leg 1. B leg 2. C leg 3. D leg 4. Scale bars in µm.
FIGURE 5 in A new species of Pseudovaigamus Amado, Ho & Rocha, 1984 (Cyclopoida Ergasilidae) from the teleost Pimelodus maculatus Lacepède, 1803
FIGURE 5. Morphological variation of retrostylets in vaigamid genera. A Gamispatulus schizodontis Thatcher & Boeger, 1984 from Thatcher & Boeger (1984a), with spatulate process (seta). B Gamispinus diabolicus Thatcher & Boeger, 1984 from Thatcher & Boeger (1984b). C Gamidactylus piranhus Thatcher, Santos & Brasil-Sato, 2008 from Thatcher et al. (2008). D Vaigamus retrobarbatus Thatcher & Robertson, 1984 from Thatcher & Robertson (1984), with innermost portion extending posteriorly (seta). E Pseudovaigamus spinicephalus (Thatcher & Robertson, 1984) from Thatcher & Robertson (1984), with innermost portion extending posteriorly (seta). F Pseudovaigamus tridentatus n. sp., with innermost portion extending posteriorly (seta). Scale bars in µm.
Figure 5 in Spatial distribution of Neoergasilus japonicus (Copepoda: Ergasilidae) on the fins of bluegill (Lepomis macrochirus)
Figure 5. Minimum distances of individuals between Neoergasilus japonicus on the left (A) and right (B) sides in the soft ray area of the dorsal fin of Lepomis macrochirus. Dots show the positions of copepods, and 30 and 35 minimum distances were measured.
Figure 4 in Spatial distribution of Neoergasilus japonicus (Copepoda: Ergasilidae) on the fins of bluegill (Lepomis macrochirus)
Figure 4. Available areas (= Thiessen polygons) for individuals of Neoergasilus japonicus on the left (A) and right (B) sides in the soft ray area of the dorsal fin of Lepomis macrochirus. Dots show the positions of copepods, and the available areas were measured for 23 and 25 polygons on the left and right sides, respectively.
Figure 3 in Spatial distribution of Neoergasilus japonicus (Copepoda: Ergasilidae) on the fins of bluegill (Lepomis macrochirus)
Figure 3. Proportion of occurrence of Neoergasilus japonicus on various sections of the dorsal (A) and anal (B) fins of Lepomis macrochirus at different numbers of copepods (1–10, 11–20, 21–30 and> 31 in the dorsal fin; 1–5, 6–10, 11–15 and> 16 in the anal fin). The number of L. macrochirus examined is shown in parentheses.
Figure 2 in Spatial distribution of Neoergasilus japonicus (Copepoda: Ergasilidae) on the fins of bluegill (Lepomis macrochirus)
Figure 2. Number of Neoergasilus japonicus on various sections of the dorsal (A) and anal (B) fins of Lepomis macrochirus.
FIG. 3. Paraergasilus dichotomus n in Biogeography and phylogeny of Paraergasilus Markevich, 1937 (Copepoda: Ergasilidae) with descriptions of two new species from the gills of grey mullet
FIG. 3. Paraergasilus dichotomus n. sp. Adult female. (A) First swimming leg, anterior; (B) second swimming leg, anterior; (C) fourth swimming leg, anterior; (D) ®fth leg. Scale bars in mm.
FIG. 4. Paraergasilus curtus n in Biogeography and phylogeny of Paraergasilus Markevich, 1937 (Copepoda: Ergasilidae) with descriptions of two new species from the gills of grey mullet
FIG. 4. Paraergasilus curtus n. sp., adult female. (A) Dorsal view; (B) antenna; (C) antennary claws; (D) ®rst swimming leg, anterior. Scale bars in mm.
FIG. 2. Paraergasilus dichotomus n in Biogeography and phylogeny of Paraergasilus Markevich, 1937 (Copepoda: Ergasilidae) with descriptions of two new species from the gills of grey mullet
FIG. 2. Paraergasilus dichotomus n. sp. Adult female. (A) Antennule; (B) antenna; (C) antennary claws. Scale bars in mm.
FIG. 1. Paraergasilus dichotomus n in Biogeography and phylogeny of Paraergasilus Markevich, 1937 (Copepoda: Ergasilidae) with descriptions of two new species from the gills of grey mullet
FIG. 1. Paraergasilus dichotomus n. sp. Adult female. (A) Dorsal view; (B) genital double-somite and free abdominal somites, ventral; (C) mouthparts (m 5 maxilla, ml 5maxillule, mn 5 mandible). Scale bars in mm.
Figure 11-12 from: Marques TM, Boeger WA (2018) Proposal of Tiddergasilus gen. nov. (Ergasilidae: Cyclopoida) for T. iheringi comb. nov. from the gills of Hoplias malabaricus (Erythrinidae: Characiformes) from Brazil. Zoologia 35: 1-6. https://doi.org/10.3897/zoologia.35.e21577
Figure 11-12 (11) Morphological phylogeny of 15 genera of Ergasilidae showing Bremer support values and character changes supporting each node. Bremer support values are indicated in gray numerals; characters that indicate a homoplasy or reversal events are indicated. (12) Morphological phylogeny of 15 genera of Ergasilidae without the Character 3, showing Bremer support values and character changes supporting each node. Bremer support values are indicated in gray numerals; characters that indicate a homoplasy or reversal events are indicated.
Figures 1-10 from: Marques TM, Boeger WA (2018) Proposal of Tiddergasilus gen. nov. (Ergasilidae: Cyclopoida) for T. iheringi comb. nov. from the gills of Hoplias malabaricus (Erythrinidae: Characiformes) from Brazil. Zoologia 35: 1-6. https://doi.org/10.3897/zoologia.35.e21577
Figures 1-10 Tiddergasilus iheringi comb. nov. adult female. (1) dorsal view; (2) egg sac; (3) antennule; (4) urosome, caudal ramus; (5) mouth parts; (6) antenna; (7) leg 1; (8) leg 2; (9) leg 3; (10) leg 4. Scale bars: 1–2 = vertical 250 μm, 3–10 = 50 μm.
Figure 1 in Spatial distribution of Neoergasilus japonicus (Copepoda: Ergasilidae) on the fins of bluegill (Lepomis macrochirus)
Figure 1. Sections within the dorsal and anal fins of Lepomis macrochirus.
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