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Fig. 1 in Copepod consumption by amphibians and fish with implications for transmission of Dracunculus species

Fig. 1. Average copepods ingested by animal type during the feeding trial. Bars represent average copepods ingested, error bars represent standard error, and dotted line shows average copepod loss in control trials. Significant differences (p <0.05) determined by Tukey post-hoc contrasts are indicated by 'a', 'b', and 'c'.

Fig. 5 in A new dracunculus species (Nematoda: Dracunculoidea) in neotropical otters (Lontra longicaudis) from Argentina: morphological and molecular characterization

Fig. 5. Maximum-likelihood trees constructed from (a) 18S rRNA and (b) COI sequences of Dracunculus jaguape n. sp. from Lontra longicaudis in Argentina compared with available sequences. Best-fitting substitution models using the Maximum-Likelihood model test were determined with the Akaike Information Criterion. Kimura 2-parameter was selected as the best model for 18S rRNA and Tamura-Nei with a discrete Gamma distribution was selected as the best model for COI. Numbers represent bootstrap support generated from 1000 replications. GenBank accession numbers are shown. Boldface indicates the strain identified in this study. Scale bars indicate nucleotide substitutions/site.

Fig. 4. Dracunculus jaguape n in A new dracunculus species (Nematoda: Dracunculoidea) in neotropical otters (Lontra longicaudis) from Argentina: morphological and molecular characterization

Fig. 4. Dracunculus jaguape n. sp. (a) Cephalic extremity of a male, lateral view. (b) Male tail, lateral view showing the spicules, and papillae. (c) Schematic male tail in ventral view. (d) Detailed of the spicule. (e) Detail of the gubernaculum.

Fig. 3. Dracunculus jaguape n in A new dracunculus species (Nematoda: Dracunculoidea) in neotropical otters (Lontra longicaudis) from Argentina: morphological and molecular characterization

Fig. 3. Dracunculus jaguape n. sp. (a) Anterior extremity of a male showing the oesophagus swelling, deirid and nerve ring. (b) Cephalic extremity, lateral view showing the cephalic papillae. (c) Anterior extremity of a gravid female. (d) Cephalic extremity, lateral view. (e) Detail of dorsal papillae, (f) Larvae with long and tapered tail, removed from the uterus. a: anus, d: deirid, ep: excretory pore, nr: nerv ring, s: glandular oesophagus swelling, o-i: oesophagus-intestine junction, p: papillae.

Fig. 2 in A new dracunculus species (Nematoda: Dracunculoidea) in neotropical otters (Lontra longicaudis) from Argentina: morphological and molecular characterization

Fig. 2. Neotropical otters (Lontra longicaudis) dead and Dracunculus parasites in subcutaneous tissues.

Fig. 4 in Otterly diverse - A high diversity of Dracunculus species (Spirurida: Dracunculoidea) in North American river otters (Lontra canadensis)

Fig. 4. Large clusters of Dracunculus insignis in paws (A) and joint (B) of North American river otter (Lontra canadensis) from Missouri, USA.

Fig. 3 in Otterly diverse - A high diversity of Dracunculus species (Spirurida: Dracunculoidea) in North American river otters (Lontra canadensis)

Fig. 3. Surgical removal of a Clade 2 Dracunculus sp. (FL15-33934) from a North American river otter (Lontra canadensis) from Florida, USA.

Fig. 1 in Otterly diverse - A high diversity of Dracunculus species (Spirurida: Dracunculoidea) in North American river otters (Lontra canadensis)

Fig. 1. Distribution of Dracunculus spp. in North American river otters (Lontra canadensis) in North America. Species identifications are based on molecular identification or male morphology.

Fig. 2 in Otterly diverse - A high diversity of Dracunculus species (Spirurida: Dracunculoidea) in North American river otters (Lontra canadensis)

Fig. 2. Posterior end of a male worm of a Clade 1 Dracunculus sp. (NC-otter8C) from a North American river otter (Lontra canadensis) from North Carolina showing the paired spicules (A), gubernaculum (B, C), and the bulbous posterior end of the tail (D).

Fig. 5 in Otterly diverse - A high diversity of Dracunculus species (Spirurida: Dracunculoidea) in North American river otters (Lontra canadensis)

Fig. 5. Genetic relationships of Dracunculus spp. from North American river otters (Lontra canadensis) compared with other Dracunculus spp. based on partial cytochrome c oxidase subunit 1 gene sequences. The text in bold in the figure represents specimens analyzed in this study. Sequences with an asterisk (*) were derived from river otters (current and previous studies).