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73 results for “Montserrat”
FIGURE 1 in A new species of frog from the Caribbean island of Montserrat (Eleutherodactylidae, Eleutherodactylus)
FIGURE 1. Graphs showing differences in three characters of Eleutherodactylus montserratae sp. nov. (filled circles) and E. johnstonei (hollow circles): (A) internarial distance, (B) tympanum diameter, and (C) head width. Arrows indicate the holotypes of the two species.
Figure 9 from: Breuil M, Schikorski D, Vuillaume B, Krauss U, Morton MN, Corry E, Bech N, Jelić M, Grandjean F (2020) Painted black: Iguana melanoderma (Reptilia, Squamata, Iguanidae) a new melanistic endemic species from Saba and Montserrat islands (Lesser Antilles). ZooKeys 926: 95-131. https://doi.org/10.3897/zookeys.926.48679
Figure 9 A Old adult from Montserrat B old adult from Saba. In these old individuals the carpet pattern is absent. The head is almost entirely black, except for the top and the snout. The dewlap, neck, dorsal spikes, and forelimb are black. Dorsal and lateral coloring is more variable, ranging from entirely black to a mosaic of black, brown, and dark green scales.
Figure 8 from: Breuil M, Schikorski D, Vuillaume B, Krauss U, Morton MN, Corry E, Bech N, Jelić M, Grandjean F (2020) Painted black: Iguana melanoderma (Reptilia, Squamata, Iguanidae) a new melanistic endemic species from Saba and Montserrat islands (Lesser Antilles). ZooKeys 926: 95-131. https://doi.org/10.3897/zookeys.926.48679
Figure 8 The dorsal carpet pattern of young adults Iguana melanoderma. A Montserrat B Saba. The dorsal coloration is formed by darker more or less interrupted dorso-ventral bands (brown, dark grey) on a lighter ground. This pattern disappears in old individuals. The black patch between the eye and the tympanum is already visible.
Figure 7 from: Breuil M, Schikorski D, Vuillaume B, Krauss U, Morton MN, Corry E, Bech N, Jelić M, Grandjean F (2020) Painted black: Iguana melanoderma (Reptilia, Squamata, Iguanidae) a new melanistic endemic species from Saba and Montserrat islands (Lesser Antilles). ZooKeys 926: 95-131. https://doi.org/10.3897/zookeys.926.48679
Figure 7 Comparison of morphological features of the head. A Young adult male. 1. Subtympanic plate with pink in the center. 2. Lower sublabial scales arranged in pairs of nearly identical size. 3. Black anterior edge of the lower sublabial scales. 4. Black border around the subtympanic plate. 5. Prominent nostrils. 6. Black spot between the eye and the tympanum. 7. Absence of horn and light snout. 8. Dark brown eye. 9. Triangular gular spikes. 10. Fewer than 10 gular spikes extended in the upper part of the lower dewlap. 11. High number of aligned nape tubercles. 12. Prominent light-grey tubercles. 13. Light greyish-green coloration on the neck. 14. High light-grey dorsal spines. 15. Dewlap half black. 16. Dorsal part of the limb with light-green scales becoming black with the extension of melanin from the anterior edge to the posterior edge of the scales. B Old male of Iguana melanoderma (Saba). 1. Large all-black subtympanic plate. 2. Extension of the black pigment on the sublabial scales. 3. Black coloration of the labial and upper sublabial scales. 4. Black coloration between the tympanum and the subtympanic plate. 6. Extension of the black spot around the eye and on the posterior labial and sublabial scales.7. Snout turning dark grey. 9, 10. Gular spikes turning dark grey with extension of black patches. 12. Dark grey nape tubercles. 13. Black coloration on the neck. 14. Dorsal spikes turning black. 15. Dewlap completely black. 16. Black upper face of the limb.
Figure 1 from: Breuil M, Schikorski D, Vuillaume B, Krauss U, Morton MN, Corry E, Bech N, Jelić M, Grandjean F (2020) Painted black: Iguana melanoderma (Reptilia, Squamata, Iguanidae) a new melanistic endemic species from Saba and Montserrat islands (Lesser Antilles). ZooKeys 926: 95-131. https://doi.org/10.3897/zookeys.926.48679
Figure 1 Geographical distribution of the three iguana groups identified by Lazell (1973) in the 1960s and new taxonomic proposition. In the 1960s, the invasive iguanas from South America (Iguana iguana) were only present in the îles des Saintes and Guadeloupe (Basse-Terre) and formed the Central Group. Now, alien iguanas are present and breed on every bank (van den Burg et al. 2018b). The southern group is now considered to support two subspecies Iguana iguana insularis and Iguana iguana sanctaluciae (Breuil et al. 2019). The northern group is considered here as a new species.
Figure 3 from: Breuil M, Schikorski D, Vuillaume B, Krauss U, Morton MN, Corry E, Bech N, Jelić M, Grandjean F (2020) Painted black: Iguana melanoderma (Reptilia, Squamata, Iguanidae) a new melanistic endemic species from Saba and Montserrat islands (Lesser Antilles). ZooKeys 926: 95-131. https://doi.org/10.3897/zookeys.926.48679
Figure 3 The Maximum Likelihood (ML) tree of the ND4 sequences of iguanas. The percentage of trees in which the associated taxa clustered is shown next to the branches, as bootstrap support (BS ≥ 70) for ML and Maximum Parsimony (MP) topologies respectively. Sequences amplified by the authors of this study were indicated by colored diamond-shaped marks. Marks are colored based on the sampling sites. Sequences from published studies were labelled by their NCBI GenBank access numbers (Fig. 4). The names of the taxa are classified according to the conclusions of this work. Roman numerals refer to clades identified by Stephen et al. (2013).
Figure 2 from: Breuil M, Schikorski D, Vuillaume B, Krauss U, Morton MN, Corry E, Bech N, Jelić M, Grandjean F (2020) Painted black: Iguana melanoderma (Reptilia, Squamata, Iguanidae) a new melanistic endemic species from Saba and Montserrat islands (Lesser Antilles). ZooKeys 926: 95-131. https://doi.org/10.3897/zookeys.926.48679
Figure 2 Hierarchical genetic structure of Iguana inferred by Structure and Structure harvester. Bar plots show admixture coefficient of each analyzed individuals (represented by each vertical bar) for the inferred genetic clusters K (represented by a different color). The graphs show Delta K values (Evanno et al. 2005) as a function of K (number of clusters) and calculated from posterior probabilities of the data (i.e., ln [P(D|K)]). The results inferred K = 2 genetic clusters when they were initially based on the overall sampling. A subsequent run, including individuals from Montserrat-Saba and French Guiana, revealed significant genetic substructure (i.e., K = 2) separating individuals from Montserrat-Saba and those from French Guiana. Independently, another subsequent run including only individuals from Saint Lucia and the Grenadines revealed no genetic substructure. The bar plots were produced using Distruct 1.1 program (Rosenberg 2004) from the average of the 15 replicates. The names of the taxa are given according to Breuil et al. (2019) and to the conclusion of this work for Saba and Montserrat.
Figure 12 from: Breuil M, Schikorski D, Vuillaume B, Krauss U, Morton MN, Corry E, Bech N, Jelić M, Grandjean F (2020) Painted black: Iguana melanoderma (Reptilia, Squamata, Iguanidae) a new melanistic endemic species from Saba and Montserrat islands (Lesser Antilles). ZooKeys 926: 95-131. https://doi.org/10.3897/zookeys.926.48679
Figure 12 Distribution of Iguana melanoderma in Montserrat and Saba. Each square is 2 km along a side.
Figure 11 from: Breuil M, Schikorski D, Vuillaume B, Krauss U, Morton MN, Corry E, Bech N, Jelić M, Grandjean F (2020) Painted black: Iguana melanoderma (Reptilia, Squamata, Iguanidae) a new melanistic endemic species from Saba and Montserrat islands (Lesser Antilles). ZooKeys 926: 95-131. https://doi.org/10.3897/zookeys.926.48679
Figure 11 A basking Iguana melanoderma optimizing after different trials its warming by a curved position when the sun is low on the horizon on the Windward coast of Saba.
Figure 4 from: Breuil M, Schikorski D, Vuillaume B, Krauss U, Morton MN, Corry E, Bech N, Jelić M, Grandjean F (2020) Painted black: Iguana melanoderma (Reptilia, Squamata, Iguanidae) a new melanistic endemic species from Saba and Montserrat islands (Lesser Antilles). ZooKeys 926: 95-131. https://doi.org/10.3897/zookeys.926.48679
Figure 4 The Median-Joining (MJ) network of the ND4 sequences of iguanas. The sequences amplified by the authors of this study and the corresponding haplotypes from published studies were labelled from "Hap_1" to "Hap_10" (details in Table 4). Other sequences from published studies were labelled by their NCBI GenBank access number. Black circles are median vectors representing extinct or unsampled haplotypes. The remaining colored circles represent haplotypes as nodes in the networks. The circles are colored based on the sampling sites. The size of circles corresponds to the number of specimens with identical sequence. The number of mutational steps is indicated by hatch marks. The names of the taxa are classified according to the conclusions of this work.
Figure 5 from: Breuil M, Schikorski D, Vuillaume B, Krauss U, Morton MN, Corry E, Bech N, Jelić M, Grandjean F (2020) Painted black: Iguana melanoderma (Reptilia, Squamata, Iguanidae) a new melanistic endemic species from Saba and Montserrat islands (Lesser Antilles). ZooKeys 926: 95-131. https://doi.org/10.3897/zookeys.926.48679
Figure 5 Holotype of Iguana melanoderma sp. nov. A Dorsal view B lateral view C dorsal view of the head D lateral view of the head. MCZ R-75832 from Saba, Windwardside. Museum of Comparative Zoology, Harvard University. President and Fellows of Harvard College. 1. Black patch between the tympanum and the subtympanic plate. 2. High number of aligned nape tubercles. 3. No horns on the stout. 4. Dorsal carpet pattern. 5. Black on the upper part of the forelimb. 6. Prominent nostrils. 7. Anterior part of the snout, not black. 8. Subtympanic plate with a dark posterior patch. 9. Black anterior edge of lower sublabial scales. 10. Fewer than 10 triangular gular spikes extended in the upper part of the lower dewlap. 11. Entirely black dewlap.
Figure 6 from: Breuil M, Schikorski D, Vuillaume B, Krauss U, Morton MN, Corry E, Bech N, Jelić M, Grandjean F (2020) Painted black: Iguana melanoderma (Reptilia, Squamata, Iguanidae) a new melanistic endemic species from Saba and Montserrat islands (Lesser Antilles). ZooKeys 926: 95-131. https://doi.org/10.3897/zookeys.926.48679
Figure 6 Paratype of Iguana melanoderma sp. nov. A Left side view of the head B right side view of the head. MCZ R 126377 from Montserrat, Old Road Bluff. Museum of Comparative Zoology, Harvard University. President and Fellows of Harvard College. 1. Black patch between the tympanum and the subtympanic plate. 2. High number of aligned nape tubercles. 3. No horns on the stout. 5. Black spot on the upper forelimb. 6. Prominent nostrils. 7. Anterior part of the snout, not black. 8. Subtympanic plate with a dark posterior patch. 9. Black anterior edge of lower sublabial scales. 10. Fewer than 10 triangular gular spikes extended in the upper part of the lower part of the dewlap. 11. Dewlap entirely black. 12. Lower sublabial scales arranged in pairs of nearly the same size.
Figure 6 from: Runyon JB (2020) The Dolichopodidae (Diptera) of Montserrat, West Indies. ZooKeys 966: 57-151. https://doi.org/10.3897/zookeys.966.55192
Figure 6 Cryptopygiella musaphila Robinson, male A habitus, left lateral B tip of abdomen showing opening that encloses postabdomen, right lateral. Scale bars: 0.5 mm (A), 0.25 mm (B).
Figure 31 from: Runyon JB (2020) The Dolichopodidae (Diptera) of Montserrat, West Indies. ZooKeys 966: 57-151. https://doi.org/10.3897/zookeys.966.55192
Figure 31 Diaphorus robinsoni sp. nov. male terminalia, left lateral. Abbreviations: d sur-dorsal lobe of surstylus; epand-epandrium; ep lobe-epandrial lobe; hypand arm-hypandrial arm; pgon-postgonite; v sur-ventral lobe of surstylus. Scale bar: 0.25 mm.
Figure 22 from: Runyon JB (2020) The Dolichopodidae (Diptera) of Montserrat, West Indies. ZooKeys 966: 57-151. https://doi.org/10.3897/zookeys.966.55192
Figure 22 Chrysotus callichromoides sp. nov. habitus of male holotype, left lateral. Scale bar: 1.0 mm.
Figure 25 from: Runyon JB (2020) The Dolichopodidae (Diptera) of Montserrat, West Indies. ZooKeys 966: 57-151. https://doi.org/10.3897/zookeys.966.55192
Figure 25 Heads of males, anterodorsal views AChrysotus flavipes (Aldrich) (Dominica) BChrysotus interfrons sp. nov. (Montserrat) CChrysotus parvulus (Aldrich) (Montserrat). Note differences in width of frons and enlargement of ommatidia. Scale bar: 0.5 mm.
Figure 21 from: Runyon JB (2020) The Dolichopodidae (Diptera) of Montserrat, West Indies. ZooKeys 966: 57-151. https://doi.org/10.3897/zookeys.966.55192
Figure 21 Chrysotus antillensis sp. nov. male terminalia, left lateral. Abbreviations: epand-epandrium; ep lobe-epandrial lobe; hypand ap-hypandrial apodeme; pgon-postgonite. Scale bar: 0.1 mm.
Figure 15 from: Runyon JB (2020) The Dolichopodidae (Diptera) of Montserrat, West Indies. ZooKeys 966: 57-151. https://doi.org/10.3897/zookeys.966.55192
Figure 15 Systenus ladonnae sp. nov. male terminalia, left lateral. Abbreviations: epand-epandrium; hypand-hypandrium; T-tergite; S-sernite. Scale bar: 0.5 mm.
Figure 19 from: Runyon JB (2020) The Dolichopodidae (Diptera) of Montserrat, West Indies. ZooKeys 966: 57-151. https://doi.org/10.3897/zookeys.966.55192
Figure 19 Lectotype male of Asyndetus fratellus (St. Vincent), left lateral (specimen number USNMENT01519227). Scale bar: 1.0 mm. Photo taken by Alyssa Seemann (USNM).
Figure 13 from: Runyon JB (2020) The Dolichopodidae (Diptera) of Montserrat, West Indies. ZooKeys 966: 57-151. https://doi.org/10.3897/zookeys.966.55192
Figure 13 Medetera montserratensis sp. nov., group of four males on palm trunk in Runaway Ghaut, Montserrat, 23 June 2017. Photograph by Justin Runyon.
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