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61 results for “cryptic invasion”
FIGURE 6 in A Cryptic Invasion in the Western Atlantic: Presence of the Fouling Barnacle Megabalanus zebra (Darwin, 1854) (Crustacea, Cirripedia) in the Caribbean Sea
FIGURE 6. Two specimens of Megabalanus zebra (Darwin, 1854) from a pier piling at Piscadero Harbor, Curaçao. A–F, MNRJ 25256; G–L, MNRJ 25257. A, shell top view; B, shell left lateral view; G and H, outer and inner view of right parietal plates, respectively; C, I and D, J, right scutum outer and inner faces; E, K and F, L, right tergum inner and outer faces. Scale bar: A and B = 1 cm, C- F = 6.5 mm; G, H = 0.7 mm; I-L = 5mm.
FIGURE 1 in A Cryptic Invasion in the Western Atlantic: Presence of the Fouling Barnacle Megabalanus zebra (Darwin, 1854) (Crustacea, Cirripedia) in the Caribbean Sea
FIGURE 1. Landmark positions and names of scutum and tergum. Megabalanus zebra from Ƒiking IV hull, Chaguaramas, Trinidad (MNRJ 25251). A, inner face of right tergum; B, inner face of left scutum.
FIGURE 5 in A Cryptic Invasion in the Western Atlantic: Presence of the Fouling Barnacle Megabalanus zebra (Darwin, 1854) (Crustacea, Cirripedia) in the Caribbean Sea
FIGURE 5. Left opercular plates of Megabalanus zebra (Darwin, 1854) (MNRJ 25254) collected from Alcazar at Chaguaramas, Trinidad. A and B, scutum inner and outer face; C and D, tergum inner and outer face. Scale bar = 1 mm.
FIGURE 7 in A Cryptic Invasion in the Western Atlantic: Presence of the Fouling Barnacle Megabalanus zebra (Darwin, 1854) (Crustacea, Cirripedia) in the Caribbean Sea
FIGURE 7. Megabalanus zebra (Darwin, 1854) cirri from three specimens collected from boat hulls at Chaguaramas, Trinidad. A, cirrus I; B, cirrus II; C, cirrus III; D, cirrus VI; E, F and G, detail of external side of outer rami median segments of cirrus III, IV and VI, respectively. Figures A, B, E, F and G from specimen MNRJ 25245; C and E from MNRH 25248; D from MNRJ 25255. Scale bar: A, B and C = 2 mm; D = 4 mm; E, F and G = 1 mm.
Fig. 4 in Evidence of cryptic speciation in the invasive hydroid Cordylophora caspia (Pallas, 1771) (Cnidaria, Hydrozoa) supported by new records
Fig. 4 Map of distribution of Cordylophora caspia in Brazil. Review of the distribution of C. caspia in Brazil (Table 1), with new records at Engenheiro José Mendes Júnior Hydroelectric Power Plant (HPP Funil), Minas Gerais, and at São Simão Hydroelectric Power Plant (HPP São Simão), Goiás, highlighted with a yellow star. (1) HPP Tucuruí, PA; (2) HPP São Simão, GO; (3) Três Lagoas, MS; (4) HPP
FIGURE 13 in Cryptic invasions of Pseudopolydora (Annelida: Spionidae), with description of a new species from Queensland, Australia
FIGURE 13. Map showing records of Pseudopolydora floridensis (see Table S3). Red star—type locality: Lake Worth, Palm Beach County, Florida, USA; green triangle—specimen sequenced for COI by Bogantes et al. (2021); yellow circles—adults identified based on morphology only.
FIGURE 12 in Cryptic invasions of Pseudopolydora (Annelida: Spionidae), with description of a new species from Queensland, Australia
FIGURE 12. Map showing records of Pseudopolydora spp. Pseudopolydora rosebelae: red star—type locality: São Sebastião Is. (Ilhabela), São Paulo, Brazil; green triangles—specimens sequenced in the present study; yellow circles—adults identified based on the morphology only (see Table S2). Pseudopolydora nivea sp. nov.: turquoise star—type locality: Lizard Is., Queensland, Australia; holotype sequenced in the present study (see Table S4).
FIGURE 11. Pseudopolydora rosebelae larval morphology. A–F, 13 in Cryptic invasions of Pseudopolydora (Annelida: Spionidae), with description of a new species from Queensland, Australia
FIGURE 11. Pseudopolydora rosebelae larval morphology. A–F, 13-chaetiger larva from plankton: A, dorsal view, in transmitted light; B, same, ventral view; C, dorsal view, in reflected light; D, same, ventral view; E, anterior end, ventral view; F, head, dorsal view. G–I, 14-chaetiger larva from plankton: G, dorsal view, in transmitted light; H, same, in reflected light; D, same, ventral view. Abbreviations: la—lateral peristomial lip; pa—palp; ve—ventral peristomial lip. Scale bars: A–I = 100 µm. A–I—Nha Trang Bay, Vietnam (in life, MIMB 42738).
FIGURE 8. Pseudopolydora rosebelae adult morphology. A, 45 in Cryptic invasions of Pseudopolydora (Annelida: Spionidae), with description of a new species from Queensland, Australia
FIGURE 8. Pseudopolydora rosebelae adult morphology. A, 45-chaetiger female, dorsal view, right palp broken. B, same, left lateral view. C, anterior end, dorsal view. D, same, ventral view. E, posterior end, dorsal view. Scale bars: A, B = 1 mm; C, D = 300 µm; E = 10 µm. A–E—Nha Trang Bay, Vietnam (in life, MIMB 42737, photos by Sergey Garin).
FIGURE 10. Pseudopolydora rosebelae adult morphology. A in Cryptic invasions of Pseudopolydora (Annelida: Spionidae), with description of a new species from Queensland, Australia
FIGURE 10. Pseudopolydora rosebelae adult morphology. A, anterior end, ventral view. B, posterior end, dorsal view. C, anterior end, left lateral view. Scale bars: A–C = 200 µm. A—Hawaii (formalin-fixed, MIMB 42734); B—Hawaii (formalinfixed, MIMB 42735); C—Nha Trang Bay, Vietnam (formalin-fixed, MIMB 42736).
FIGURE 7. Pseudopolydora rosebelae adult morphology. A, 51 in Cryptic invasions of Pseudopolydora (Annelida: Spionidae), with description of a new species from Queensland, Australia
FIGURE 7. Pseudopolydora rosebelae adult morphology. A, 51-chaetiger female, left lateral view, palps missing. B, same, anterior end, dorsal view. C, anterior end, left lateral view. D, anterior end, dorsal view, palps missing. E, same, left lateral view. F, same as A, middle fertile segments, left lateral view. Abbreviations: ch5—chaetiger 5; gl—glandular pouches in neuropodia of chaetigers 6 and 7; ho—epithelial hood arising from dorsal anterior edge of chaetiger 3 and forming a prominent pouch above chaetiger 2; ne—nephridia in female fertile chaetigers. A, B, D–F—in reflected light; C—in transmitted light. Scale bars: A = 1 mm; B–F = 300 µm. A, B, F—São Paulo, Brazil (in life, paratype ZUEC-POL 20, photos by Álvaro Migotto). C—Nha Trang Bay, Vietnam (in life, MIMB 42737). D, E—Fort Pierce, Florida, USA (formalin-fixed, VIR 24373, photos by Michael Scott Jones).
FIGURE 5 in Cryptic invasions of Pseudopolydora (Annelida: Spionidae), with description of a new species from Queensland, Australia
FIGURE 5. Map showing records of Pseudopolydora achaeta (see Table S1). Red star—type locality: Tsengwen River estuary, Tainan Co., Taiwan; green triangles—specimens sequenced in the present and earlier studies; yellow circles—adults identified based on the morphology only.
FIGURE 3 in Cryptic invasions of Pseudopolydora (Annelida: Spionidae), with description of a new species from Queensland, Australia
FIGURE 3. Adult morphology of Pseudopolydora achaeta. A, chaetigers 3–6, left lateral view. B, posterior-row falcate spines from notopodium of chaetiger 5. C, hooded hooks from neuropodium of chaetiger 8. Abbreviations: ch3, ch4—chaetigers 3 and 4. Scale bars: A = 30 µm; B = 5 µm; C = 10 µm. A–C—Peter the Great Bay, Sea of Japan, Russia (SEM, VIR 700).
FIGURE 2. Pseudopolydora achaeta adult morphology. A, B in Cryptic invasions of Pseudopolydora (Annelida: Spionidae), with description of a new species from Queensland, Australia
FIGURE 2. Pseudopolydora achaeta adult morphology. A, B, anterior ends, dorsal view. C, D, anterior end, left lateral view. Scale bars: A, B, D = 200 µm; C = 500 µm. A, Nha Trang Bay, Vietnam (MIMB 40946). B, Paranaguá Bay, Paraná, Brazil (MIMB 40945). C, D—Florida, USA (VIR 24579, photos by Michael Scott Jones).
FIGURE 4. Pseudopolydora achaeta larval morphology. A–D, 20 in Cryptic invasions of Pseudopolydora (Annelida: Spionidae), with description of a new species from Queensland, Australia
FIGURE 4. Pseudopolydora achaeta larval morphology. A–D, 20-chaetiger larva from plankton: A, dorsal view, in transmitted light; B, same, ventral view; C, dorsal view, in reflected light; D, same, ventral view. Scale bars: A–D = 100 µm. Nha Trang Bay, Vietnam (in life, VIR 25357).
FIGURE 1 in Cryptic invasions of Pseudopolydora (Annelida: Spionidae), with description of a new species from Queensland, Australia
FIGURE 1. Majority rule consensus tree of the Bayesian inference analysis of the combined COI (604 bp), 16S (258 bp), 18S (1652 bp), 28S (293 bp), and Histone 3 (307 bp) sequences (3114 bp in total) of Pseudopolydora spp. rooted with sequences of Pseudopolydora dayi Simon, 2009. Posterior probabilities are shown on the branches. The numbers preceding collecting locations are unique numbers from the VIR database linking the individuals on the tree with the sampling data in Table 1 and Supplement Tables S1–S4; numbers of individuals are separated from sample numbers by dots. Colored labels showing not apomorphies but merely characters shared by members of the corresponding clades.
Data from: Cryptic species, native populations and biological invasions by a eucalypt forest pathogen
Human associated introduction of pathogens and consequent invasions are very evident in areas where no related organisms existed before. In areas where related but distinct populations or closely related cryptic species already exist, the invasion process is much harder to unravel. In this study, the population structure of the Eucalyptus leaf pathogen Teratosphaeria nubilosa was studied within its native range in Australia, including both commercial plantations and native forests. A collection of 521 isolates from across its distribution was characterized using eight microsatellite loci, resulting in 112 multilocus haplotypes (MLH). Multivariate and Bayesian analyses of the population conducted in STRUCTURE revealed three genetically isolated groups (A, B and C), with no evidence for recombination or hybridization among groups, even when they co-occur in the same plantation. DNA sequence data of the ITS (n=32), β-tubulin (n=32) and 27 anonymous loci (n=16) were consistent with microsatellite data in suggesting that T. nubilosa should be considered as a species complex. Patterns of genetic diversity provided evidence of biological invasions by the pathogen within Australia in the states of Western Australia and New South Wales, and helped unravel the pattern of invasion beyond Australia into New Zealand, Brazil and Uruguay. No significant genetic differences in pathogen populations collected in native forests and commercial plantations were observed. This emphasizes the importance of sanitation in the acquisition of nursery stock for the establishment of commercial plantations.
Data from: Cryptic species, native populations and biological invasions by a eucalypt forest pathogen
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Data from: Pathways of cryptic invasion in a fish parasite traced using coalescent analysis and epidemiological survey
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Supplementary material 2 from: Jażdżewska AM, Rewicz T, Mamos T, Wattier R, Bącela-Spychalska K, Grabowski M (2020) Cryptic diversity and mtDNA phylogeography of the invasive demon shrimp, Dikerogammarus haemobaphes (Eichwald, 1841), in Europe. NeoBiota 57: 53-86. https://doi.org/10.3897/neobiota.57.46699
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