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115 results for “Boring species”
Figs. 746–749. Pseudolampona boree, new species. 746. Left male palp, ventral view. 747. Same, retrolateral view. 748. Epigynum, ventral view. 749 in A Relimitation And Revision Of The Australasian Ground Spider Family Lamponidae (Araneae: Gnaphosoidea)
Figs. 746–749. Pseudolampona boree, new species. 746. Left male palp, ventral view. 747. Same, retrolateral view. 748. Epigynum, ventral view. 749. Same, dorsal view.
FIGURE 12 in Morphology and biology of Polydora species (Polychaeta: Spionidae) boring into oyster shells in South America, with the description of a new species
FIGURE 12. Polydora carinhosa sp. nov. larval morphology, Paraná. A, anterior fragment of early 14-chaetiger larva from egg capsule, dorsal view, showing short caruncle with one pair of large glandular cells, and rounded nuchal ciliary patches on the posterior dorso-lateral sides of the prostomium. B–C, late 14-chaetiger larva from egg capsule, showing pigmentation pattern. B, dorsal view, showing arrangement of melanophores. C, ventral view, showing distribution of yellow pigment.
FIGURE 11 in Morphology and biology of Polydora species (Polychaeta: Spionidae) boring into oyster shells in South America, with the description of a new species
FIGURE 11. Polydora carinhosa sp. nov. larval morphology, Paraná. A, 10-chaetiger larva from egg capsule, left lateral view, showing pattern of black pigmentation. B–H, set of chaetae of 14- chaetiger 5 larva: B, C, capillary chaeta and bidentate hooded hook from neuropodium of chaetiger 7. D–H, modified chaetae of chaetiger 5; right side chaetae in ventral view: D, ventral capillary chaeta. E, dorsal superior capillary chaeta. F, provisional awl-like spine with sigmoid distal end. G, provisional heavy falcate spine with longitudinal groove. H, "quasi-adult" heavy falcate spine and bilimbate-tipped companion chaeta.
FIGURE 9 in Morphology and biology of Polydora species (Polychaeta: Spionidae) boring into oyster shells in South America, with the description of a new species
FIGURE 9. Polydora cf. haswelli adult morphology, Paraná (MZSP 179). A, B, posterior ends in left lateral view. A, a common disc-like pygidium with numerous glandular cells. B, pygidium intermediate between disc-like and scoop-shaped pygidia, with few glandular cells. Scales: A, B = 50 µm.
FIGURE 10 in Morphology and biology of Polydora species (Polychaeta: Spionidae) boring into oyster shells in South America, with the description of a new species
FIGURE 10. Polydora carinhosa sp. nov. adult morphology, Santa Catarina (MZSP 181, paratype). A, anterior end, dorsal view, showing black pigmentation on dorsal side of peristomium and anterior chaetigers. B–D, modified chaetae of chaetiger 5: B, ventral capillary. C, dorsal superior geniculate capillary. D, heavy falcate spine and bilimbate-tipped companion chaeta; right side chaetae in ventral view.
FIGURE 8 in Morphology and biology of Polydora species (Polychaeta: Spionidae) boring into oyster shells in South America, with the description of a new species
FIGURE 8. Polydora cf. haswelli adult morphology, São Paulo (MZSP 179). A, bidentate hooded hook from neuropodium of chaetiger 7. B–D, modified chaetae of chaetiger 5: B, ventral capillary. C, dorsal superior geniculate capillary. D, heavy falcate spines and bilimbate-tipped companion chaetae; right side chaetae in ventral view; older, worn chaetae on right. E, posterior end of large worm, dorsal view, showing small yellow chromatophores on segments, sensory cilia on edge of pygidium, numerous glandular cells in pygidium.
FIGURE 13 in Morphology and biology of Polydora species (Polychaeta: Spionidae) boring into oyster shells in South America, with the description of a new species
FIGURE 13. Polydora carinhosa sp. nov. life cycle diagram. A, female brooding larvae in egg capsules joined to each other in string, with each attached by two stalks to inner wall of burrow in shell. B, fragment of egg capsule string. C, 14-chaetiger larva hatched from egg capsule and ready for settlement and metamorphosis. D, juvenile in silty tube at beginning of boring into shell.
FIGURE 7. Polydora ecuadoriana life cycle diagram. A in Morphology and biology of Polydora species (Polychaeta: Spionidae) boring into oyster shells in South America, with the description of a new species
FIGURE 7. Polydora ecuadoriana life cycle diagram. A, sinuous spermatophore released by male and caught by female. B, female brooding early larvae in egg capsules joined to each other in string, with each attached by two stalks to inner wall of burrow in shell. C, fragment of egg capsule string. D, 3-chaetiger larva hatched from egg capsule and entered into the plankton. E, 16-chaetiger pelagic larva ready for settlement and metamorphosis. F, juvenile in silty tube at beginning of boring into shell, with palps lacking pigmentation.
FIGURE 6 in Morphology and biology of Polydora species (Polychaeta: Spionidae) boring into oyster shells in South America, with the description of a new species
FIGURE 6. Polydora ecuadoriana shell-boring life style Espírito Santo (MZSP 168). A, pair of feeding palps protruding out of short silty tube that extends burrow in shell, showing characteristic black bars regularly arranged along length of each palp. B, external opening of burrow in shell, with silty tube extensions removed, showing joined apertures and pair of short palps. C, shells of mangrove oyster Crassostrea rhizophorae infested by Polydora ecuadoriana, showing U-shaped burrows (bu) and small mud blisters (mb) with worms on inner side of shells. Scales: A, B, 1 mm. C, 1 cm.
FIGURE 4 in Morphology and biology of Polydora species (Polychaeta: Spionidae) boring into oyster shells in South America, with the description of a new species
FIGURE 4. Polydora ecuadoriana adult morphology, Paraná (USNM 1022185). A, anterior end, dorsal view, showing palp scars (pa), lateral organs (lo) on chaetiger 1, ciliary bands of nuchal organs (no), nototrochs (nt), and flattened branchiae (br) from chaetiger 7. B–E, posterior end in various views, showing large, scoop-shaped pygidium with wide middorsal gap, dorsal anus (an), and postanal ciliary band (cb). Scales: A–E, 100 µm.
FIGURE 2 in Morphology and biology of Polydora species (Polychaeta: Spionidae) boring into oyster shells in South America, with the description of a new species
FIGURE 2. Polydora ecuadoriana adult morphology, Paraná (USNM 1022185). A, anterior end of a 40-chaetiger juvenile, dorsal view, showing narrow black band along ciliated groove on right palp; left palp omitted. B, bidentate hooded hook from neuropodium of chaetiger 20. C, bidentate hooded hook from neuropodium of chaetiger 7. D, heavy falcate spines and bilimbate-tipped companion chaetae from notopodium of chaetiger 5; right side chaetae in ventral view; older, worn chaetae on right.
FIGURE 3 in Morphology and biology of Polydora species (Polychaeta: Spionidae) boring into oyster shells in South America, with the description of a new species
FIGURE 3. Polydora ecuadoriana adult morphology and distribution of fertile (gametogenic) chaetigers, São Paulo and Paraná. A, relationships between number of eyes and total number of chaetigers in worm, and distribution of number of eyes in population. B, relationships between pigmentation of palps and total number of chaetigers in worm; abs —absence of pigmentation on palp; line —black line along longitudinal ciliated groove on palp; 2–7 —number of black bars on palp. C, relationships between length of caruncle and total number of chaetigers in worm. D, relationships between position of the first and last fertile chaetigers and total number of chaetigers in males. E, same in females.
FIGURE 5 in Morphology and biology of Polydora species (Polychaeta: Spionidae) boring into oyster shells in South America, with the description of a new species
FIGURE 5. Polydora ecuadoriana adult morphology, Paraná (USNM 1022185). A, anterior end, left lateral view, showing narrow, downwards-curved prostomium (pr), low caruncle (ca), and peristomium (pe). B, same, ventral view, showing narrow incision on anterior edge of prostomium. C, chaetigers 2–6, left lateral view, showing lateral ciliated organs (lo) on chaetigers 2, 3 and 6; enlarged chaetiger 5 with tuft of dorsal superior capillaries (ds), two kinds of modified notochaetae (mn) arranged in horizontal double row, and tuft of ventral capillaries (vc). D, chaetigers 6–8, left lateral view, showing ventral capillaries on chaetiger 6, vertical rows of hooded hooks (hh) and external parts of secretory cells of glandular pouches (gp) on chaetigers 7 and 8. E, F, posterior ends in left lateral view, showing various pygidia. Scales: A, B, F, 100 µm. C, E, 50 µm. D, 30 µm.
FIGURE 1 in Morphology and biology of Polydora species (Polychaeta: Spionidae) boring into oyster shells in South America, with the description of a new species
FIGURE 1. Map showing reports of Polydora ecuadoriana (1 —Blake, 1983) and Polydora cf. haswelli in South America. New records of both species from Brazil are depicted by filled circles: ES —Espírito Santo, RJ —Rio de Janeiro, SP —São Paulo, PR —Paraná, SC —Santa Catarina.
FIGURE 3 in A new species of seagrass-boring Limnoria (Limnoriidae, Isopoda, Crustacea) from Japan
FIGURE 3. Limnoria rhombipunctata sp. nov. Holotype, male, KMNH IvR 500862: A, pleopod 1; B, pleopod 2; C, pleopod 3; D, pleopod 4; E, pleopod 5; G, posterior margin of pleotelson. Paratype, male, KMNH IvR 500867: F, penes; H, left uropod. Scale bars: A–E = 0.25 mm, F, H = 0.1 mm. G = 0.02 mm.
FIGURE 1 in A new species of seagrass-boring Limnoria (Limnoriidae, Isopoda, Crustacea) from Japan
FIGURE 1. Limnoria rhombipunctata sp. nov. Holotype, male, KMNH IvR 500862: A, dorsal view; B, pleotelson; C, antenna 1; D, antenna 2; E, maxilla 1; F, maxilla 2; G, maxilliped; Scale bars: A = 0.5 mm, B = 0.2 mm, C–D, G = 0.1 mm, E–F = 0.05 mm.
FIGURE 2 in A new species of seagrass-boring Limnoria (Limnoriidae, Isopoda, Crustacea) from Japan
FIGURE 2. Limnoria rhombipunctata sp. nov. Holotype, male, KMNH IvR 500862: A, left mandible; B, lacinia mobilis of right mandible; C, apical region of pereopod 1; D, pereopod 1; E, pereopod 2; F, pereopod 3; G, pereopod 4; H, pereopod 5; I, pereopod 6; J, pereopod 7. Scale bars: A, C–J = 0.1 mm, B = 0.05 mm.
FIGURE 14 in Three new species of shell-boring Dipolydora (Annelida: Spionidae: Polydorini) from the South China Sea and the Gulf of Thailand, Vietnam, with comments on the modified spines in posterior notopodia and sperm morphology in polydorins
FIGURE 14. Habitat of Dipolydora vietnamita sp. nov. (in life). A–C, worm burrows in a shell of the date mussel Lithophaga sp. which, in turn, have perforated the shell of an oyster. Arrow showing pygidium of a worm inside burrow. Scale bar: A–C = 1 mm.
FIGURE 12 in Three new species of shell-boring Dipolydora (Annelida: Spionidae: Polydorini) from the South China Sea and the Gulf of Thailand, Vietnam, with comments on the modified spines in posterior notopodia and sperm morphology in polydorins
FIGURE 12. Dipolydora vietnamita sp. nov. morphometric relationships. A, caruncle length and anterior position of gizzardlike structure versus total number of chaetigers. B, last branchiate chaetiger versus total number of chaetigers. Correlation coefficients (r) and their significance are reported in Table 1.
FIGURE 11 in Three new species of shell-boring Dipolydora (Annelida: Spionidae: Polydorini) from the South China Sea and the Gulf of Thailand, Vietnam, with comments on the modified spines in posterior notopodia and sperm morphology in polydorins
FIGURE 11. Morphology of Dipolydora vietnamita sp. nov. (formalin-fixed paratypes stained with methylene green). A, anterior end, dorsal view, showing unusual pattern of MG staning on anterior chaetigers. B, chaetigers 3–12, ventral view, showing transverse bands of MG staining on chaetigers 6–11. C, middle chaetigers, dorsal view. D, E, posterior end in left lateral (D) and rear (E) view. F, general dorsal view, showing common absence of MG staining on dorsal side of anterior chaetigers. G, anterior fragment, left lateral view, showing MG staining on peristomium, ventral side of chaetigers 6–11, and of glandular pouches in lateral side from chaetiger 12 onwards. H, chaetiger 5, right side in ventral view. Abbreviations: ch5, ch11 = chaetigers 5, 11; co = bilimbate companion chaetae; fa = heavy falcate spines; su = dorsal superior capillaries; ve = ventral capillaries. Scale bars: A–E = 100 µm; F, G = 200 µm, H = 20 µm. A, B, E, G, H—MIMB 42724; C, F—MIMB 42728; D—MIMB 42723.
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