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38 results for “Dardanus”
FIGURE 14 in Dardanus sanguinocarpus Degener, 1925 (Crustacea: Decapoda: Anomura: Diogenidae) species complex: a redescription of D. sanguinocarpus and descriptions of three new species
FIGURE 14. Dardanus robustus, sp. nov.: holotype, Ψ, SL 8.0 mm, Chichijima Island, Ogasawara, CBMZC 8702. Propodus of left third pereopod: A, lateral, a, dorsal row of large lobes, b, dorsal deep longitudinal concavity, c, medial elevation, d, ventral area with 1–2 irregular rows of protuberances, e, ventral row of lobes; B, dorsomesial portion; C, ventromesial margin. Left side of pleon: D, male; E, female. Scale 1 mm.
FIGURE 3. Dardanus sanguinocarpus Degener, 1925 in Dardanus sanguinocarpus Degener, 1925 (Crustacea: Decapoda: Anomura: Diogenidae) species complex: a redescription of D. sanguinocarpus and descriptions of three new species
FIGURE 3. Dardanus sanguinocarpus Degener, 1925: ɗ, SL = 10.9 mm, Hawaii, USNM 265329. Right cheliped: A, chela, outer; B, chela, lower; C, carpus, merus and ischium, outer. Left second pereopod: D, whole, lateral; E, dactyl, lateral; F, dactyl, mesial; G, propodus, lateral; H, propodus, dorsal. Scale 1 mm.
FIGURE 13 in Dardanus sanguinocarpus Degener, 1925 (Crustacea: Decapoda: Anomura: Diogenidae) species complex: a redescription of D. sanguinocarpus and descriptions of three new species
FIGURE 13. Dardanus robustus, sp. nov.: holotype, Ψ, SL 8.0 mm, Chichijima Island, Ogasawara, CBMZC 8702. A, left third pereopod, whole. Dactyl of left third pereopod: B, lateral, a, dorsal rows of sharp corneous spines; b, dorsal deep longitudinal concavity; c, ventral area armed with truncate spines; C, mesial; D, ventromesial margin. Scale 1 mm.
FIGURE 6. Dardanus sanguinocarpus Degener, 1925. A–D in Dardanus sanguinocarpus Degener, 1925 (Crustacea: Decapoda: Anomura: Diogenidae) species complex: a redescription of D. sanguinocarpus and descriptions of three new species
FIGURE 6. Dardanus sanguinocarpus Degener, 1925. A–D: ɗ, SL 10.9 mm, Hawaii, USNM 265329. E: Ψ, SL 3.6 mm, Hawaii, USNM 1012619. Lateral face of right third pereopod: A, whole; B, dactyl; C, propodus. Left side of pleon: D, male; E, female. Scale 1 mm.
FIGURE 1. Dardanus sanguinocarpus Degener, 1925 in Dardanus sanguinocarpus Degener, 1925 (Crustacea: Decapoda: Anomura: Diogenidae) species complex: a redescription of D. sanguinocarpus and descriptions of three new species
FIGURE 1. Dardanus sanguinocarpus Degener, 1925: ɗ, SL = 10.9 mm, Hawaii, USNM 265329. A, shield and cephalic appendages, dorsal; B, ocular acicle and second and first (partial) segments and acicle of antennal peduncle, right, dorsal, setae omitted. Right third maxilliped: C, inner; D, ischium and basis, outer. E, chela and carpus of left forth pereopod, lateral, setae omitted. F, anterior lobe of sternite of third pereopods. Telson: G, dorsal; H, posterior lobes, ventral. Scale 1 mm.
FIGURE 10 in Dardanus sanguinocarpus Degener, 1925 (Crustacea: Decapoda: Anomura: Diogenidae) species complex: a redescription of D. sanguinocarpus and descriptions of three new species
FIGURE 10. Dardanus robustus, sp. nov.: holotype, Ψ, SL 8.0 mm, Chichijima Island, Ogasawara, CBMZC 8702. Left cheliped: A, chela, outer; B, chela, inner lower; C, carpus and merus, outer. Scale 1 mm.
FIGURE 12 in Dardanus sanguinocarpus Degener, 1925 (Crustacea: Decapoda: Anomura: Diogenidae) species complex: a redescription of D. sanguinocarpus and descriptions of three new species
FIGURE 12. Dardanus robustus, sp. nov.: holotype, Ψ, SL 8.0 mm, Chichijima Island, Ogasawara, CBMZC 8702. Right third pereopod: A, whole, lateral; B, dactyl, ventromesial; C, dactyl, lateral; D, propodus, dorsal; E, propodus, lateral; F, distal portion of carpus, lateral. Scale 1 mm.
FIGURE 9 in Dardanus sanguinocarpus Degener, 1925 (Crustacea: Decapoda: Anomura: Diogenidae) species complex: a redescription of D. sanguinocarpus and descriptions of three new species
FIGURE 9. Dardanus robustus, sp. nov.: paratype, ɗ, SL 6.1 mm, Tahiti, French Polynesia, USNM 1086587. Left cheliped: A, whole, outer; B, chela, outer; C, spines and setae on outer surface of palm. Scale 1 mm.
FIGURE 2. Dardanus sanguinocarpus Degener, 1925 in Dardanus sanguinocarpus Degener, 1925 (Crustacea: Decapoda: Anomura: Diogenidae) species complex: a redescription of D. sanguinocarpus and descriptions of three new species
FIGURE 2. Dardanus sanguinocarpus Degener, 1925: ɗ, SL = 10.9 mm, Hawaii, USNM 265329. Left cheliped: A, whole, outer; B, chela, inner; C, carpus, upper; D, merus, mesial. Scale 1 mm.
FIGURE 15. Live coloration. A in Dardanus sanguinocarpus Degener, 1925 (Crustacea: Decapoda: Anomura: Diogenidae) species complex: a redescription of D. sanguinocarpus and descriptions of three new species
FIGURE 15. Live coloration. A, Dardanus robustus, sp. nov.: holotype, ɗ, SL 8.0 mm, Chichijima Island, Ogasawara, photo by Hiroyuki Tachikawa, CBMZC 8702; B, Dardanus cf. longior:ɗ, SL 12.2 mm, Marquesas, French Polynesia, photo by Joseph Poupin, MNHN Pg 5907.
FIGURE 5. Dardanus sanguinocarpus Degener, 1925 in Dardanus sanguinocarpus Degener, 1925 (Crustacea: Decapoda: Anomura: Diogenidae) species complex: a redescription of D. sanguinocarpus and descriptions of three new species
FIGURE 5. Dardanus sanguinocarpus Degener, 1925: ɗ, SL 10.9 mm, Hawaii, USNM 265329. Dactyl and propodus of left third pereopod: A, mesial; B, dorsomesial. a, d, row of tufts of long stiff setae on midline; b, e, dorsal row of tufts of long stiff setae; c, f, dorsal rows of small corneous spines. Scale 1 mm.
FIGURE 8 in Dardanus sanguinocarpus Degener, 1925 (Crustacea: Decapoda: Anomura: Diogenidae) species complex: a redescription of D. sanguinocarpus and descriptions of three new species
FIGURE 8. Dardanus robustus, sp. nov. A–E, G–I: holotype, Ψ, SL 8.0 mm, Chichijima Island, Ogasawara, CBMZC 8702. F, paratype, ɗ, SL 6.1 mm, Tahiti, French Polynesia, USNM 1086587. A, shield and cephalic appendages, dorsal. B, ocular acicle and 1–4 segments and acicle of antennal peduncle, right, dorsal, setae omitted. Right third maxilliped: C, inner; D, ischium and basis, outer. E, chela and carpus of left forth pereopod, lateral, setae omitted. F, G, anterior lobe of sternite of third pereopods. Telson: H, dorsal; I, posterior lobes, ventral. Scale 1 mm.
FIGURE 11 in Dardanus sanguinocarpus Degener, 1925 (Crustacea: Decapoda: Anomura: Diogenidae) species complex: a redescription of D. sanguinocarpus and descriptions of three new species
FIGURE 11. Dardanus robustus, sp. nov.: holotype, Ψ, SL 8.0 mm, Chichijima Island, Ogasawara, CBMZC 8702. Right cheliped: A, whole, outer; B, chela, upper; C, chela, lower. Left second pereopod: D, whole, lateral; E, dactyl, lateral; F, dactyl, mesial; G, propodus, dorsal. Scale 1 mm.
FIGURE 4. Dardanus sanguinocarpus Degener, 1925 in Dardanus sanguinocarpus Degener, 1925 (Crustacea: Decapoda: Anomura: Diogenidae) species complex: a redescription of D. sanguinocarpus and descriptions of three new species
FIGURE 4. Dardanus sanguinocarpus Degener, 1925: ɗ, SL 10.9 mm, Hawaii, USNM 265329. Lateral face of left third pereopod: A, whole; B, dactyl, a, dorsal row of large lobes, b, dorsal deep longitudinal concavity, c, ventral area armed with truncate corneous spines, d, ventral row of large lobes; C, propodus, a, dorsal row of lobes, b, dorsal deep longitudinal concavity, c, medial elevation, d, ventral area with 1–3 irregular rows of large protuberances, e, ventral row of lobes. Scale 1 mm.
FIGURE 7. Dardanus sanguinocarpus Degener, 1925 in Dardanus sanguinocarpus Degener, 1925 (Crustacea: Decapoda: Anomura: Diogenidae) species complex: a redescription of D. sanguinocarpus and descriptions of three new species
FIGURE 7. Dardanus sanguinocarpus Degener, 1925: Ψ, SL 9.0 mm, Midway Atoll, Hawaii, BPBMS 12874. Color patterns in preservative (two years in alcohol). Areas with horizontal lines and vertical lines indicate bright red and bright purple areas respectively. A, shield and cephalic appendages, dorsal. Left cheliped: B, outer; C, inner. Right cheliped: D, outer; E, inner. Left second pereopod: F, outer; G, carpus, outer; H, same, inner. Left third pereopod: I, outer; J, inner.
Data from: Comparative genomics of the mimicry switch in Papilio dardanus
The African Mocker Swallowtail, Papilio dardanus, is a textbook example in evolutionary genetics. Classical breeding experiments have shown that wing pattern variation in this polymorphic Batesian mimic is determined by the polyallelic H locus that controls a set of distinct mimetic phenotypes. Using bacterial artificial chromosome (BAC) sequencing, recombination analyses and comparative genomics, we show that H co-segregates with an interval of less than 500 kb that is collinear with two other Lepidoptera genomes and contains 24 genes, including the transcription factor genes engrailed (en) and invected (inv). H is located in a region of conserved gene order, which argues against any role for genomic translocations in the evolution of a hypothesized multi-gene mimicry locus. Natural populations of P. dardanus show significant associations of specific morphs with single nucleotide polymorphisms (SNPs), centred on en. In addition, SNP variation in the H region reveals evidence of non-neutral molecular evolution in the en gene alone. We find evidence for a duplication potentially driving physical constraints on recombination in the lamborni morph. Absence of perfect linkage disequilibrium between different genes in the other morphs suggests that H is limited to nucleotide positions in the regulatory and coding regions of en. Our results therefore support the hypothesis that a single gene underlies wing pattern variation in P. dardanus.
Data from: Comparative genomics of the mimicry switch in Papilio dardanus
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Dardanus Standing Stone
The Dardaunus stone is said to mark the place where Dardanus, ruler of the Scots, was defeated in battleby the Lords of Scotland and executed in AD76. The stone was accidentally broken in half by roadmen and repaired around 1850. Source: Objaverse 1.0 / Sketchfab
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