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42 results for “polytene chromosomes”
FIGURE 3. Larval polytene chromosomes, IIIS arm. a in Taxonomy and biology of Simulium clarkei Stone & Snoddy (Diptera: Simuliidae), a poorly known black fly of the southeastern United States
FIGURE 3. Larval polytene chromosomes, IIIS arm. a. Simulium emarginatum, Meherrin River, Virginia, showing standard sequence. b. Simulium clarkei, Meherrin River, North Carolina, showing IIIS inversion (brackets) with reversed orientation of 'blister' (bl) and 'capsule' (ca) markers. The centromere is on the left of each chromosome arm.
FIGURE 4. Polytene chromosome G in Macropelopia nebulosa group (Diptera, Chironomidae, Tanypodinae) — karyotype and morphology of larvae and pupae
FIGURE 4. Polytene chromosome G (the chromosome was divided to sections in comparison with those chromosome of M. paranebulosa). The arrow indicates the centromere. Bar is 100 µm.
FIGURE 2 in External morphology of larva and polytene chromosomes of Clunio marinus Haliday, 1855 (Diptera, Chironomidae, Orthocladiinae) from two localities of the Atlantic coast
FIGURE 2. Larva of Clunio marinus Holiday, lab.stock, Spain, Vigo. A. Pecten epipharyngis (PE), premandible (Pm); B. Maxilla with maxillary palp (mp) and lacinial chaetae (LCh); C. Clypeus with setae SI and SII and premandible (Pm); D. Caudal part with posterior parapods (pp), anal seta (as), and supra anal setae (ss). Scale bar, 10 µm.
FIGURE 3 in External morphology of larva and polytene chromosomes of Clunio marinus Haliday, 1855 (Diptera, Chironomidae, Orthocladiinae) from two localities of the Atlantic coast
FIGURE 3. Larvae of Clunio marinus Holiday, lab. stock, Spain, Vigo. A. Clypeus and frontal apotome with setae S1 to S5. Scale bar, 10 µm.
FIGURE 6 in External morphology of larva and polytene chromosomes of Clunio marinus Haliday, 1855 (Diptera, Chironomidae, Orthocladiinae) from two localities of the Atlantic coast
FIGURE 6. Larvae of Clunio marinus Holiday, lab. stock, Germany, Helgoland. A. Clypeus and frontal apotome with setae S3 to S5. Scale bar, 10 µm.
FIGURE 1 in External morphology of larva and polytene chromosomes of Clunio marinus Haliday, 1855 (Diptera, Chironomidae, Orthocladiinae) from two localities of the Atlantic coast
FIGURE 1. Larva of Clunio marinus Holiday, lab. stock, Spain, Vigo. A. Mandible; B. Mentum with median and lateral teeth; C. Antenna: blade (bl), style (st); D. Premandible (Pm). Scale bar, 10 µm.
FIGURE 5 in External morphology of larva and polytene chromosomes of Clunio marinus Haliday, 1855 (Diptera, Chironomidae, Orthocladiinae) from two localities of the Atlantic coast
FIGURE 5. Larva of Clunio marinus Holiday, lab. stock, Germany, Helgoland. A. Pecten epipharyngis (PE) and premandible (Pm); B. Maxilla with maxillary palp (mp) and lacinial chaetae (LCh); C. Caudal part with posterior parapods (pp), anal seta (as) and supra anal seta (ss). Scale bar, 10 µm.
FIGURE 4 in External morphology of larva and polytene chromosomes of Clunio marinus Haliday, 1855 (Diptera, Chironomidae, Orthocladiinae) from two localities of the Atlantic coast
FIGURE 4. Larva of Clunio marinus Holiday, lab. stock, Germany, Helgoland. A. Mandible; B. Mentum with median and lateral teeth; C. Antenna: blade (bl), style (st); D. Premandible (Pm). Scale bar, 10 µm.
FIGURE 7. A in External morphology of larva and polytene chromosomes of Clunio marinus Haliday, 1855 (Diptera, Chironomidae, Orthocladiinae) from two localities of the Atlantic coast
FIGURE 7. A. Polytene chromosomes: I, II, III of Clunio marinus Holiday, lab. stock, Spain, Vigo. Heterozygous inversion in chromosome III. Arrows indicate the markers of the chromosomes I and III. NOR—Nucleolar Organizer; BR—Balbiani Ring. B. Heterozygous inversion in chromosome III. Scale bar, 10 µm.
FIGURE 20 in Markers in the polytene chromosomes of freshwater Chironomus Meigen (Diptera, Chironomidae) species
FIGURE 20 (AB). Polytene chromosomes of Chironomus parathummi. The numbers on the chromosome arms indicate the "basic"sequences. The large arrows show the localization of the centromere region. The small arrow on chromosome G indicates the marker sequences required for species identification. BR—Balbiani Ring, NOR—Nuclear Organizer Region. A, B, C, D, E, F, G—arms of the chromosomes. Scale bar, 10µm.
FIGURE 18 in Markers in the polytene chromosomes of freshwater Chironomus Meigen (Diptera, Chironomidae) species
FIGURE 18. Polytene chromosomes of Chironomus pseudothummi. The numbers on the chromosome arms indicate the "basic"sequences. The large arrows show the localization of the centromere region. The small arrow on chromosome G indicates the marker sequences required for species identification. BR—Balbiani Ring, NOR—Nuclear Organizer Region. A, B, C, D, E, F, G—arms of the chromosomes. Scale bar, 10µm.
FIGURE 15 in Markers in the polytene chromosomes of freshwater Chironomus Meigen (Diptera, Chironomidae) species
FIGURE 15. Polytene chromosomes of Chironomus aprilinus. The numbers on the chromosome arms indicate the "basic"sequences. The large arrows show the localization of the centromere region. The small arrow on chromosome G indicates the marker sequences required for species identification. BR—Balbiani Ring, NOR—Nuclear Organizer Region. A, B, C, D, E, F, G—arms of the chromosomes. Scale bar, 10µm.
FIGURE 17 in Markers in the polytene chromosomes of freshwater Chironomus Meigen (Diptera, Chironomidae) species
FIGURE 17. Polytene chromosomes of Chironomus luridus. The numbers on the chromosome arms indicate the "basic"sequences. The large arrows show the localization of the centromere region. The small arrow on chromosome G indicates the marker sequences required for species identification. BR—Balbiani Ring, NOR—Nuclear Organizer Region. A, B, C, D, E, F, G—arms of the chromosomes. Scale bar, 10µm.
FIGURE 14 in Markers in the polytene chromosomes of freshwater Chironomus Meigen (Diptera, Chironomidae) species
FIGURE 14. Polytene chromosomes of Chironomus acidophilus. The numbers on the chromosome arms indicate the "basic"sequences. The large arrows show the localization of the centromere region. The small arrow on chromosome G indicates the marker sequences required for species identification. BR—Balbiani Ring, NOR—Nuclear Organizer Region. A, B, C, D, E, F, G—arms of the chromosomes. Scale bar, 10µm.
FIGURE 13 in Markers in the polytene chromosomes of freshwater Chironomus Meigen (Diptera, Chironomidae) species
FIGURE 13. Polytene chromosomes of Chironomus acerbiphilus. The numbers on the chromosome arms indicate the "basic"sequences. The large arrows show the localization of the centromere region. The small arrow on chromosome G indicates the marker sequences required for species identification. BR—Balbiani Ring, NOR—Nuclear Organizer Region. A, B, C, D, E, F, G—arms of the chromosomes. Scale bar, 10µm.
FIGURE 16 in Markers in the polytene chromosomes of freshwater Chironomus Meigen (Diptera, Chironomidae) species
FIGURE 16. Polytene chromosomes of Chironomus dorsalis. The numbers on the chromosome arms indicate the "basic"sequences. The large arrows show the localization of the centromere region. The small arrow on chromosome G indicates the marker sequences required for species identification. BR—Balbiani Ring, NOR—Nuclear Organizer Region. A, B, C, D, E, F, G—arms of the chromosomes. Scale bar, 10µm.
FIGURE 12 in Markers in the polytene chromosomes of freshwater Chironomus Meigen (Diptera, Chironomidae) species
FIGURE 12. Polytene chromosomes of Chironomus riparius. The numbers on the chromosome arms indicate the "basic"sequences. The large arrows show the localization of the centromere region. The small arrow on chromosome G indicates the marker sequences required for species identification. BR—Balbiani Ring, NOR—Nuclear Organizer Region. A, B, C, D, E, F, G—arms of the chromosomes. Scale bar, 10µm.
FIGURE 11 in Markers in the polytene chromosomes of freshwater Chironomus Meigen (Diptera, Chironomidae) species
FIGURE 11. Polytene chromosomes of Chironomus plumosus. The numbers on the chromosome arms indicate the "basic"sequences. The large arrows show the localization of the centromere region. The small arrow on chromosome G indicates the marker sequences required for species identification. BR—Balbiani Ring, NOR—Nuclear Organizer Region. A, B, C, D, E, F, G—arms of the chromosomes. Scale bar, 10µm.
FIGURE 9 in Markers in the polytene chromosomes of freshwater Chironomus Meigen (Diptera, Chironomidae) species
FIGURE 9. Polytene chromosomes of Chironomus nuditarsis. The numbers on the chromosome arms indicate the "basic"sequences. The large arrows show the localization of the centromere region. The small arrow on chromosome G indicates the marker sequences required for species identification. BR—Balbiani Ring, NOR—Nuclear Organizer Region. A, B, C, D, E, F, G—arms of the chromosomes. Scale bar, 10µm.
FIGURE 7 in Markers in the polytene chromosomes of freshwater Chironomus Meigen (Diptera, Chironomidae) species
FIGURE 7. Polytene chromosomes of Chironomus entis. The numbers on the chromosome arms indicate the "basic"sequences. The large arrows show the localization of the centromere region. The small arrow on chromosome G indicates the marker sequences required for species identification. BR—Balbiani Ring, NOR—Nuclear Organizer Region. A, B, C, D, E, F, G—arms of the chromosomes. Scale bar, 10µm.
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