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FIGURE 4 in Description of Chironomus quinnitukut, n. sp., closely related to the C. decorus group in North America, with characterization of an additional larval form from halobiontic habitats

FIGURE 4. Salivary gland chromosome complement of C. quinnitukqut: Centromeres marked by arrowheads. Limits of intraspecific inversions marked by brackets above the region involved, lines underneath indicate regions of homology to other species (see text for details). N—nucleolus, BR—Balbiani ring.

FIGURE 3 in Description of Chironomus quinnitukut, n. sp., closely related to the C. decorus group in North America, with characterization of an additional larval form from halobiontic habitats

FIGURE 3. Larval characters of C. quinnitukqut: a. pecten epipharyngis, b. premandible, c. antenna, d. mentum, e. ventromentum, f. mandible, g. developing pupal spur from a prepupal larva.

FIGURE 2 in Description of Chironomus quinnitukut, n. sp., closely related to the C. decorus group in North America, with characterization of an additional larval form from halobiontic habitats

FIGURE 2. Female genitalia of C. quinnitukqut: a. lateral view, b. ventral view, c. enlargement to show vagina and gonocoxite IX.

FIGURE 1 in Description of Chironomus quinnitukut, n. sp., closely related to the C. decorus group in North America, with characterization of an additional larval form from halobiontic habitats

FIGURE 1. Male genitalia of C. quinnitukqut: a. dorsal view, b. inferior volsellae, c. apodemes, d. phallapodeme and pars centralis - 1. Note the double "fulcrum" on the transverse sternapodeme, and 2. Ventral portal setae.

FIGURE 6 in Chironomus polonicus sp. n. (Diptera: Chironomidae) from southern Poland

FIGURE 6. Pupal exuviae structure of Chironomus polonicus sp. n. (a, c, e, g) and C. commutatus (b, d, f, h). a, b: scutal granulation around dorsocentral setae (anterior to right); c, d: frontal apotome and cephalic tubercles; e, f: spur of segment VIII; g, h: armament of tergite IV mid lateral. Bar = 0.1 mm.

FIGURE 5 in Chironomus polonicus sp. n. (Diptera: Chironomidae) from southern Poland

FIGURE 5. Localization of the centromere region detected by "C" banding method. a: chromosome AE; b: chromosome BF; c: chromosome CD; d: chromosome G. BR—Balbiani Ring, NOR—Nucleolar Organizer. The arrow indicates the position of the centromere. Bar =100 μm.

FIGURE 9 in Chironomus polonicus sp. n. (Diptera: Chironomidae) from southern Poland

FIGURE 9. Legs of C.polonicus sp. n. a: tibia of first leg without comb and spur; b: hind leg—tibial comb and spur. Bar = 50 μm.

FIGURE 8 in Chironomus polonicus sp. n. (Diptera: Chironomidae) from southern Poland

FIGURE 8. Male of C. polonicus sp. n. a: abdomen with marks on tergites; b: antenna; c: head; d: ocellus. Bar = 100 μm.

FIGURE 7 in Chironomus polonicus sp. n. (Diptera: Chironomidae) from southern Poland

FIGURE 7. Pupal exuviae of Chironomus polonicus sp. n. a: general view of andomen; b: segment II dorsal; c: segment IV dorsal (the same patch shape occurs on thergites III and V); d: segment VI dorsal; e: segment VII dorsal (setae D1 are broken, its place attachment D1 without points is shown); f: segment VIII dorsal with a spur, and anal segment. Bar = 100 μm.

FIGURE 3. Salivary gland chromosome arms B and F. a in Chironomus polonicus sp. n. (Diptera: Chironomidae) from southern Poland

FIGURE 3. Salivary gland chromosome arms B and F. a: chromosome BF of Chironomus polonicus sp. n. [band patterns of arm F can compare with the same arm of C. aprilinus (b)]; b: chromosome arm F of Chironoimus aprilinus Kieffer [according to Keyl (1962)]. The arrow indicates the localization of the centromere. Bar = 100 μm.

FIGURE 2. Salivary gland chromosome arms A and E. a in Chironomus polonicus sp. n. (Diptera: Chironomidae) from southern Poland

FIGURE 2. Salivary gland chromosome arms A and E. a: Chromosome arm A of Chironomus piger Strenzke (according to Keyl, 1962); b: Chromosome arm A of Chironomus pseudothummi Strenzke (according to Keyl, 1962); c: Chromosome AE of Chironomus polonicus sp. n. [band patterns of arm A can compare with the same arm of C. piger (a) and C. pseudothummi (b); band patterns of arm E can compare with the same arm of C. pseudothummi (d)]; d: Chromosome arm of Chironomus pseudothummi Strenzke [according to Keyl (1962)]. The arrow indicates the localization of the centromere. Bar = 100 μm.

FIGURE 1 in Chironomus polonicus sp. n. (Diptera: Chironomidae) from southern Poland

FIGURE 1. Larva morphology of Chironomus polonicus sp. n. a: mandible; b: mandible with distinct teeth 3, 4, 5, 6; c: submentum; d: premandible; e: antenna; f: ventromental plate of submentum. Bar = 100 μm

FIGURE 4. Salivary gland chromosome arms C, D and G. a in Chironomus polonicus sp. n. (Diptera: Chironomidae) from southern Poland

FIGURE 4. Salivary gland chromosome arms C, D and G. a: chromosome CD of C. polonicus sp. n; b: chromosome G of C. polonicus sp. n. BR—Balbiani Ring, NOR—Nucleolar organizer. The arrow indicates the position of the centromere. Bar = 100 μm.

FIGURES 23–25 in Redescription of larva, pupa and imago male of Chironomus (Chironomus) salinarius Kieffer from the saline rivers of the Lake Elton basin (Russia), its karyotype and ecology

FIGURES 23–25. Homozygotes in C. salinarius Kieffer karyotype: 23—salD1.1; 24—salE1.1; 25—salF1.1. The designations are the same as in Fig 19.

FIGURES 13–18 in Redescription of larva, pupa and imago male of Chironomus (Chironomus) salinarius Kieffer from the saline rivers of the Lake Elton basin (Russia), its karyotype and ecology

FIGURES 13–18. Larva of C. salinarius Kieffer. 13—antenna; 14—labro-epipharyngeal region; 15—mandible; 16—anterior margin of base maxilla; 17—median and 1–2 lateral teeth; 18—mentum and ventromental plate. Scale bar 100 µm.

FIGURES 20–22 in Redescription of larva, pupa and imago male of Chironomus (Chironomus) salinarius Kieffer from the saline rivers of the Lake Elton basin (Russia), its karyotype and ecology

FIGURES 20–22. Homozygotes in C. salinarius Kieffer karyotype: 20—salA1.1; 21—salB2.2; 22—salC1.1. Brackets above and below chromosome arms indicate the localization of inversions. Here and in all other figures numbers and small letters under chromosome arms correspond to banding sequences. The rest designations are the same as in Fig. 19.

FIGURES 30–33 in Redescription of larva, pupa and imago male of Chironomus (Chironomus) salinarius Kieffer from the saline rivers of the Lake Elton basin (Russia), its karyotype and ecology

FIGURES 30–33. Homozygotes and heterozygotes in arm G C. salinarius Kieffer: 30, 32—salG1.1; 31—salG2.2; 33—salG1.2. A black point and (BR) in Fig 30 designate a region from which extra BR is developed.

FIGURE 19 in Redescription of larva, pupa and imago male of Chironomus (Chironomus) salinarius Kieffer from the saline rivers of the Lake Elton basin (Russia), its karyotype and ecology

FIGURE 19. Karyotype of C. salinarius Keiffer. Karyotype: salA1.1, salB2.2, salC1.1 etc. note the symbols of genotypic combinations of banding sequences in chromosome arms; N—nucleolus, BR—Balbiani ring, p — puff. Arrows indicate centromeric band.

FIGURES 6–12 in Redescription of larva, pupa and imago male of Chironomus (Chironomus) salinarius Kieffer from the saline rivers of the Lake Elton basin (Russia), its karyotype and ecology

FIGURES 6–12. Pupa of C. salinarius Kieffer. 6—frontal apotome; 7—thorax; 8—median hooks in the posterior margin of tergite II, lateral view; 9—tergites I–VI; 10—tergites VII–IX; 11–12—variability of anal spurs. Scale bar 100 µm.

FIGURES 26–29 in Redescription of larva, pupa and imago male of Chironomus (Chironomus) salinarius Kieffer from the saline rivers of the Lake Elton basin (Russia), its karyotype and ecology

FIGURES 26–29. Heterozygotes in C. salinarius Kieffer karyotype: 26—salA1.2; 27—salA1.3; 28—salB2.3; 29—salE1.3. The designations are the same as in Fig 19.