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FIGURE 6 in Six unusual Cladotanytarsus Kieffer: towards a systematics of the genus and resurrection of Lenziella Kieffer (Diptera: Chironomidae: Tanytarsini)

FIGURE 6. Cladotanytarsus (Lenziella) crusculus (Saether, 1971), female. A: genitalia, B: gonapophysis VIII, labia and coxosternapodeme bridge (magnified).

FIGURE 1 in Six unusual Cladotanytarsus Kieffer: towards a systematics of the genus and resurrection of Lenziella Kieffer (Diptera: Chironomidae: Tanytarsini)

FIGURE 1. Lectotype male of Cladotanytarsus wexionensis Brundin, 1947, slide-mounted after the year 2000.

FIGURES 33–40. Tanytarsus larvae mandibles with accessory dorsal teeth. 33 in Exploring unknown life stages of Arctic Tanytarsini (Diptera: Chironomidae) with DNA barcoding

FIGURES 33–40. Tanytarsus larvae mandibles with accessory dorsal teeth. 33: T. lugens, 34: T. bathophilus, 35: T. mancospinosus, 36: T. minutipalpus, 37: T. gracilentus, 38: T. lapponicus, 39: T. recurvatus, 40: T. heliomesonyctios.

FIGURES 27–32. Tanytarsus heliomesonyctios. 28 in Exploring unknown life stages of Arctic Tanytarsini (Diptera: Chironomidae) with DNA barcoding

FIGURES 27–32. Tanytarsus heliomesonyctios. 28: premandible, 29–30: mentum, 31: mouthparts ventral view, 32: mandible.

FIGURES 2–16 in Exploring unknown life stages of Arctic Tanytarsini (Diptera: Chironomidae) with DNA barcoding

FIGURES 2–16. Tanytarsini of Svalbard, association of adult male hypopygia with larval head capsules and posterior parapods. Columns from left to right: Tanytarsus heliomesonyctios (2, 7, 12), Paratanytarsus austriacus (3, 8, 13), Micropsectra radialis (2, 9, 14), Micropsectra insignilobus (5, 10, 15) and Micropsectra logani (6, 11, 16). Scale bar for hypopygia = 300 µm, for head capsules and parapods = 100 µm.

FIGURE 1 in Exploring unknown life stages of Arctic Tanytarsini (Diptera: Chironomidae) with DNA barcoding

FIGURE 1. Neighbour joining ID-tree based on partial COI-sequences (DNA barcodes) and the Kimura 2-parameter substitution model. Values above branches are bootstrap support. DNA barcodes enabled association of different life stages.

FIGURES 17–26. Larvae. 17–21 in Exploring unknown life stages of Arctic Tanytarsini (Diptera: Chironomidae) with DNA barcoding

FIGURES 17–26. Larvae. 17–21: Micropsectra insignilobus. 17: spur of antennal pedestal, 18: antenna, 19: pecten epipharyngis, 20: mentum, 21: mandible. 22–26: Micropsectra radialis. 22: antennal pedestal, 23–24: premandible, 25: mentum, 26: mandible.

FIGURE 1 in A contribution to the systematics of Neotropical Tanytarsus van der Wulp: first descriptions from Ecuador (Diptera: Chironomidae: Tanytarsini)

FIGURE 1. Tanytarsus cayambe sp. nov., adult male. A—wing, B—hypopygium, C—anal point (variability), D—median volsella (magnified x 2 relative to hypopygium).

FIGURE 2 in A contribution to the systematics of Neotropical Tanytarsus van der Wulp: first descriptions from Ecuador (Diptera: Chironomidae: Tanytarsini)

FIGURE 2. Tanytarsus cotopaxi sp. nov., adult male. A—wing, B—hypopygium, C—median volsella (magnified x 2 relative to hypopygium).

FIGURE 3 in A contribution to the systematics of Neotropical Tanytarsus van der Wulp: first descriptions from Ecuador (Diptera: Chironomidae: Tanytarsini)

FIGURE 3. Tanytarsus curvicristatus Contreras-Lichtenberg, 1988, adult male. A—wing, B—hypopygial anal point, C—superior volsellae, D—median volsellae. AC—anal crests, Ba—anal point bar.

FIGURE 3 in Diagnostic clues for identification of selected species of the Micropsectra atrofasciata group, with description of M. uva sp. nov. from Croatia (Diptera: Chironomidae: Tanytarsini)

FIGURE 3. Hypopygial median and inferior volsellae (ventral view) - diagnostic structures in male of Micropsectra uva sp. nov. (D) and three close species of the Micropsectra atrofasciata group: M. pallidula (Meigen) (A), M. schrankelae Stur et Ekrem (B), M. sofiae Stur et Ekrem (C).

FIGURE 1 in Diagnostic clues for identification of selected species of the Micropsectra atrofasciata group, with description of M. uva sp. nov. from Croatia (Diptera: Chironomidae: Tanytarsini)

FIGURE 1. Micropsectra uva sp. nov., male. Wing, showing slight variation (photographed using the Nomarski DIC).

FIGURE 4 in A contribution to the systematics of Australasian Tanytarsini (Diptera: Chironomidae): first descriptions from New Caledonia

FIGURE 4. Wing of male: Cladotanytarsus (C.) stylifer sp. nov. (A), Paratanytarsus mirificus sp. nov. (B), Tanytarsus fuscithorax Skuse, 1889 (C).

FIGURE 1 in A contribution to the systematics of Australasian Tanytarsini (Diptera: Chironomidae): first descriptions from New Caledonia

FIGURE 1. Cladotanytarsus (C.) stylifer sp. nov., male. A—hypopygium, B—anal point, C—median volsella, D—inferior volsella and stem of median volsella (B–D—magnified c. 2 times relative to A).

FIGURE 3. Tanytarsus fuscithorax Skuse, 1889, male. A in A contribution to the systematics of Australasian Tanytarsini (Diptera: Chironomidae): first descriptions from New Caledonia

FIGURE 3. Tanytarsus fuscithorax Skuse, 1889, male. A—hypopygial anal point, B—superior volsellae, C—median volsellae.

FIGURE 8 in The Tanytarsini (Diptera: Chironomidae) in the collection of the Museum of Amber Inclusions, University of Gdańsk

FIGURE 8. Tanytarsus protogregarius sp. nov., adult male, holotype MAI-4325a (A–D), paratype MAI–4352 (E, F) (Eocene, ~45–40 Ma; Baltic amber, Gulf of Gdańsk). Hypopygium in dorsal (A, C) and ventral aspect (B); photographed in reflected light (A, B), and drawn (C); D—superior volsella; E, F—median volsella photographed in transmitted light (E) and drawn (F) (D—magnified c. 2 times and F—c. 5 times relative to hypopygium drawn).

FIGURE 6 in The Tanytarsini (Diptera: Chironomidae) in the collection of the Museum of Amber Inclusions, University of Gdańsk

FIGURE 6. Tanytarsus glaesarius sp. nov., adult male, holotype MAI-415a (Eocene, ~45–40 Ma; Baltic amber, Gulf of Gdańsk). A–C—hypopygium, ventral aspect, photographed in transmitted light (A), reflected light (B), and drawn (C); D— superior volsella and digitus, E—median volsella; (D, E—magnified c. 3 times relative to hypopygium drawn).

FIGURE 7 in The Tanytarsini (Diptera: Chironomidae) in the collection of the Museum of Amber Inclusions, University of Gdańsk

FIGURE 7. Tanytarsus protogregarius sp. nov., adult male, holotype MAI-4325a (A, C–G), paratypes MAI-4352 (B) (Eocene, ~45–40 Ma; Baltic amber, Gulf of Gdańsk). A, B—inclusions; C—habitus; D—head; E—antenna (arrows: borders between flagellomeres); F, G—wing photographed in reflected (F) and transmitted light (G).

FIGURE 5 in The Tanytarsini (Diptera: Chironomidae) in the collection of the Museum of Amber Inclusions, University of Gdańsk

FIGURE 5. Tanytarsus glaesarius sp. nov., adult male, holotype MAI-415a (Eocene, ~45–40 Ma; Baltic amber, Gulf of Gdańsk). A—inclusion; B—habitus; C—head; D—frontal tubercles, E—antenna photographed in reflected light (white arrows: borders between well discernible flagellomeres; grey arrow: incomplete fusion; black arrows: complete fusion); F— wing photographed in transmitted light.

FIGURE 4 in The Tanytarsini (Diptera: Chironomidae) in the collection of the Museum of Amber Inclusions, University of Gdańsk

FIGURE 4. Stempellinella electra sp. nov., adult male, holotype MAI-4295a (Eocene, ~45–40 Ma; Baltic amber, Gulf of Gdańsk). A–C—hypopygium, dorsal aspect, photographed in transmitted light (A), reflected light (B), and drawn (C); D— median volsella (magnified c. 2 times relative to hypopygium drawn).