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13,017 results for “Positionning”
FIGURES 532–540 in Systematic position of Thraulodes Ulmer 1920 (Ephemeroptera: Leptophlebiidae) and descriptions of new and little-known species
FIGURES 532–540. Thraulodes nigrotibialis sp. n. 532, larval protogonostyli and protopenis; 533, subimaginal exuviae of genitalia; 534, genitalia of male imago in ventral view; 535, apex of penis on dorsal view; 536, hind wing; 537–540, tergalii I, III, VI and VII (532–536, holotype).
FIGURES 439–447 in Systematic position of Thraulodes Ulmer 1920 (Ephemeroptera: Leptophlebiidae) and descriptions of new and little-known species
FIGURES 439–447. Thraulodes niger sp. n. 439, apex of penis in dorsal view; 440, genitalia of male imago in ventral view; 441, their subimaginal exuviae; 442, larval protogonostyli and protopenis; 443, hind wing; 444–447, tergalii I, III, VI and VII.
FIGURES 350–360 in Systematic position of Thraulodes Ulmer 1920 (Ephemeroptera: Leptophlebiidae) and descriptions of new and little-known species
FIGURES 350–360. Thraulodes flavus sp. n. 350–356, larval exuviae at the same magnification: 350, abdominal terga; 351– 353, parts of head with labrum and mandibles; 354, left half of pronotum and mesonotum; 355–356, fore and hind legs; 357, hind tibia with focus on outer-posterior row of stout setae; 358, the same with focus on outer-anterior and inner-anterior rows of stout setae; 359, anterior side of fore femur; 360, anterior side of fore tibia (350–356, 359–360, holotype).
FIGURES 337–345. Thraulodes zonalis. 337 in Systematic position of Thraulodes Ulmer 1920 (Ephemeroptera: Leptophlebiidae) and descriptions of new and little-known species
FIGURES 337–345. Thraulodes zonalis. 337, left half of subimaginal exuviae of mesonotum; 338, female imago with its subimaginal exuviae; 339–341, fore, middle and hind legs of female imago; 342, hind wing; 343, abdominal terga and sterna of male subimago extracted from larva (sterna VIII–IX with larval cuticle); 344–345, anterior-proximal part of fore wing.
FIGURES 613–625 in Systematic position of Thraulodes Ulmer 1920 (Ephemeroptera: Leptophlebiidae) and descriptions of new and little-known species
FIGURES 613–625. Thraulodes sp. «Palo Seco», larva. 613, clypeus and labrum; 614–615, left and right mandibles; 616–617, larvae with brown cuticular coloration and blackish hypodermal markings; 618, fragment of fore protopteron with venation of pterostigma; 619, hind protopteron; 620, fore protopteron; 621, fore tibia with dark brown hypodermal marking; 622, anterior side of fore tibia; 623, hind tibia with focus on outer-posterior row of stout setae; 624, the same with focus on outer-anterior and inner-anterior rows of stout setae; 625, anterior side of hind femur.
FIGURES 317–336. Thraulodes zonalis. 317–331 in Systematic position of Thraulodes Ulmer 1920 (Ephemeroptera: Leptophlebiidae) and descriptions of new and little-known species
FIGURES 317–336. Thraulodes zonalis. 317–331, larval exuviae at the same magnification; 332, young larva with light cuticle and well visible blackish hypodermal markings; 333, anterior side of hind femur; 334, anterior side of fore tibia; 335, hind tibia with focus on outer-posterior row of stout setae; 336, the same with focus on outer-anterior and inner-anterior rows of stout setae.
FIGURES 450–463 in Systematic position of Thraulodes Ulmer 1920 (Ephemeroptera: Leptophlebiidae) and descriptions of new and little-known species
FIGURES 450–463. Larvae, presumably attributed to Thraulodes nigrabdominalis sp. n. 450–455, parts of last instar larva at the same magnification: 450, fragment of head with labrum and mandibles; 451, pronotum and mesonotum; 452, hind leg; 453, abdominal terga; 454–455, tergalii IV–V; 456–458, exuviae of young larva at the same magnification: 456–457, fore and hind legs; 458, abdominal terga and sterna; 459, young larva with brown cuticular coloration and blackish hypodermal coloration; 460, larval protogonostyli and protopenis; 461, anterior side of hind femur; 462, hind tibia with focus on outer-posterior row of stout setae; 463, the same with focus on outer-anterior and inner-anterior rows of stout setae.
FIGURES 276–296 in Systematic position of Thraulodes Ulmer 1920 (Ephemeroptera: Leptophlebiidae) and descriptions of new and little-known species
FIGURES 276–296. Thraulodes fascipennis sp. n. 276–283, larval exuviae at the same magnification; 284–290, tergalii I–VII; 291, ventral lamella of tergalius IV; 292, young larva with light cuticle and well visible blackish hypodermal markings; 293, anterior side of hind femur; 294, anterior side of fore tibia; 295, hind tibia with focus on outer-posterior row of stout setae; 296, the same with focus on outer-anterior and inner-anterior rows of stout setae (276–283, 293–296, holotype).
FIGURES 563–568 in Systematic position of Thraulodes Ulmer 1920 (Ephemeroptera: Leptophlebiidae) and descriptions of new and little-known species
FIGURES 563–568. Thraulodes alboniger sp. n. 563, labrum; 564–565 and 566–567, male imaginal genitalia of two different specimens; 568, fragment of imaginal caudalius (563, 566–568, holotype). Abbreviations: anter.r., anterior transverse setal row; poster.r., posterior transverse setal row; other arrow show six sensilla separating five denticles.
FIGURES 479–490 in Systematic position of Thraulodes Ulmer 1920 (Ephemeroptera: Leptophlebiidae) and descriptions of new and little-known species
FIGURES 479–490. Thraulodes nigripes sp. n. 479–483 and 484–486, larval exuviae of two specimens at the same magnification: 479, abdominal terga; 480, left half of pronotum and mesonotum; 481 and 484–486, parts of head with labrum and mandibles; 482–483, fore and hind legs; 487, anterior side of hind femur; 488, anterior side of fore tibia; 489, hind tibia with focus on outer-posterior row of stout setae; 490, the same with focus on outer-anterior and inner-anterior rows of stout setae (484–486, holotype).
FIGURES 578–588 in Systematic position of Thraulodes Ulmer 1920 (Ephemeroptera: Leptophlebiidae) and descriptions of new and little-known species
FIGURES 578–588. Thraulodes alboniger sp. n. 578, hind wing; 579, genitalia of male imago in ventral view; 580, dorsal margin of styliger and penis of another specimen; 581, subimaginal exuviae of genitalia; 582, penis in lateral view; 583, posterior margin of IX sternum of female larva; 584, the same of male larva with protogonostyli and protopenis; 585–588, tergalii I, III, VI and VII (578, 580–581, 584–588, holotype).
FIGURES 522–531 in Systematic position of Thraulodes Ulmer 1920 (Ephemeroptera: Leptophlebiidae) and descriptions of new and little-known species
FIGURES 522–531. Thraulodes nigrotibialis sp. n. 522, right half of subimaginal exuviae of mesonotum; 523, head and thorax of male imago in lateral view; 524–525, female imago in dorsal and lateral view; 526–527, fore and middle leg of male imago; 528, abdominal terga and sterna of male imago; 529–530, genitalia of male imago with focus on styliger and on penis; 531, genitalia of male subimago extracted from larva (522–523, 526–530, holotype).
FIGURES 250–259. Thraulodes quevedoensis. 250–255 in Systematic position of Thraulodes Ulmer 1920 (Ephemeroptera: Leptophlebiidae) and descriptions of new and little-known species
FIGURES 250–259. Thraulodes quevedoensis. 250–255, larval exuviae at the same magnification: 250–251, parts of head with labrum and mandibles; 252, right half of pronotum and mesonotum; 253–254, fore and hind legs; 255, abdominal terga; 256, anterior side of hind femur; 257, anterior side of fore tibia; 258, hind tibia with focus on outer-posterior row of stout setae; 259, the same with focus on outer-anterior and inner-anterior rows of stout setae.
FIGURES 208–231. Thraulodes marreroi. 208 in Systematic position of Thraulodes Ulmer 1920 (Ephemeroptera: Leptophlebiidae) and descriptions of new and little-known species
FIGURES 208–231. Thraulodes marreroi. 208, margin of labrum with focus on posterior transverse setal row; 209, the same with focus on anterior transverse setal row (represented by field of irregularly situated setae) (arrows show four sensilla separating three denticles). 210–215 and 216–219, larval exuviae of two different specimens at the same magnification; 220–226, tergalii I–VII; 227, immature larva (with ocher and whitish cuticular coloration and blackish paired hypodermal markings on abdomen); 228, anterior side of hind femur; 229, anterior side of fore tibia; 230, hind tibia with focus on outer-posterior row of stout setae; 231, the same with focus on outer-anterior and inner-anterior rows of stout setae.
FIGURES 240–245. Thraulodes marreroi. 240 in Systematic position of Thraulodes Ulmer 1920 (Ephemeroptera: Leptophlebiidae) and descriptions of new and little-known species
FIGURES 240–245. Thraulodes marreroi. 240, genitalia of male imago in lateral view; 241, apex of penis in dorsal view; 242, genitalia in ventral view; 243, sibimaginal exuviae of styliger, gonostyli and telopenes; 244, larval protogonostyli and protopenis; 245, hind wing.
FIGURES 190–197. Thraulodes schlingeri, labrum. 190–193 in Systematic position of Thraulodes Ulmer 1920 (Ephemeroptera: Leptophlebiidae) and descriptions of new and little-known species
FIGURES 190–197. Thraulodes schlingeri, labrum. 190–193, labrum on slide: 190, total view; 191, anterior margin with focus on posterior transverse setal row; 192–193, with focus on ventral side, median emargination and anterior setal row (represented by field of irregularly situated setae); 194–197, labrum of another specimen in anterior view: 194, total view; 195, median part with focus on anterior and posterior setal rows; 196, the same with focus on median emargination; 197, the same enlarged (arrows show six sensilla separating five denticles). Abbreviations: anter.r, anterior transverse row of setae (actually field of setae); poster.r, posterior transverse row of setae.
FIGURES 86–93. Thraulodes telegraphicus. 86 in Systematic position of Thraulodes Ulmer 1920 (Ephemeroptera: Leptophlebiidae) and descriptions of new and little-known species
FIGURES 86–93. Thraulodes telegraphicus. 86, median longitudinal section of labrum in usual condition; 87, the same, in spread condition; 88, labrum in spread condition in dorsal view (setal rows shown as dotted lines); 89, transverse section of hind tibia; 90–93, tergalii I, III, VI and VII. Abbreviations: anter.r, anterior transverse row of setae; dent., five denticles separated by six sensilla; poster.r, posterior transverse row of setae; i.f, inner field of stout pointed setae; i-a.h, inner-anterior recurved hairs; i-a.r, inner-anterior row of stout setae; o-a.r, outer-anterior row of stout setae; o.h, outer hairs; o-p.r, outer-posterior row of stout setae; p.r, row of posterior pointed pectinate setae.
FIGURES 106–111. Thraulodes telegraphicus. 106 in Systematic position of Thraulodes Ulmer 1920 (Ephemeroptera: Leptophlebiidae) and descriptions of new and little-known species
FIGURES 106–111. Thraulodes telegraphicus. 106, protogonostyli of last instar larva (hypoderm of gonostyli and styliger and hidden cuticle of protopenis shown by interrupted lines); 107, enlarged cuticle of protopenis and hypoderm of developing penis inside; 108–109, the same, at later stage of development; 110–111, genital of male imago (110, styliger ventrally; 111, penis dorsally at left and ventrally at right). Abbreviation: bl, basal lobe; dp, dorsal projection of styliger; gd, gonoduct; m.gs, gonostylar muscle; m.med, median penial muscle; m.s, styligeral muscle; m-v.r, medio-ventral ridge (recurved flap); sp, seminal pump; tp, spear-like roll (telopenis).
FIGURES 60–63. Thraulodes sinuosus. 60 in Systematic position of Thraulodes Ulmer 1920 (Ephemeroptera: Leptophlebiidae) and descriptions of new and little-known species
FIGURES 60–63. Thraulodes sinuosus. 60, genitalia of male imago in ventral view; 61, their subimaginal exuviae at the same magnification; 62, larval exuviae of protogonostyli and protopenis at the same magnification; 63, hind wing.
FIGURES 21–24 in Systematic position of Thraulodes Ulmer 1920 (Ephemeroptera: Leptophlebiidae) and descriptions of new and little-known species
FIGURES 21–24. Thraulodes ludmilae sp. n., exuviae of tibiae of holotype (at the same magnification): 21, anterior side of fore leg; 22, anterior side of middle leg; 23, posterior side of hind leg; 24, anterior side of hind leg.
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