mystax

The Amazon River is a barrier to a number of animals such as the tamarins Saguinus nigricollis, which occur on the north side, and Saguinus mystax, which occurs on the southwest side of the Amazon-Ucayali system.

Southwest Amazon moist forests 2008

It contains monk saki Pithecia albicans, endemic bearded emperor tamarin Saguinus imperator, mustached tamarin S. mystax, night monkey Aotus nancymaae, titi monkey Callicebus dubius, all of which have narrow distribution.

Central Amazonian Conservation Complex, Brazil 2008

_ Head slightly gilded; mystax with a few black bristles and many gilded bristles; beard testaceous-whitish; sides of the abdomen and hind borders of the segments lutescent.

Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology Various

Head brightly gilded, hind part silvery, underside with white hairs; mystax with six long black bristles; pectus with silvery tomentum; abdomen greenish blue, with spots of silvery tomentum along each side; hind borders of the ventral segments white; wings slightly grey, blackish for full half the length from the tips and along full three-fourths of the length of the hind border, veins black; halteres ferruginous, with black tips.

Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology Various

Head brightly gilded, hind part silvery; mystax with six long black bristles; third joint of the antennæ elongate-fusiform; pectus with silvery tomentum; abdomen green in the male, purplish-blue in the female, with silvery spots along each side, underside with two silvery stripes; wings blackish, grey at the base and along the costa for more than one-third of the length, veins and halteres black.

Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology Various

_ Head and pectus with white tomentum and hairs; mystax with a few black bristles; mouth and antennæ black; third joint of the latter linear, conical at the tip, longer than the first and the second together; thorax with cupreous-gilded tomentum; abdomen purple, green at the base, blue and with a row of white dots along each side; legs blue; wings brown, cinereous towards the base, veins black; halteres testaceous.

Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology Various

Head with whitish slightly silvery tomentum; mystax with very few bristles; antennæ black, third joint long, linear, conical at the tip; thorax with a very indistinct darker stripe; abdomen black towards the tip; wings blackish, limpid towards the base; veins black, testaceous at the base; halteres whitish.

Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology Various

Head white, face brilliant silvery; mystax with four bristles; mouth black, short, slender; eyes flat in front; antennæ black, almost as long as the breadth of the head; third joint long, slender, lanceolate; thorax deep black; scutellum reddish tawny; hind tibiæ black, with tawny tips; wings greyish, veins black; discal veinlet and third externo-medial vein forming one straight line, as in the genus

Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology Various

Head gilded; mystax with a few black and several gilded bristles; sutures of the thorax, scutellum, sides, pectus, hind borders of the abdominal segments, and underside hoary; tibiæ tawny, with black tips; wings cinereous, blackish along the costa and towards the tips, veins black; halteres ferruginous.

Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology Various

Head silvery in front; mystax with a few black and

Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology Various