Trachypteryx electrica sp. nov. is described from West Kazakhstan. The new species significantly differs from other species of the genus Trachypteryx Ragonot, 1893 in the female genitalia: the ductus bursae is strongly reduced and the diverticulum is absent. Two species of the subgenus Bazaria Ragonot, 1887 of the genus Gymnancyla Zeller, 1848, G. turanica sp. nov. and G. latialata sp. nov., are described from the Kyzylorda Province of Kazakhstan. Christophia constricta sp. nov. is described from the same locality. The male and female genitalia are illustrated for all species described.