Echinonyssus umbonatus Tenorio & Radovsky 1979

Tenorio & Radovsky 1979. Review of the subfamily Hirstionyssinae, synonymy of Echinonyssus Hirst and Hirstionyssus Fonseca, and descriptions of four new species of Echinonyssus (Acari Laelapidae). Journal of Medical Entomology, 16(5) 1979: 370-412