New species of Discolomidae (Coleoptera) from the Himalayas (Pakistan: Swat and Hazara; India: Uttar Pradesh, Darjeeling, Assam; Nepal) are described:Parmachema loeblin. sp.,Aphanocephalus assamemisn. sp.,Aphanocephalus besuchetin. sp.,Aphanocephalus ganganicusn. sp.,Aphanocephalus himalayanusn. sp. InAphanocephalusWollaston 1873 diagnostic characters for specific identification are found only in the male aedoeagus: the external features of different species from the same locality can be identical. InAphanocephalus himalayanusn. sp. a sexually dimorphic head is described for the first time in this family. New collecting sites forParafallia johniGeisthardt 1975 are reported and its aedoeagus is illustrated. All the Himalayan records are summarized in maps. Some additional remarks on the zoogeography, the microstructures of the cuticula and aedoeagi, the vertical distribution and biology are given.