Reference

Milan Chvala [Chvála], Adrian C. Pont (2014): Revision of the European Empis (s. str.) alpicola-group of species (Diptera: Empididae), with a new synonymy of Rhamphomyia subgenus Aclonempis Collin with the subgenus Empis Linnaeus s. str. – Studia dipterologica – 21: 53 - 68.